FM 4-20.137 RIGGING FORWARD AREA REFUELING EQUIPMENT (FARE) AND ADVANCED AVIATION FORWARD AREA REFUELING SYSTEM (AAFARS, JUNE 2003) - page 6

 

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FM 4-20.137 RIGGING FORWARD AREA REFUELING EQUIPMENT (FARE) AND ADVANCED AVIATION FORWARD AREA REFUELING SYSTEM (AAFARS, JUNE 2003) - page 6

 

 

FM 4-20.137/TO 13C7-1-19
CLEVISES 34A THROUGH 1A
REAR
FRONT
CLEVISES 34 THROUGH 1
Steps:
1. Inspect, or assemble and inspect, the platform as outlined in TM 10-1670-268-
20&P/TO 13C7-52-22.
2. Install a tandem link on the front of each platform side rail using holes 1, 2, and 3.
3. Install a suspension bracket to each platform side rail using holes 6, 7, and 8.
4. Install a suspension bracket to each platform side rail using holes 26, 27, and 28.
5. Install a suspension bracket to each platform side rail using holes 37, 38, and 39.
6. Install a suspension bracket to each platform side rail using holes 57, 58, and 59.
7. Install a tie-down clevis to bushing 4 on each front tandem link.
8. Install a tie-down clevis to bushings 1 and 3 on each of the first suspension brackets.
9. Install a tie-down clevis to bushing 2 of each of the third suspension brackets.
10. Install a tie-down clevis to bushing 2 (doubled) of each of the fourth suspension
brackets.
11. Starting at the front of each platform side rail, install a tie-down clevis to the
bushings bolted to holes 9, 10, 15, 16, 18, 22, 23, 24, 25, 30, 31, 33, 34, 35, 41,
42, 46, 47, 50, 53, 54 (doubled), 60 (tripled), 61, 62, 63, and 64 (doubled).
12. Starting at the front of the platform, number the clevises bolted to the right side
from 1 through 34 and those bolted to the left side from 1A through 34A.
Figure 3-43. Platform Prepared
3-60
FM 4-20.137/TO 13C7-1-19
PREPARING HONEYCOMB
3-49. Build honeycomb stacks as shown in Figure 3-44.
STACKS 2 THROUGH 10
96” X 36”
HONEYCOMB
STACKS 11 and 12
60” x 30”
HONEYCOMB
STAC K
PIECE S
WIDTH
LENGTH
MATERIA L
INSTRUCTIONS
NUMBE R
(INCHES )
(INCHES )
1
Prepare honeycomb stack 1
as
shown in Figure 3-2.
2-10
2
96
36
Honeycom b
Glue layers together.
11-12
10
60
30
Honeycom b
Glue layers together.
Figure 3-44. Honeycomb Stacks Prepared
3-61
FM 4-20.137/TO 13C7-1-19
POSITIONING HONEYCOMB STACKS
3-50. Position honeycomb stacks as shown in Figure 3-45.
STACK 12
STACK 11
STACK 1
REAR
FRONT
STACKS 10 THROUGH 2
1
Position stack 1 on the front edge of the platform and centered.
2
Position stacks 2 through 10 flush on the rear edge of stack 1 and flush with each
other.
3
Position stack 11 on top of stack 4 centered left to right and ensure the 30 inch length is
aligned with the side rails (do not glue).
4
Position stack 12 on top of stacks 6 and 7 centered left to right and ensure the 30 inch
length is aligned with the side rails (do not glue).
NOTE: Stacks 11 and 12 may need to be adjusted to allow for placement of the drums.
Figure 3-45. Honeycomb Stacks Positioned
3-62
FM 4-20.137/TO 13C7-1-19
BUILDING EQUIPMENT HOSE BOX
3-51. Build the equipment box as shown in Figure 3-5.
POSITIONING EQUIPMENT HOSE BOX
3-52. Position the equipment hose box as shown in Figure 3-6.
STORING EQUIPMENT IN THE EQUIPMENT HOSE BOX
3-53. Store the equipment in the equipment hose box as shown in Figure 3-7.
LASHING EQUIPMENT HOSE BOX TO PLATFORM
3-54. Lash the equipment hose box to the platform as shown in Figures 3-46
and 3-47.
2
33A
1
29
33
Figure 3-46. Lashings 1 and 2 Installed
3-63
FM 4-20.137/TO 13C7-1-19
3
4
27A
34
27
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
3
27 and 27A
Route a 30-foot lashing from clevis 27 to the rear top cutouts
to clevis 27A. Load bind to both clevises.
4
34 and 34A
Route a lashing through it's own D-ring on clevis 34 to the top
front cutouts to clevis 34A
Figure 3-47. Lashings 3 and 4 Installed
3-64
FM 4-20.137/TO 13C7-1-19
PREPARING AND POSITIONING FUEL SEPARATOR
3-55. Prepare and position the fuel separator as shown in Figure 3-10.
LASHING FUEL SEPARATOR TO PLATFORM
3-56. Lash fuel separator to the platform as shown in Figure 3-48.
6
5
28
23
Tie-dow n
Lashing
Clevis
Instructions
Number
Number
5
28
Route a lashing from clevis 28 around the
f
cross member.
6
28A
Route a lashing from clevis 28A around the
f
cross member.
7
23
Route a lashing from clevis 23 around
t
cross member.
8
23A
Route a lashing from clevis 23A around
t
cross member.
Figure 3-48. Lashings 5 through 8 Installed
3-65
FM 4-20.137/TO 13C7-1-19
POSITIONING AND LASHING THE DRUMS
3-57. Position and lash the drums to the platform as shown in Figures 3-49
through 3-55.
STACK 12
STACK 11
MIDDLE
DRUM
11
15
13
9
Steps:
20
19
10
9
1. Place a platform clevis on one end of two 9-foot (2-loop), type XXVI nylon webbing slings.
Attach the slings to each side of the drum (for lifting purpose only) and remove after the
drum is positioned (not shown).
2. Position the middle drum centered between stacks 11 and 12, and left to right on the
platform. Stacks 11 and 12 may need to be moved during placement.
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
9
10
Route a lashing from clevis 10 to the right front shackle of the
drum
10
10A
Route a lashing from clevis 10A to the left front shackle of the
drum
11
9
Route a lashing from clevis 9 to the right front shackle of the
drum
12
9A
Route a lashing from clevis 9A to the left front shackle of the
drum
13
19
Route a lashing from clevis 19 to the right rear shackle of the
drum
14
19A
Route a lashing from clevis 19A to the left rear shackle of the
drum
15
20
Route a lashing from clevis 20 to the right rear shackle of the
drum
16
20A
Route a lashing from clevis 19A to the left rear shackle of the
drum
Figure 3-49. Lashings 9 Through 16 Installed
3-66
FM 4-20.137/TO 13C7-1-19
REAR
STACK 12
DRUM
19
23
21
17
18
17
25
24
Steps:
1. Place a platform clevis on one end of two 9-foot (2-loop), type XXVI nylon webbing slings.
Attach the slings to each side of the drum, for lifting purpose only, and remove after the
drum is positioned (not shown).
2. Position the rear drum to the rear of stack 12 centered, and left to right on the platform.
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
17
18
Route a lashing from clevis
18 to the right front shackle of the
drum
18
18A
Route a lashing from clevis
18A to the left front shackle of the
drum
19
17
Route a lashing from clevis
17 to the right front shackle of the
drum
20
17A
Route a lashing from clevis
17A to the left front shackle of the
drum
21
24
Route a lashing from clevis
24 to the right rear shackle of the
drum
22
24A
Route a lashing from clevis
24A to the left rear shackle of the
drum
23
25
Route a lashing from clevis
25 to the right rear shackle of the
drum
24
25A
Route a lashing from clevis
25A to the left rear shackle of the
drum
Figure 3-49. Lashings 17 Through 24 Installed
3-67
FM 4-20.137/TO 13C7-1-19
STACK 11
STACK 1
FRONT
DRUM
31
27
29
25
12
11
5
4
Steps:
1. Place a platform clevis on one end of two 9-foot (2-loop), type XXVI nylon webbing slings.
Attach the slings to each side of the drum (for lifting purpose only) and remove after the
drum is positioned (not shown).
2. Position the front drum between stacks 1 and 11 and centered from left to right on the
platform. Stacks 11 and 12 may need to be moved during placement.
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
25
5
Route a lashing from clevis
5 to the right front shackle of the
drum
26
5A
Route a lashing from clevis
5A to the left front shackle of the
drum
27
4
Route a lashing from clevis
4 to the right front shackle of the
drum
28
4A
Route a lashing from clevis
4A to the left front shackle of the
drum
29
11
Route a lashing from clevis
11 to the right rear shackle of the
drum
30
11A
Route a lashing from clevis
11A to the left rear shackle of the
drum
31
12
Route a lashing from clevis
12 to the right rear shackle of the
drum
32
12A
Route a lashing from clevis
12A to the left rear shackle of the
drum
Figure 3-51. Lashings 25 Through 32 Installed
3-68
FM 4-20.137/TO 13C7-1-19
REAR
MIDDLE
FRONT
DRUM
DRUM
DRUM
35
33
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
33
Route a lashing from the right front shackle of the middle
drum to the right rear shackle of the front drum
34
Route a lashing from the left front shackle of the middle
drum to the left rear shackle of the front drum
35
Route a lashing from the right rear shackle of the middle
drum to the right front shackle of the rear drum
36
Route a lashing from the left rear shackle of the middle
drum to the left front shackle of the rear drum
Figure 3-52. Lashings 33 Through 36 Installed
3-69
FM 4-20.137/TO 13C7-1-19
REAR
TOP REAR
MIDDLE
DRUM
DRUM
DRUM
39
43
41
37
22
21
14
13
Steps:
1. Place a platform clevis on one end of two 9-foot (2-loop), type XXVI nylon webbing slings.
Attach the slings to each side of the drum (for lifting purpose only) and remove after the
drum is positioned (not shown).
2. Position the top rear drum on stack 12 and centered from left to right on the platform.
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
37
14
Route a lashing from clevis
14 to the right front shackle of the
drum
38
14A
Route a lashing from clevis
14A to the left front shackle of the
drum
39
13
Route a lashing from clevis
13 to the right front shackle of the
drum
40
13A
Route a lashing from clevis
13A to the left front shackle of the
drum
41
21
Route a lashing from clevis
21 to the right rear shackle of the
drum
42
21A
Route a lashing from clevis
21A to the left rear shackle of the
drum
43
22
Route a lashing from clevis
22 to the right rear shackle of the
drum
44
22A
Route a lashing from clevis
22A to the left rear shackle of the
drum
Figure 3-53. Lashings 37 Through 44 Installed
3-70
FM 4-20.137/TO 13C7-1-19
MIDDLE
FRONT
TOP FRONT
DRUM
DRUM
DRUM
51
47
49
45
16
15
7
6
Steps:
1. Place a platform clevis on one end of two 9-foot (2-loop), type XXVI nylon webbing slings.
Attach the slings to each side of the drum (for lifting purpose only) and remove after the
drum is positioned (not shown).
2. Position the top front drum on stack 11 and centered from left to right on the platform.
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
45
7
Route a lashing from clevis
7 to the right front shackle of the
drum
46
7A
Route a lashing from clevis
7A to the left front shackle of the
drum
47
6
Route a lashing from clevis
6 to the right front shackle of the
drum
48
6A
Route a lashing from clevis
6A to the left front shackle of the
drum
49
15
Route a lashing from clevis
15 to the right rear shackle of the
drum
50
15A
Route a lashing from clevis
15A to the left rear shackle of the
drum
51
16
Route a lashing from clevis
16 to the right rear shackle of the
drum
52
16A
Route a lashing from clevis
16A to the left rear shackle of the
drum
Figure 3-54. Lashings 45 Through 52 Installed
3-71
FM 4-20.137/TO 13C7-1-19
TOP REAR DRUM
TOP FRONT DRUM
54
53
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
53
Route a lashing from the right front shackle of the
t
drum to the right rear shackle of the top front drum
54
Route a lashing from the left front shackle of the
t
drum to the left rear shackle of the top front drum
Figure 3-55. Lashings 53 and 54 Installed
3-72
FM 4-20.137/TO 13C7-1-19
PREPARING AND POSITIONING PUMP
3-58. Prepare the pump according to paragraph 2-5 and as shown in Figure 2-8.
Position the pump as shown in Figure 3-14.
LASHING THE PUMP TO THE PLATFORM
3-59. Lash the pump to the platform as shown in Figure 3-56.
61
55
59
57
3
2
1
8
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
55
3
Route a lashing from clevis 3 to the right rear tiedown point.
56
3A
Route a lashing from clevis 3A to the left rear tiedown point.
57
2
Route a lashing from clevis 2 to the right front tiedown point.
58
2A
Route a lashing from clevis 2A to the left front tiedown point.
59
1
Route a lashing from clevis 1 to the right side frame.
60
1A
Route a lashing from clevis 1A to the left side frame.
61
8
Route a lashing from clevis 8 to the right rear tiedown point.
62
8A
Route a lashing from clevis 8A to the left rear tiedown point.
Figure 3-56. Lashings 55 Through 62 Installed
3-73
FM 4-20.137/TO 13C7-1-19
INSTALLING SUSPENSION SLINGS AND SAFETY TIES
3-60. Install suspension slings and safety ties as shown in Figure 3-57.
6
5
4
3
2
7
8
9
1
10
1
Attach a large clevis to the first right suspension bracket.
2
Place a large clevis in one end of a 12-foot (4-loop), type XXVI nylon suspension sling.
Attach the clevis to the clevis in step 1. Safety them together with type III nylon
cord using an hourglass tie.
3
Attach the running end of the 12-foot sling to a 5 1/2-inch 2-point link.
4
Attach a 3-foot (4-loop), type XXVI nylon suspension sling to the 2-point link.
5
Attach a 3-point link to the 3-foot sling.
6
Attach a 3-foot (4-loop), type XXVI nylon suspension sling to the 3-point link.
7
Fold in half a 20-foot (2-loop), type XXVI nylon suspension sling on the final corner of
the 3-point link.
8
Attach two 3-foot (4-loop), type XXVI nylon suspension slings to a large clevis and attach
this clevis to the running ends of the folded 20-foot sling.
Figure 3-57. Suspension Slings and Safety Ties Installed
3-74
FM 4-20.137/TO 13C7-1-19
9
Attach one large clevis to each running end of the two 3-foot slings and attach one clevis
to each second and third suspension brackets.
10
Place a large clevis in one end of a 20-foot (4-loop), type XXVI nylon suspension sling
and attach the clevis to the right rear suspension bracket.
11
Repeat steps 1 through 10 for the left side of the platform.
12
Raise the suspension slings and install the suspension sling safety ties as shown in
Appendix A, to the front and rear suspension slings, six to eight inches above the
highest point of the load (not shown).
13
Pad and tape the link assemblies (not shown).
Figure 3-57. Suspension Slings and Safety Ties Installed (Continued)
COVERING THE PUMP
3-61. Place a canvas cover over the pump as shown in Figure 3-16.
3-75
FM 4-20.137/TO 13C7-1-19
BUILDING AND POSITIONING PARACHUTE STOWAGE PLATFORM
3-62. Build and position stowage platform as shown in Figure 3-58. Align the
rear edge of the stowage platform on the rear edge of the box.
63
32
96”
2” x 6” x 85”
2”
LUMBER
22”
48”
3/4” PLYWOOD
22”
2” x 6” x 85”
LUMBER
2”
2”
2” x 6” x 48” LUMBER
2” HOLES
Tie-dow n
Lashing
Clevis
Instructions
Number
Number
63
32
Route a lashing from clevis 32 through
t
right holes in the stowage platform
64
32A
Route a lashing from clevis 32A through
t
left holes in the stowage platform
Figure 3-58. Parachute Stowage Platform Built and Positioned
3-76
FM 4-20.137/TO 13C7-1-19
PREPARING AND STOWING CARGO PARACHUTES
3-63. Prepare and stow cago parachutes as shown in Figure 3-59.
1
3
2
31
30
26
1
Prepare and position six G-11 cargo parachutes according to FM 4-20.102/NAVSEA
SS400-AB-MMO-010/TO 13C7-1-5.
2
Restrain the parachutes according to FM 4-20.102/NAVSEA SS400-AB-MMO-010/TO
13C7-1-5 using clevises 26, 26A, 30, 30A, 31, and 31A.
3
Install the multicut parachute release strap according to FM 4-20.102/NAVSEA
SS400-AB-MMO-010/TO 13C7-1-5.
Figure 3-59. Cargo Parachutes Prepared and Stowed
3-77
FM 4-20.137/TO 13C7-1-19
INSTALLING THE EXTRACTION SYSTEM
3-64. Install the extraction system as shown in Figure 3-60.
1
3
2
1
Install the extraction force transfer coupling according to FM 4-20.102/NAVSEA
SS400-AB-MMO-010/TO 13C7-1-5.
2
Install a 9-foot (2-loop) type XXVI nylon sling as the deployment line.
3
Use the rear mounting holes for the EFTC actuator mounting bracket and a 28-foot
cable.
Figure 3-60. Extraction System Installed
3-78
FM 4-20.137/TO 13C7-1-19
INSTALLING THE PARACHUTE RELEASE SYSTEM
3-65. Install the release system as shown in Figure 3-61.
2
1
4
3
1
Place and secure a 96-inch by 36-inch piece of honeycomb from the separator to the top
of the rear drum, securing it with type III nylon cord.
2
Position and secure the M-2 parachute release assembly on the honeycomb. Attach the
suspension slings and the parachute riser extensions to the M-2 parachute release
assembly according to FM 4-20.102/NAVSEA SS400-AB MMO-010/TO 13C7-1-5.
3
S-fold and tie any slack in the suspension slings with type I, 1/4-inch cotton webbing
(not shown). Tie the riser extensions together with type I, 1/4-inch cotton webbing.
4
Secure the large clevis attached to the folded 20-foot suspension sling to the lashing
installed between the top two drums with a piece of type III nylon cord.
Figure 3-61. Release System Installed
3-79
FM 4-20.137/TO 13C7-1-19
PLACING EXTRACTION PARACHUTE
3-66. Select the extraction parachute and extraction line needed using the
extraction line requirements table in FM 4-20.102/NAVSEA SS400-AB-MMO-
010/TO 13C7-1-5. Rig the extraction line in an extraction line bag according to
TM 10-1670-286-20/TO 13C5-2-41. Place the extraction parachute and extrac-
tion line on the load for installation in the aircraft.
INSTALLING PROVISIONS FOR EMERGENCY RESTRAINTS
3-67. Select and install the provisions for emergency aft restraints according to
the emergency aft restraint requirements table in FM 4-20.102/NAVSEA SS400-
AB-MMO-010/TO 13C7-1-5.
MARKING RIGGED LOAD
3-68. Mark the rigged load according to FM 4-20.102/NAVSEA SS400-AB-MMO-
010/TO 13C7-1-5 and as shown in Figure 3-62. Complete Shipper’s Declaration
for Dangerous Goods and affix to the load. If the load varies from the one shown,
the weight, height, CB, tipoff curve, and parachute requirements must be
recomputed.
EQUIPMENT REQUIRED
3-69. Use the equipment list in Table 3-3 to rig the load shown in Figure 3-62.
3-80
FM 4-20.137/TO 13C7-1-19
CAUTION
Make the final inspection required by FM 4-20.102/NAVSEA
SS400-AB-MMO-010/TO 13C7-1-5 before the load leaves
the rigging site.
CB
RIGGED LOAD DATA
Weight
28,855 pounds
Maximum Weight
30,355 pounds
Height
75 inches
Width
108 inches
Overall Length
411 inches
Overhang: Front (Tongue of pump)
9 inches
Rear (EFTC)
18 inches
Center of Balance (CB) (from the front edge of the platform)
198 inches
Figure 3-62. Five 500-Gallon Drums With Pump and Separator Rigged for Low-Velocity Airdrop
3-81
FM 4-20.137/TO 13C7-1-19
Table 3-3. Equipment Required for Rigging Five 500-Gallon Drums with Pump and Separator
National Stock
Item
Quantity
Number
8040-00-273-8713
Adhesive paste, 1-gal
As required
1670-01-035-6054
Bridle, extraction line bag (for DES
)
1
4030-00-090-5354
Clevis, large
13
4030-00-678-8562
Clevis, medium
6
8305-00-880-8155
Cloth coated, green, 60-inch
As required
4020-00-240-2146
Cord, nylon, type III, 550-lb
As required
1670-01-326-7309
Coupling, airdrop, extraction force transfer w/28-ft
1
1670-00-360-0328
Cover, clevis, large
6
8135-00-664-6958
Cushioning material, packaging, cellulose wadding
As required
1670-01-183-2678
Leaf, extraction line (line bag)(add 2 for DES
)
2
Line, drogue (for C-17)
1670-01-064-4452
60-foot (1-loop), type XXV I
1
Line, deployment:
1670-01-062-6304
9-foot (2-loop), type XXV I
1
Line, extraction
:
1670-01-062-6313
For C-130: 60-foot (3-loop), type XXV I
1
1670-01-107-7651
For C-141,C-5, C-17: 140-foot (3-loop), type XXV I
1
Link assembly:
Two-point:
5306-00-435-8994
Bolt, 1-in diam, 4-in long
4
5310-00-232-5165
Nut, 1-in, hexagonal
4
1670-00-003-1954
Plate, side, 5 1/2-in
4
5365-00-007-3414
Spacer, large
4
Two-point: (for DE
S)
5306-00-435-8994
Bolt, 1-in diam, 4-in long
2
5310-00-232-5165
Nut, 1-in, hexagonal
2
1670-00-003-1953
Plate, side, 3 3/4-in
2
5365-00-007-3414
Spacer, large
2
3-82
FM 4-20.137/TO 13C7-1-19
Table 3-3. Equipment Required for Rigging Five 500-Gallon Drums with Pump and Separator
(Continued)
National Stock
Item
Quantity
Number
1670-01-307-1055
Three-point
2
1670-00-006-2752
Four-point
1
1670-01-483-8259
Link,
t
1
Lumber:
5510-00-220-6146
2- by 4-in
As required
5510-00-220-6148
2- by 6-in
As required
5315-00-010-4659
Nail, steel wire, common, 8d
As required
1670-00-753-3928
Pad, energy dissipating, honeycomb, 3- by 36- by
96-in
38 sheets
Parachut
e:
1670-01-016-7841
Cargo, G-11C
6
1670-00-040-8135
Cargo, extraction, 28ft
2
1670-01-063-3715
Drogue, 15ft (for DES
)
1
Platform, airdrop, type
V, 32-foot:
1670-01-353-8425
Bracket assembly, component, (EFTC
)
(1
)
167001-247-2389
Bracket, suspensio n
(8
)
1670-01-162-2372
Clevis assembly,
t
(72
)
1670-01-353-8424
Extraction bracket assembly
(1
)
1670-01-162-2381
Link,
t
(2
)
5530-00-618-8073
Plywood, 3/4- by 48- by 96-in
4 sheets
1670-01-097-8817
Release, cargo parachute, M-2
1
Sling, cargo airdrop
For suspension:
1670-01-062-6306
3-ft (4-loop),
t
8
1670-01-062-6307
12-ft (4-loop),
t
2
1670-01-064-4453
20-ft (4-loop),
t
2
1670-01-062-6302
20-ft (2-loop),
t
2
For riser extension:
1670-01-062-6311
120-ft (2-loop),
t
6
1670-00-040-8219
Strap, parachute release, multicut
2
3-83
FM 4-20.137/TO 13C7-1-19
Table 3-3. Equipment Required for Rigging Five 500-Gallon Drums with Pump and Separator
(Continued)
National Stock
Item
Quantity
Number
7510-00-266-5016
T
ape, adhesive, 2-in
As required
7510-00-266-6710
T
ape, masking, 2-in
As required
1670-00-937-0271
Tie-down assembly, 15-ft
61
Webbing:
8305-00-268-2411
Cotton, 1/4-in,
t
As required
8305-00-082-5752
Nylon,
t
As required
8305-00-260-6890
T
ype X
As required
3-84
FM 4-20.137/TO 13C7-1-19
SECTION IV- RIGGING SIX 500-GALLON DRUMS
DESCRIPTION OF LOAD
3-70. The six collapsible fuel drums are rigged on a 32-foot, type V platform with
seven G-11 cargo parachutes. Each drum is filled with 432 gallons of liquid.
When empty, each drum weighs 250 pounds and is 62 inches long and 53 inches
in diameter. The six drums also have a 350-GPM pump with a separator and
hose box as an accompanying load. The total rigged load has a maximum weight
of 34,480 pounds with a width of 108 inches and length of 411 inches. It has an
overhang of 9 inches in the front and 18 inches in the rear.
Notes: 1. For drums filled with liquid other than water, use Table 1-1 to
recompute the weight.
2. If the load varies from the shown, the weight, height, CB, tipoff
curve, and parachute requirements must be recomputed.
3. Do not pressurize drums with air.
PREPARING PLATFORM
3-71. Prepare a 32-foot type V airdrop platform using two tandem links, eight
suspension brackets and 80 tie-down clevises as shown in Figure 3-63.
Notes: 1. The nose bumper may or may not be installed.
2. Measurements given in this section are from the front edge of the
platform, NOT from the front edge of the nose bumper.
3-85
FM 4-20.137/TO 13C7-1-19
CLEVISES 38A THROUGH 1A
REAR
FRONT
CLEVISES 38 THROUGH 1
Steps:
1. Inspect, or assemble and inspect, the platform as outlined in TM 10-1670-268-
20&P/TO 13C7-52-22.
2. Install a tandem link on the front of each platform side rail using holes 1, 2, and 3.
3. Install a suspension bracket to each platform side rail using holes 6, 7, and 8.
4. Install a suspension bracket to each platform side rail using holes 26, 27, and 28.
5. Install a suspension bracket to each platform side rail using holes 37, 38, and 39.
6. Install a suspension bracket to each platform side rail using holes 57, 58, and 59.
7. Install a tie-down clevis to bushings 4 on each front tandem link.
8. Install a tie-down clevis to bushings 1, 3 and 4 on each of the first suspension
brackets.
9. Install a tie-down clevis to bushings 2, 3, and 4 of each of the fourth suspension
brackets.
10. Starting at the front of each platform side rail, install a tie-down clevis to the
bushings bolted to holes 9, 15, 16, 18, 22, 23, 24, 25, 29, 30, 31, 32, 33, 34, 35,
36, 43, 44, 45, 46, 53, 54, 55, 56, 60 (doubled), 61 (tripled), 62, 63, and 64
(doubled).
11. Starting at the front of the platform, number the clevises bolted to the right side
from 1 through 38 and those bolted to the left side from 1A through 38A.
Figure 3-63. Platform Prepared
3-86
FM 4-20.137/TO 13C7-1-19
PREPARING HONEYCOMB
3-72. Build honeycomb stacks as shown in Figure 3-64.
STACKS 2 THROUGH 8
96” X 36”
HONEYCOMB
STACKS 9 AND 10
96” X 32”
HONEYCOMB
STACKS 10 AND 11
60” X 30”
HONEYCOMB
STAC K
PIECE S
WIDTH
LENGTH
MATERIAL
INSTRUCTIONS
NUMBE R
(INCHES )
(INCHES )
1
Prepare honeycomb stack 1
as
shown in Figure 3-2.
-
2
96
36
Honeycom b
Glue layers
t
9-10
2
96
32
Honeycom b
Glue layers
t
11-12
10
60
30
Honeycom b
Glue layers
t
Figure 3-64. Honeycomb Stacks Prepared
3-87
FM 4-20.137/TO 13C7-1-19
POSITIONING HONEYCOMB STACKS
3-73. Position honeycomb stacks as shown in Figure 3-65.
STACK 12
STACK 11
STACK 1
STACKS 10 AND 9
REAR
FRONT
STACKS 8 THROUGH 2
1
Position stack 1 on the front edge of the platform and centered.
2
Position stacks 2 through 10 flush on the rear edge of stack 1 and flush with each
other.
3
Position stack 11 at 122 inches from the front of the platform and centered left to right.
Ensure the 30 inch length is aligned with the side rails (do not glue).
4
Position stack 12 at 257 inches from the front of the platform and centered left to right.
Ensure the 30 inch length is aligned with the side rails (do not glue).
NOTE: Stacks 11 and 12 may need to be adjusted to allow for placement of the drums.
Figure 3-65. Honeycomb Stacks Positioned
3-88
FM 4-20.137/TO 13C7-1-19
BUILDING EQUIPMENT HOSE BOX
3-74. Build the equipment boxe as shown in Figure 3-5.
POSITIONING EQUIPMENT HOSE BOX
3-75. Position the equipment hose box as shown in Figure 3-6.
STORING EQUIPMENT IN THE EQUIPMENT HOSE BOX
3-76. Store the equipment in the equipment hose box as shown in Figure 3-7.
LASHING EQUIPMENT HOSE BOX TO PLATFORM
3-77. Lash the equipment hose box to the platform as shown in Figures 3-66 and
3-67.
2
38A
1
32
38
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
1
38 and
32
Route a 30-foot lashing from clevis 38 to the rear bottom left
cutout, to the front bottom left cutout, to clevis 32. Ensure
lashing is routed under the load binders on the rear of box.
2
38A and 32A
Route a 30-foot lashing from clevis 38A to the rear bottom
right cutout, to the front bottom right cutout, to clevis 32A
Ensure lashing is routed under the load binders on the front
of the box.
Figure 3-66. Lashings 1 and 2 Installed
3-89
FM 4-20.137/TO 13C7-1-19
5
4
3
37
34
31
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
3
37 and 37A
Route a lashing through clevis 37 and back
t
D-ring. Repeat for clevis 37A. Route lashings through top
f
cutouts and load bind in center of equipment box.
4
34A and
34
Route a lashing through clevis 34A and back
t
D-ring to the bottom rear cutouts
t
5
31A and
31
Route a 30-foot lashing through the rear
t
bind to clevises 31 and 31A
Figure 3-67. Lashings 3, 4, and 5 Installed
3-90
FM 4-20.137/TO 13C7-1-19
POSITIONING AND SECURING PARACHUTE STACK
3-78. Position and secure parachute stack as shown in Figure 3-68.
2
3
1
Cut 14 pieces of 96-inch by 18-inch honeycomb and glue them together.
2
Position the parachute stack flush against the front of the equipment hose box.
3
Place two pieces of 96-inch by 36-inch honeycomb on edge in front of the parachute stack.
Tape the edge and secure with type III nylon cord.
Figure 3-68. Parachute Stack Positioned
3-91
FM 4-20.137/TO 13C7-1-19
POSITIONING AND LASHING THE DRUMS
3-79. Position and lash the drums as shown in Figures 3-69 through 3-77.
PARACHUTE STACK
FIRST DRUM
STACK 12
2
NOTE: Stacks 11 and 12 may need to be moved during placement of drums.
1
Place a platform clevis on one end of two 9-foot (2-loop), type XXVI nylon slings. Attach
sling to each side of the drum (for lifting purposes only) and remove after positioning ( not
shown).
2
Position the first drum centered left to right on the platform and in front of the parachute
stack.
Figure 3-69. Drums Positioned on Platform
3-92
FM 4-20.137/TO 13C7-1-19
SECOND DRUM
THIRD DRUM
STACK 11
STACK 12
3
3
Position the second and third drums centered between honeycomb stacks 11 and 12.
Figure 3-69. Drums Positioned on Platform (Continued)
3-93
FM 4-20.137/TO 13C7-1-19
FOURTH DRUM
STACK 11
END BOARD
4
6
7
6
48”
12”
5
2”
3/4”x 30”x 48”
7”
PLYWOOD
16”
4
Position the fourth drum centered and in front of stack 11.
5
Construct the end board as shown above.
6
Place the end board in front of the fourth drum.
7
Route a lashing through clevis 6 and back through it’s own D-ring through the cutouts of
the end board to clevis 6A (this is a temporary lashing).
Figure 3-69. Drums Positioned on Platform (Continued)
3-94
FM 4-20.137/TO 13C7-1-19
FIRST DRUM
10
12
6
8
30
29
24
23
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
6
29
Route a lashing from clevis 29 to the right rear shackle of the
first drum
7
29A
Route a lashing from clevis 29A to the left rear shackle of the
first drum
8
24
Route a lashing from clevis 24 to the right front shackle of the
first drum
9
24A
Route a lashing from clevis 24A to the left front shackle of the
first drum
10
30
Route a lashing from clevis 30 to the right rear shackle of the
first drum
11
30A
Route a lashing from clevis 30A to the left rear shackle of the
first drum
12
23
Route a lashing from clevis 23 to the right front shackle of the
first drum
13
23A
Route a lashing from clevis 23A to the left front shackle of the
first drum
Figure 3-70. Lashings 6 Through 13 Installed
3-95
FM 4-20.137/TO 13C7-1-19
SECOND DRUM
20
18
14
16
22
21
14
13
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
14
21
Route a lashing from clevis
21 to the right rear shackle of the
second drum
15
21A
Route a lashing from clevis
21A to the left rear shackle of the
second drum
16
14
Route a lashing from clevis
14 to the right front shackle of the
second drum
17
14A
Route a lashing from clevis
14A to the left front shackle of the
second drum
18
22
Route a lashing from clevis
22 to the right rear shackle of the
second drum
19
22A
Route a lashing from clevis
22A to the left rear shackle of the
second drum
20
13
Route a lashing from clevis
13 to the right front shackle of the
second drum
21
13A
Route a lashing from clevis
13A to the left front shackle of the
second drum
Figure 3-71. Lashings 14 Through 21 Installed
3-96
FM 4-20.137/TO 13C7-1-19
THIRD DRUM
28
26
22
24
20
19
10
9
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
22
19
Route a lashing from clevis
19 to the right rear shackle of the
third drum
23
19A
Route a lashing from clevis
19A to the left rear shackle of the
third drum
24
10
Route a lashing from clevis
10 to the right front shackle of the
third drum
25
10A
Route a lashing from clevis
10A to the left front shackle of the
third drum
26
20
Route a lashing from clevis
20 to the right rear shackle of the
third drum
27
20A
Route a lashing from clevis
20A to the left rear shackle of the
third drum
28
9
Route a lashing from clevis
9 to the right front shackle of the
third drum
29
9A
Route a lashing from clevis
9A to the left front shackle of the
third drum
Figure 3-72. Lashings 22 Through 29 Installed
3-97
FM 4-20.137/TO 13C7-1-19
FOURTH DRUM
36
34
30
32
4
12
11
5
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
30
11
Route a lashing from clevis
11 to the right rear shackle of the
fourth drum
31
11A
Route a lashing from clevis
11A to the left rear shackle of the
fourth drum
32
5
Route a lashing from clevis
5 to the right front shackle of the
fourth drum
33
5A
Route a lashing from clevis
5A to the left front shackle of the
fourth drum
34
12
Route a lashing from clevis
12 to the right rear shackle of the
fourth drum
35
12A
Route a lashing from clevis
12A to the left rear shackle of the
fourth drum
36
4
Route a lashing from clevis
4 to the right front shackle of the
fourth drum
37
4A
Route a lashing from clevis
4A to the left front shackle of the
fourth drum
Figure 3-73. Lashings 30 Through 37 Installed
3-98
FM 4-20.137/TO 13C7-1-19
SECOND DRUM
FIRST DRUM
38
THIRD DRUM
FOURTH DRUM
40
Tie-dow n
Lashing
Clevis
Instruction s
Number
Number
38
Route a lashing from the front shackle of the first drum to the
rear shackle of the second drum on the right side .
39
Route a lashing from the front shackle of the first drum to the
rear shackle of the second drum on the left side .
40
Route a lashing from the front shackle of the third drum to the
rear shackle of the fourth drum on the right side
41
Route a lashing from the front shackle of the third drum to the
rear shackle of the fourth drum on the left side
Figure 3-74. Lashings 38 Through 41 Installed
3-99

 

 

 

 

 

 

 

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