FM 4-20.119 Airdrop of Supplies and Equipment: Rigging 105-Millimeter Howitzers (MAY 2006) - page 3

 

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FM 4-20.119 Airdrop of Supplies and Equipment: Rigging 105-Millimeter Howitzers (MAY 2006) - page 3

 

 

Rigging M102 Howitzer with 1 ¼-Ton High Mobility Multipurpose Wheeled Vehicle (HMMWV) Truck and
Accompanying Ammunition
22
23
24
22 Fold the canvas truck cover and set it over the tent stake bag and the fire extinguisher.
23 Set the advance party bag and the camouflage net bag over the section tent.
24 Roll the large camouflage net, tie it with two lengths of type VIII nylon webbing or other
scrap webbing material and place it over the load.
Figure 2-20. Howitzer Equipment Stowed in Truck (Continued)
10 May 2006
FM 4-20.119/TO 13C7-10-31
2-33
Chapter 2
26
25
25 Fold the tarp over the load.
26 Secure the lashings placed in steps 1 through 4 over the load with D-rings and load
binders.
Figure 2-20. Howitzer Equipment Stowed in Truck (Continued)
2-34
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M102 Howitzer with 1 ¼-Ton High Mobility Multipurpose Wheeled Vehicle (HMMWV) Truck and
Accompanying Ammunition
2
1
4
3
1 Place a 36- by 50-inch piece of honeycomb in the rear of the truck bed.
2 Lay two 15-foot lashings over the honeycomb as shown.
3 Place eight ammunition boxes over the honeycomb and lashings.
4 Secure the lashings placed in step 2 over the boxes with D-rings and load binders.
Figure 2-21. Ammunition Stowed in Truck
10 May 2006
FM 4-20.119/TO 13C7-10-31
2-35
Chapter 2
6
5
7
5 Pass the ends of the lashings placed in steps 5 and 6, Figure 2-19, through the nearest
box handles and over the boxes. Secure the lashings with D-rings and load binders.
6 Pass the ends of the lashing placed in step 7, Figure 2-19, through the upper box handles
and over the boxes. Secure the lashing with a D-ring and a load binder.
7 Close the tailgate and secure it with a length of 1/2-inch tubular nylon webbing.
Figure 2-21. Ammunition Stowed in Truck (Continued)
2-36
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M102 Howitzer with 1 ¼-Ton High Mobility Multipurpose Wheeled Vehicle (HMMWV) Truck and
Accompanying Ammunition
POSITIONING HOWITZER AND TRUCK ON PLATFORM
2-9. Lift the howitzer and truck and position them on the platform as described below.
Lift the howitzer as explained in Paragraph 1-7.
Lift the truck as explained in Figure 2-22.
Position the howitzer and truck as shown in Figure 2-23.
1
2
1 Attach a 9-foot (2-loop), type XXVI nylon webbing sling to each airlift bracket with a
medium clevis.
2 Attach a 12-foot (2-loop), type XXVI nylon webbing sling to each rear lifting shackle with a
medium clevis. Route the slings through the openings on each side of the tailgate.
Figure 2-22. Truck Lifted
10 May 2006
FM 4-20.119/TO 13C7-10-31
2-37
Chapter 2
1
2
1 Set the howitzer on stacks 4, 5, and 6 so that the breechblock rests on stack 4 and the
base plate rests on stack 6.
2 Set the truck on stacks 1, 2, and 3 so that the suspension cross members of the truck rest
squarely on stacks 1 and 3 and the frame cross member rests squarely on the 6-inch part
of the honeycomb at the front of stack 2.
Figure 2-23. Howitzer and Truck Positioned on Platform
2-38
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M102 Howitzer with 1 ¼-Ton High Mobility Multipurpose Wheeled Vehicle (HMMWV) Truck and
Accompanying Ammunition
LASHING HOWITZER AND TRUCK
2-10. Lash the howitzer and truck to the platform with twenty-six 15-foot lashings as shown in Figure 2-
24. Install and safety the lashing according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-
010/TO 13C7-1-5.
Note. Left and right refer to the truck and howitzer, NOT the platform.
2
1
1A
3
2
1
Lashing
Tiedown
Instructions
Number
Clevis
Number
Pass lashing:
1
1
Through the right front tie-down.
2
1A
Through the left front tie-down.
3
2
Through the right front lower control arm.
4
2A
Through the left front lower control arm (not shown).
Figure 2-24. Lashings Installed
10 May 2006
FM 4-20.119/TO 13C7-10-31
2-39
Chapter 2
Note. Left and right refer to the truck and howitzer, NOT the platform.
8
7
10
5
6
5
4
3
Lashing
Tiedown
Instructions
Number
Clevis
Number
Pass lashing:
5
3
Through tie-down bracket behind right front coil spring.
6
3A
Through tie-down bracket behind left front coil spring (not shown).
7
4 and 4A
Pass a 15-foot lashing through clevis 4A and through its own D-ring.
Pass the lashing through the hole in stack 2. Attach the lashing to
clevis 4 with a load binder.
8
5
Through tie-down bracket in front of the right rear coil spring.
9
5A
Through tie-down bracket in left of the right rear coil spring (not
shown).
10
6
Around right rear lower control arm.
11
6A
Around left rear lower control arm.
Figure 2-24. Lashings Installed (Continued)
2-40
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M102 Howitzer with 1 ¼-Ton High Mobility Multipurpose Wheeled Vehicle (HMMWV) Truck and
Accompanying Ammunition
Note. Left and right refer to the truck and howitzer, NOT the platform.
14
12
7
9
Lashing
Tiedown
Instructions
Number
Clevis
Number
Pass lashing:
12
7
Through the right rear lifting shackle.
13
7A
Through the left rear lifting shackle (not shown).
14
9
Through tie-down bracket behind the right rear coil spring.
15
9A
Through tie-down bracket behind the left rear coil spring (not
shown).
Figure 2-24. Lashings Installed (Continued)
10 May 2006
FM 4-20.119/TO 13C7-10-31
2-41
Chapter 2
Note. Left and right refer to the truck and howitzer, NOT the platform.
16
18
22
20
16
15
14
17
Lashing
Tiedown
Instructions
Number
Clevis
Number
Pass lashing:
16
14
Around left trail.
17
14A
Around right trail.
18
15
Through lunette.
19
15A
Through lunette.
20
16
Around left trail.
21
16A
Around right trail.
22
17
Around left trail.
23
17A
Around right trail.
Figure 2-24. Lashings Installed (Continued)
2-42
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M102 Howitzer with 1 ¼-Ton High Mobility Multipurpose Wheeled Vehicle (HMMWV) Truck and
Accompanying Ammunition
Note. Left and right refer to the truck and howitzer, NOT the platform.
24
26
27
19
Lashing
Tiedown
Instructions
Number
Clevis
Number
Pass lashing:
24
19
Around left wheel support arm.
25
19A
Around right wheel support arm.
26
27
Around left wheel support arm.
27
27A
Around right wheel support arm.
Figure 2-24. Lashings Installed (Continued)
10 May 2006
FM 4-20.119/TO 13C7-10-31
2-43
Chapter 2
INSTALLING AND SAFETY TIEING SUSPENSION SLINGS
2-11. Install the suspension slings according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-
010/TO 13C7-1-5 and as shown in Figure 2-25. Pad and safety the suspension slings as shown in Figure
2-26.
7
8
6
5
3
4
2
1
1
Attach a 16-foot (4-loop), type XXVI nylon webbing sling to each first suspension link with a
large suspension clevis.
2
Attach a 3-foot (4-loop), type XXVI nylon webbing sling to each second and third
suspension links with a large suspension clevis.
3
Place the 3-foot slings installed in step 2 in the bell portion of a large suspension clevis.
4
Attach a 20-foot (4-loop), type XXVI nylon webbing sling to each fourth suspension link
with a large clevis.
5
Form a 10-foot sling by passing a 20-foot (2-loop), type XXVI nylon sling through the large
clevis installed in step 3. Place both loops of the sling around one of the spacers on a
three-point link.
6
Place the end loops of each front suspension sling around the spacers on the three-point
link.
7
Bolt a 3-foot (4-loop), type XXVI nylon webbing sling to the top spacer of each three-point
link. Attach the 3-foot slings to a lifting device.
8
Attach the loops on the rear suspension slings to the lifting device.
Figure 2-25. Suspension Sling Installed
2-44
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M102 Howitzer with 1 ¼-Ton High Mobility Multipurpose Wheeled Vehicle (HMMWV) Truck and
Accompanying Ammunition
2
6
5
3
4
1
1 Pad the loops of the suspension slings attached to the second and fourth suspension
clevises on each side with 4- by 24- inch pieces of 1/2-inch felt tied in place. Wrap the
padding with tape.
2 Wrap the three-point links with 1/2-inch felt and tape in place.
3 Pad the front suspension slings 46 inches from the clevis with a 6- by 55-inch piece of felt
wrapped with tape. Tie the sling to the truck B-pillar with a length of type III nylon cord.
4 Tie the large suspension clevises at the junctions of the center suspension slings to
convenient points on the truck with type III nylon cord.
5 Safety tie the left and right front suspension slings to each other with a double length of
1/2-inch tubular nylon webbing as described in FM 4-20.102/MCRP 4-11.3J/NAVSEA
SS400-AB-MMO-010/TO 13C7-1-5.
6 Repeat step 5 for rear suspension slings.
Figure 2-26. Suspension Slings Padded and Safety Tied
10 May 2006
FM 4-20.119/TO 13C7-10-31
2-45
Chapter 2
PREPARING STOWAGE PLATFORM AND STOWING CARGO
PARACHUTES
2-12. Prepare the stowage platform and stow the cargo parachutes as described below.
Prepare the cargo parachute stowage platform as shown in Figure 2-27.
Prepare and stow four G-11 cargo parachutes according to FM
4-20.102/MCRP
4-
11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5 and as shown in Figure 2-28.
1
2
1 Place seven 12- by 74-inch pieces of honeycomb flush over the rear ammunition stack
even with the rear edge of the platform.
2 Make two 14-layer stacks of 12- by 24-inch pieces of honeycomb. Place one stack on
each side of the howitzer 30 inches from the rear edge of the platform and 2 inches from
the suspension links.
Figure 2-27. Stowage Platform Prepared
2-46
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M102 Howitzer with 1 ¼-Ton High Mobility Multipurpose Wheeled Vehicle (HMMWV) Truck and
Accompanying Ammunition
Notes. 1. This drawing is not drawn to scale.
2. All dimensions are given in inches.
2 ¾
22
2 ¾
2 X 6 X 85
3
2 X 6 X 85
10
6
2 X 6 X 48
2 X 6 X 48
9
2 X 6 X 30 ½
2 X 6 X 30 ½
10
36
24
3 Construct the parachute stowage platform from a 48- by 96-inch piece of 3/4-inch plywood.
Reinforce the edges and center with 2- by 6-inch lumber as shown. Drill 2-inch holes as
shown.
Figure 2-27. Stowage Platform Prepared (Continued)
10 May 2006
FM 4-20.119/TO 13C7-10-31
2-47
Chapter 2
4
4
5
6
7
6
8
D16
5
22
23
23
22
A16
4 Set the stowage platform flush on the honeycomb with the cutout to the front.
5 Lash the rear holes of the parachute stowage platform to clevises 22 and 22A with two 15-
foot lashings.
6 Lash the front holes of the parachute stowage platform to clevises 23 and 23A with two 15-
foot lashings.
7 Lash the front inside holes of the parachute stowage platform to tie-down rings A14 and
B14 with two 15-foot lashings.
8 Cut a hole in each side of the felt covering the howitzer tube. Lash the tube to tie-down
rings A16 and D16 with two 15-foot lashings.
Figure 2-27. Stowage Platform Prepared (Continued)
2-48
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M102 Howitzer with 1 ¼-Ton High Mobility Multipurpose Wheeled Vehicle (HMMWV) Truck and
Accompanying Ammunition
1
3
4
3
4
2
1 Stack two G-11 cargo parachutes on each side of the howitzer tube.
2 Fit the bridle loops of the parachutes onto the arms of a large suspension clevis. Support
the clevis with two turns of type I, 1/4-inch cotton webbing tied around the gun barrel.
3 Pass the center parachute restraint strap through the bag carrying handles and down
through the rear holes in the stowage platform. Tie the center restraint to the second
bushing on the rear suspension link.
4 Pass the rear restraint strap through the upper bridle assembly attaching loops of both
upper parachutes, down through the bag carrying handles and through the rear holes in
the stowage platform. Tie the rear restraint strap to bushings 60 and 60A on the platform
side rails.
Figure 2-28. Cargo Parachute Stowed
10 May 2006
FM 4-20.119/TO 13C7-10-31
2-49
Chapter 2
INSTALLING EXTRACTION SYSTEM
2-13. Install the components of the EFTC system according to FM 4-20.102/MCRP 4-11.3J/NAVSEA
SS400-AB-MMO-010/TO 13C7-1-5 and as shown in Figure 2-29. If applicable install the extraction
parachute jettison system (EPJS) according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-
010/TO 13C7-1-5.
4
2
1
3
1 Install the EFTC mounting brackets in the rear mounting holes in the left platform rail.
2 Attach a 28-foot release cable to the actuator. Install the actuator to the EFTC mounting
brackets. Run the cable to the rear of the load.
3 Install the latch assembly to the extraction bracket. Attach the release cable to the latch
assembly. Safety tie the cable according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-
AB-MMO-010/TO 13C7-1-5.
4 Install a 9-foot (2-loop), type XXVI nylon webbing sling as the deployment line. S-fold the
slack and tie the folds.
Figure 2-29. Extraction System Installed
2-50
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M102 Howitzer with 1 ¼-Ton High Mobility Multipurpose Wheeled Vehicle (HMMWV) Truck and
Accompanying Ammunition
INSTALLING PROVISIONS FOR EMERGENCY RESTRAINTS
2-14. Install provisions for emergency restraints according to FM 4-20.102/MCRP 4-11.3J/NAVSEA
SS400-AB-MMO-010/TO 13C7-1-5.
INSTALLING RELEASE SYSTEM
2-15. Prepare and install an M-2 cargo parachute release according to FM
4-20.102/MCRP
4-
11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5 and as shown in Figure 2-30.
1
5
3
2
4
1 Center the M-2 release on the honeycomb covering the howitzer.
2 S-fold and tie the center suspension slings with type I, 1/4-inch cotton webbing.
3 S-fold and tie the rear suspension slings with type I, 1/4-inch cotton webbing.
4 Secure the release to convenient points on the howitzer with type III nylon cord.
5 Tie the riser extension together with a length of type I, 1/4-inch cotton webbing.
Figure 2-30. M-2 Cargo Parachute Release Installed
10 May 2006
FM 4-20.119/TO 13C7-10-31
2-51
Chapter 2
PLACING EXTRACTION PARACHUTE
2-16. Select the extraction parachute and extraction line needed using the extraction line requirements
table in FM 4-20.102/MCRP 4-11.3J/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/TO13C5-2-41. Place the extraction
parachute and extraction line on the load for installation in the aircraft.
MARKING RIGGED LOAD
2-17. Mark the rigged load according to FM
4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-
010/TO 13C7-1-5 and as shown in Figure 2-31. Complete Shipper's Declaration for Dangerous Goods
according to AFMAN 24-204(I)/TM 38-250. If the load varies from the one shown, the weight, height,
CB, tip-off cure, and parachute requirements must be recomputed.
2-52
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M102 Howitzer with 1 ¼-Ton High Mobility Multipurpose Wheeled Vehicle (HMMWV) Truck and
Accompanying Ammunition
CAUTION
Make the final rigger inspection required by FM 4-20.102/MCRP 4-
11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5 before the load
leaves the rigging site.
CB
RIGGED LOAD DATA
Weight: Load shown
17,770 pounds
Maximum load allowed
19,000 pounds
Height
83 inches
Width
108 inches
Overall Length
402 inches
Overhang: Front
0 inches
Rear (EFTC)
18 inches
Rear (EPJS)
30 inches
Center of Balance (from front edge of platform)
196 inches
Figure 2-31. M102 Howitzer with 1 1/4-ton truck and Accompanying Ammunition Rigged for
Low-Velocity Airdrop
10 May 2006
FM 4-20.119/TO 13C7-10-31
2-53
Chapter 2
EQUIPMENT REQUIRED
2-18. Use the equipment listed in Table 2-2 to rig this load.
Table 2-2. Equipment Required for Rigging the M102 Howitzer with 1 1/4-ton Truck and
Accompanying Ammunition on a Type V Platform for Low-Velocity Airdrop
National Stock Number
Item
Quantity
8040-00-273-8713
Adhesive paste, 1-gal
As required
Clevis, suspension:
4030-00-678-8562
3/4-inch (medium) emergency restraint
13
4030-00-090-5354
1-inch (large)
3
4020-00-240-2146
Cord, nylon, type III, 550-lb
As required
1670-00-157-6527
Coupling, airdrop, extraction force transfer with 28-foot
1
cable
8305-00-184-2034
Cloth, cotton duck, 60-in
As required
8135-00-664-6958
Cushioning material, packaging, cellulose wadding
As required
8305-00-191-1101
Felt sheet, 1/2-in
As required
1670-01-183-2678
Leaf, extraction line
2
1670-01-064-4452
Line, drogue, 60-foot (1-loop), type XXVI nylon
1
webbing
Line, extraction, type XXVI nylon webbing:
1670-01-062-6313
60-foot (3-loop)
1
Or
1670-01-107-7651
140-foot (3-loop)
1
Link assembly:
1670-01-493-6418
Two-point, 3 3/4-in
1
1670-01-493-6420
Two-point, 5 1/2-in
2
Lumber:
5510-00-220-6146
2- by 4-in
As required
5510-00-220-6148
2- by 6-in
As required
5510-00-220-6246
2- by 8-in
As required
Nail, steel wire, common:
5315-00-010-4659
8d
As required
5315-00-164-5121
20d
As required
1670-00-753-3928
Pad, energy dissipating, honeycomb, 3- by 36- by 96-
29 Sheets
in
Parachute:
Cargo:
1670-01-016-7841
4
G-11
Cargo extraction:
1670-01-063-3715
1
Drogue, 15-foot
1670-00-040-8135
1
28-foot
2-54
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M102 Howitzer with 1 ¼-Ton High Mobility Multipurpose Wheeled Vehicle (HMMWV) Truck and
Accompanying Ammunition
Table 2-2. Equipment Required for Rigging the M102 Howitzer with 1 1/4-ton Truck and
Accompanying Ammunition on a Type V Platform for Low-Velocity Airdrop (Continued)
National Stock Number
Item
Quantity
1670-01-097-8817
Release, cargo parachute, M-2
1
Platform, AD, type V, 32-foot:
1670-01-353-8425
Bracket assembly, coupling
1
1670-01-353-8424
Bracket assembly, extraction
1
1670-01-162-2376
Clevis assembly
54
1670-01-247-2389
Suspension link
8
1670-01-162-2381
Tandem link (multi-purpose)
2
5530-00-128-4981
Plywood, 3/4-in
As required
Sling, cargo airdrop
For suspension:
1670-01-062-6306
3-ft (4-loop), type XXVI nylon webbing
6
1670-01-063-7761
16-ft (2-loop), type XXVI nylon webbing
2
1670-01-062-6308
16-ft (4-loop), type XXVI nylon webbing
2
1670-01-064-4453
20-ft (4-loop), type XXVI nylon webbing
2
For deployment:
1670-01-062-6304
9-ft (2-loop), type XXVI nylon webbing
1
For riser extension:
1670-01-062-6313
60-ft (3-loop), type XXVI nylon webbing
4
For lifting:
1670-01-062-6304
9-ft (2-loop), type XXVI nylon webbing
4
1670-01-063-7760
11-ft (2-loop), type XXVI nylon webbing
2
1670-01-063-7761
16-ft (2-loop), type XXVI nylon webbing
2
5340-00-040-8219
Strap parachute release, multicut
2
7515-00-266-5016
Tape, adhesive, 2-inch
As required
1670-00-937-0271
Tie-down assembly, 15-foot
54
1670-01-483-8259
Tow Release Mechanism (H-block for C-17)
1
Webbing:
8305-00-268-2411
Cotton, 1/4-inch, type I
As required
Nylon:
8305-00-082-5752
Tubular, 1/2-inch
As required
8305-00-263-3598
Type VIII webbing
As required
10 May 2006
FM 4-20.119/TO 13C7-10-31
2-55
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Chapter 3
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V
Platform
SECTION I - RIGGING M119 HOWITZER AND ACCOMPANYING AMMUNITION
DESCRIPTION OF LOAD
3-1. The M119, 105-millimeter howitzer is rigged on a 16-foot, type V airdrop platform with two G-11
cargo parachutes. This load includes an accompanying load of 30 boxes of ammunition and 7 boxes of
fuzes weighing 3,713 pounds. The howitzer is rigged for low-velocity airdrop from a C130 or C-17
aircraft.
PREPARING PLATFORM
3-2. Prepare a 16-foot, type V platform as described below.
Inspecting platform. Inspect, or assembly and inspect, the platform as outlined in TM 10-1670-
268-20&P/TO 13C7-52-22.
Installing tandem links. Install a tandem link on the front and rear of each rail as shown in
Figure 3-1.
Installing and numbering clevises. Attach and number 38 clevis assemblies as shown in Figure
3-1.
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-1
Chapter 3
Notes.
1. The nose bumper may or may not be installed.
2. Measurements given in this chapter are from the front edge of the platform, NOT from the front
edge of the nose bumper.
CLEVISES
19A THROUGH 1 A
LEFT
REAR
FRONT
RIGHT
CLEVISES
19 THROUGH 1
Steps:
1. Install a tandem link on the front of each platform side rail using holes 1, 2, and 3.
2. Install a tandem link on the rear of each platform side rail using holes 30, 31, and 32.
3. Install a clevis on bushings 1 and 3 on each front tandem link.
4. Install a clevis on bushings 1, 3 and 4 on each rear tandem link.
5. Starting at the front of each platform side rail, install clevises on each platform side rail
using the bushings bolted on holes 4, 9, 11, 17, 18, 19, 21, 22, 23, 24, 25, 26, 28, and 29.
6. Starting at the front of the platform, number the clevises bolted to the right side from 1
through 19 and those bolted to the left side from 1A through 19A.
7. Label the tie-down rings according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-
MMO-010/TO 13C7-1-5.
Figure 3-1. Platform Prepared
3-2
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
STOWING ACCOMPANYING LOAD
CAUTION
Only ammunition listed in FM 4-20.153/MCRP 4-11.3B/TO 13C7-18-41
may be airdropped.
3-3. Stow the accompanying load of 28 boxes of ammunition weighing 3,360 pounds as shown in Figures
3-2 through 3-4. The other two boxes of ammunition will be stowed after the gun is lashed to the platform.
Make sure the accompanying load meets the restrictions and requirements as outlined in FM
4-
20.102/MCRP 4-11.3J/NAVSEA SS400-AB-MMO-010/TO 13C7-1-5. When hazardous materials are
rigged as part of the load, they must be packaged, marked and labeled according to AFMAN 24-204(I)/TM
38-250.
1
2
1 Center two 36- by 84-inch pieces of honeycomb 96 inches from the front edge of the
platform.
2 Form two 30-foot lashing according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-
MMO-010/TO 13C7-1-5 and lay them from side to side on the honeycomb.
Figure 3-2. First Stack of Ammunition Secured with Lashings
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-3
Chapter 3
4
3
3 Place 14 ammunition boxes on the honeycomb.
4 Secure the 30-foot lashings with D-rings and load binders.
Figure 3-2. First Stack of Ammunition Secured with Lashings (Continued)
3-4
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
Notes.
1. All measurements are given in inches.
2. This drawing is not drawn to scale.
2
4
2
7
1
19
8
88
1 Cut four endboards as shown using 3/4- by 19- by 88-inch pieces of plywood. Cut four 2-
by 4-inch cutouts.
2 Place an endboard against the rear of the stack of boxes.
Figure 3-3. First Stack of Ammunition Lashed
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-5
Chapter 3
7
3
8
5
4
6
9
11
10
10
8
7
6
3
Form seven 30-foot lashings according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-
AB-MMO-010/TO 13C7-1-5. Pass the ends of a 30-foot lashing through clevises 6 and 6A
and through the upper slots in the endboard. Secure the lashing at the side of the load
with two D-rings and a load binder.
4
Place an endboard against the front of the stack of boxes. Pass the ends of a 30-foot
lashing through clevises 11 and 11A and through the upper slots in the endboard. Secure
the lashing in the center of the endboard.
5
Pass the ends of a 30-foot lashing through clevises 7 and 7A and through the lower slots
in the rear endboard. Secure the lashing at the side of the load with two D-rings and a
load binder.
6
Pass the ends of a 30-foot lashing through clevises 10 and 10A and through the lower
slots in the front endboard. Secure the lashing at the side of the load with two D-rings and
a load binder.
7
Pass the end of a 30-foot lashing through clevises 8 and 8A and over the top of the stack
of boxes. Secure the lashing in the center of the boxes with two D-rings and a load binder.
8
Set a third endboard against the rear of the stack. Place two 36- by 84-inch pieces of
honeycomb 136 inches from the front edge of the platform.
9
Pre-position a 30-foot lashing through clevis 17A and through the upper slots.
10
Pre-position a 30-foot lashing through clevis 15A and through the lower slots.
Figure 3-3. First Stack of Ammunition Lashed (Continued)
3-6
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
1
6
4
5
2
12
13
14
17
15
3
1 Form five 30-foot lashings according to FM 4-20.102/MCRP 4-11.3J/NAVSEA SS400-AB-
MMO-010/TO 13C7-1-5. Place two 30-foot lashings and 14 boxes of ammunition on the
honeycomb. Secure the lashings as shown in Figure 3-2, step 4.
2 Pass the 30-foot lashing pre-positioned in Figure 3-3, step 9, through clevis 17. Secure
the lashing at the side of the load with two D-rings and a load binder.
3 Pass the 30-foot lashing pre-positioned in Figure 3-3, step 10, through clevis 15. Secure
the lashing at the side of the load with two D-rings and a load binder.
4 Place an endboard against the rear of the stack of boxes. Pass the ends of a 30-foot
lashing through clevises 12 and 12A and through the upper slots in the endboard. Secure
the lashing on the left side of the load with two D-rings and a load binder.
5 Pass the ends of a 30-foot lashing through clevises 13 and 13A and through the lower
slots in the endboard. Secure the lashing on the left side of the load with two D-rings and
a load binder.
6 Pass the ends of a 30-foot lashing through clevises 14 and 14A and over the top of the
stack of boxes. Secure the lashing in the center of the boxes with two D-rings and a load
binder.
Note. Step 7 is optional and is only used for recovery of the howitzer. This honeycomb stack is
not shown throughout the remainder of this section.
7 Glue and center, four 17- by 96-inch pieces of honeycomb flush against the front end
board of the ammunition boxes. Tape the top side edges of the honeycomb and secure
with type III nylon cord using bushing 14 and 14A (not shown).
Figure 3-4. Second Stack of Ammunition Lashed
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-7
Chapter 3
BUILDING AND PLACING HONEYCOMB STACKS
3-4. Build the honeycomb stacks as shown in Figures 3-5 through 3-7. Place them on the platform as
shown in Figure 3-8. An additional honeycomb stack may be used for recovery purposes. Center four 17-
by 96-inch pieces of honeycomb flush against the front endboard of the ammunition boxes. Tape the top
side edges of the honeycomb and secure with type III nylon cord using bushings 14 and 14A. This
honeycomb stack is not shown throughout this section.
Notes. 1. All measurements are given in inches.
2. This drawing is not drawn to scale.
30
TOP VIEW
20
6
6
Stack
Pieces
Width
Length
Material
Instructions
Number
(inches)
(inches)
1
10
30
20
Honeycomb
Glue to form stack.
3
30
20
Honeycomb
Make a 6- by 6-inch cut out centered
on the 30 inch side. Glue on top of
previous 10 pieces of honeycomb.
2
30
20
¾-inch
Make same cut out as above and
Plywood
place on honeycomb.
3
12
8
¾-inch
Glue the 12-inch side, flush along the
Plywood
front edge and centered.
1
12
8
Honeycomb
Glue flush over the plywood.
Figure 3-5. Honeycomb Stack 1 Prepared
3-8
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
Notes. 1. All measurements are given in inches.
2. This drawing is not drawn to scale.
LAYERS 6 THROUGH 12 OF
PLYWOOD AND HONEYCOMB
8 ½
27 ½
25
8 ½
21 ½
25
TOP LAYER
Stack
Pieces
Width
Length
Material
Instructions
Number
(inches)
(inches)
2
5
72
36
Honeycomb
Glue to form stack.
1
25
36
¾-inch
Make cutouts as shown.
Plywood
3
25
36
Honeycomb
Make cutouts as shown and place
flush on the plywood.
1
25
36
¾-inch
Make cutouts as shown and place
Plywood
flush on honeycomb.
2
25
36
Honeycomb
Make cutouts as shown for the top
layer and place flush on the stack.
1
25
30
Honeycomb
Center the T-shaped stack on the
base.
Figure 3-6. Honeycomb Stack 2 Prepared
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-9
Chapter 3
Note. All measurements are given in inches.
PLYWOOD
3/4 X 21 X 6
PLYWOOD
3/4 X 30 X 6
PLYWOOD
3/4 X 30 X 6
REAR
Stack
Pieces
Width
Length
Material
Instructions
Number
(inches)
(inches)
3
8
30
16
Honeycomb
Glue to form stack.
1
30
10
Honeycomb
Glue honeycomb even with front edge
of base.
1
30
6
¾-inch
Glue plywood even with front edge of
Plywood
honeycomb.
1
30
6
¾-inch
Glue plywood flush on rear edge of
Plywood
stack.
1
21
6
¾-inch
Center and glue plywood on the rear
Plywood
piece of plywood.
Figure 3-7. Honeycomb Stack 3 Prepared
3-10
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
Notes. 1. All measurements are given in inches.
2. This drawing is not drawn to scale.
Stack 3
Stack 2
Stack 1
Stack
Position of Stack on Platform
Number
Place stack:
1
Centered 17 ½ inches from front edge of platform.
2
Centered and flush against stack 1.
3
Centered and flush with rear edge of platform.
Figure 3-8. Honeycomb Stacks Placed on Platform
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-11
Chapter 3
PREPARING HOWITZER
3-5. Prepare the howitzer as shown in Figures 3-9 through 3-18.
2
1
4
5
1 Install the jack.
2 Use the mallet to remove the wheel hub and the right front wheel.
3 Place the traveling stay in its locking bracket (not shown).
4 Traverse the barrel to the rear until it is centered between the trails.
5 Replace the wheel and hub. Stow the jack and mallet in the bracket on the left side of the
gun.
Figure 3-9. Gun Placed in Travel Position
3-12
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
1
2
3
1 Remove the run back stop bar from its storage hole on the right rail. (Bar shown stowed.)
2 Insert the bar from the left side into the holes provided in both rails.
3 Secure the left end of the bar to the left rail with type III nylon cord.
Figure 3-10. Run Back Stop Bar Secured Across Breech
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-13
Chapter 3
1
2
4
2
1 Center a 1/2- by 10 1/2- by 6-inch piece of plywood directly under the hinge of the traveling
stay. Center a 2- by 4- by 24-inch piece of lumber over the plywood.
Note. Be sure that the wood support fits snugly between the traveling stay. Center a 2- by 4- by
24-inch piece of lumber over the plywood.
2 Pad the front firing platform hole with cellulose wadding. Pass a 15-foot lashing through
the hole, over the lumber placed in step 1, and around the brake light bar. Secure the
lashing on top with a D-ring and a load binder.
3 Repeat step 2 on the left side, using the same firing platform hole (not shown).
4 Pass a 60-inch shear strap around the barrel and under the buffer assembly. Secure the
strap with its friction adapter. Tie the excess strap with 1/4-inch cotton webbing.
Figure 3-11. Wood Under Buffer Assembly Secured
3-14
FM 4-20.119/TO 13C7-10-31
10 May 2006
Rigging M119 Howitzer for Low-Velocity Airdrop on Type V Platform
1
1
Tie the brake lines to the brake handle with type III nylon cord.
Figure 3-12. Brake Lines Secured to Brake Handle
10 May 2006
FM 4-20.119/TO 13C7-10-31
3-15
Chapter 3
4
3
2
1
5
2
1 Use 20d nails to nail five 2- by 8- by 40-inch pieces of lumber flush together.
2 Cut a 3/4- by 7 1/2- by 40-inch piece and a 1/2- by 7 /12- by 40-inch piece of plywood. Nail
one piece flush to each side of the stack of board.
Note. Be sure that the wood support fits snugly under the muzzle brake when the latch bracket is
in place. Adjust the plywood thickness, if necessary, to ensure a snug fit.
3 Center the support on the trails under the muzzle brake. Align the rear edge of the support
with the edge of the muzzle brake.
4 Swing the latch bracket assembly up to the muzzle brake. Lock the latch bracket
assembly to the fitting on the muzzle brake.
5 Secure the latch bracket with type III nylon cord.
Figure 3-13. Muzzle Brake Support Constructed and Placed
3-16
FM 4-20.119/TO 13C7-10-31
10 May 2006

 

 

 

 

 

 

 

 

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