|
|
2-17 2 NOTE: Apply a coat of Anti-Seize Thread Com- 11. Install the driven pulley and alignment washers. Secure with a cap screw (threads coated with blue Loctite #243) and washer tightened to 24 ft-lb. SC013D NOTE: At this point, check drive clutch/driven 12. Install the drive belt and secure the belt guard. Install the plug in the belly pan. NOTE: If equipped with electric start, connect the 13. Turn the gas tank shut-off valve to the OPEN posi- tion. 14. Check the ignition timing. 15. Place the rear of the snowmobile up on a shielded safety stand. Start engine and allow to warm up. Adjust engine idle to 1500 RPM and check all safety switches for proper operation. 16. Test drive the snowmobile; then verify the tighten- ing torque of the drive clutch. Engine - Bearcat 570 This engine servicing sub-section has been organized to show a progression for the complete servicing of the Arctic Cat 570 cc (Bearcat 570) engine. For consis- tency purposes, this sub-section shows a complete and thorough progression; however, for efficiency it may be preferable to remove the engine as a complete assembly, to remove and disassemble only those com- ponents which need to be addressed, and to service only those components. Also, some components may vary from model to model. The technician should use discretion and sound judgment. NOTE: Critical torque specifications can be NOTE: Some illustrations and photographs used SPECIAL TOOLS A number of special tools must be available to the technician when performing service procedures in this engine section. NOTE: Special tools are available from the Arctic Table of Contents Removing .............................................................. 2-18 ! CAUTION When installing the drive clutch, do not tighten the ! CAUTION If the engine had a major overhaul or if any major Description p/n Ball Hone 0644-292 Crankshaft Bearing Remover 0144-302 Drive Clutch Puller 0644-207 Drive Clutch Spanner Wrench 0644-136 Driven Pulley Puller 0744-023 Flywheel Spanner Wrench 0144-007 Flywheel Puller 0744-040 Piston Pin Puller 0644-328 Surface Plate 0644-016 V Blocks 0644-022 |