Engine-Related Items NOTE: Whenever a part is worn excessively, cracked, or damaged in any way, replacement is necessary.
SPECIAL TOOLS A number of special tools must be available to the technician when servicing the engine-related items. Description
p/n
Blind-Hole Bearing Puller
0644-500
Coolant Cap
0644-156
Drive Clutch Spanner Wrench
0644-136
Valve and Spring Retainer Tool
0644-448
Fan Spanner Wrench
0644-340
Water Pump Bearing and Seal Tool Kit
0644-557
Oil Seal Protector Tool
0644-219
Engine Leak-Down Test Kit
0644-522
Vacuum Test Pump
0644-131
Hood Harness Extension
1686-659
Hood Harness Extension
1686-660
Oil Filter Wrench
0644-551
FC118
2. Remove either lower union cap screw securing the lower check valve assembly. Remove the two cap screws securing the oil-injection pump and pull the oil pump from the engine. Leave the pump hose and cable attached. 3. Remove the cap screw securing the impeller. Account for the rubber washer behind the cap screw.
NOTE: Special tools are available from the Arctic Cat Service Parts Department.
Water Pump DISASSEMBLING (500 cc) NOTE: The engine must be removed for this procedure (see Engine section). NOTE: A bleed hole is located in the crankcase beneath the water pump housing. If any signs of coolant leakage from the bleed hole exist, the water pump seals must be replaced. When servicing the water pump, use Water Pump Bearing and Seal Tool Kit.
FC119
4. Remove the impeller from the shaft.
FC120
NOTE: If the impeller will not slide off the shaft, start the cap screw into the shaft and tap on the cap screw driving the shaft back out of the impeller. FS237A
1. Remove the cap screws securing the water pump cover; then remove the cover and account for the Oring seal.
100
