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
Drive Clutch Spanner Wrench
0644-136
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
CWI-023A
1. Loosen the clamps securing the coolant hoses to the water pump; then remove the hoses. 2. Remove the seven screws securing the water pump cover; then remove the cover and account for the O-ring seal and two dowel pins.
NOTE: Special tools are available from the Arctic Cat Service Parts Department.
Water Pump DISASSEMBLING NOTE: The engine must be removed for this procedure. NOTE: A bleed hole is located in the crankcase
beneath the water pump housing. If any signs of coolant or oil leakage from the bleed hole exist, the seals must be replaced.
CWI-016A
3. Remove the cap screw securing the impeller. Account for the rubber washer and gasket behind the cap screw. Remove the impeller from the shaft.
CWI-082 CWI-094A
NOTE: When servicing the water pump, use Water Pump Bearing and Seal Tool Kit and Oil Seal Protector Tool. NOTE: Tip the crankcase assembly up onto the water pump side; then remove the black Torx-screw from the bottom of the crankcase and tip down and drain the injection oil from the center cavity into a container.
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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.
4. Remove the retainer and shaft from the opposite side of the crankcase. Account for the shim located between the retainer and shaft flange.