Engine-Related Items
4. Disconnect all hoses from the water pump; then remove the allen-head screws securing the water pump assembly to the crankcase; then remove the assembly. Account for two dowel pins and two gaskets.
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. NOTE: When indicated for use, each special tool will be identified by its specific name, as shown in the chart below, and capitalized. 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
SNO-278
DISASSEMBLING/ASSEMBLING
NOTE: Special tools are available from the Arctic Cat Service Parts Department.
Water Pump ! WARNING
SNO-372
1. Obtain top-dead-center (TDC) by rotating the crankshaft (clockwise) until the mark on the magneto rotor is aligned with the pointer on the magneto cover and the #3 piston is at TDC.
When servicing the water pump, disconnect the negative battery cable to avoid injury.
REMOVING
1. Drain the engine coolant. 2. Remove the drive clutch, drive belt, driven clutch and the clutch guard. 3. Remove the cap screws and nuts securing the left-side chassis support; then carefully tip the support up to gain clearance to the water pump.
SNO-279A
2. Remove the screws securing the water pump cover to the water pump; then remove the impeller. 3. Remove the water pump seal (A) from the water pump housing (B).
YM-054
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