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. NOTE: When indicated for use, each special tool
will be identified by its specific name, as shown in the chart below, and capitalized. Description Blind-Hole Bearing Puller
p/n
BC300A
4. Disconnect all hoses from the water pump; then remove the Allen-head screws securing the water pump assembly to the crankcase. Remove the assembly. Account for two dowel pins and two gaskets.
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
NOTE: Special tools are available from the Arctic
SNO-278
DISASSEMBLING/ASSEMBLING
Cat Service Parts Department.
Water Pump (7000) REMOVING
1. Open the hood and remove the left-side access panel; then remove the battery and drain the engine coolant. 2. Remove the drive clutch, drive belt, driven clutch; then remove the four screws securing the vent duct and screen to the skid plate. Remove the duct. 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.
SNO-662A
3. Remove the screws securing the heat shield; then remove the shield. 72
