Crankshaft Removal/Inspection - Polaris Magnum 2x4 Service Manual

ENGINE
EH42PL/EH50PL Engine
Engine Disassembly, Cont.
4. Inspect the balancer drive gear and pump shaft drive
gear.
5. Replace the shaft if gear teeth are abnormally worn or
damaged.
6. Inspect the balancer shaft bearings.
NOTE:
Due to extremely close tolerances and minimal
wear, the balancer shaft ball bearings must be inspected
visually and by feel. Look for signs of discoloration, scor-
ing or galling. Turn the inner race of each bearing. The
bearings should turn smoothly and quietly. The outer race
of each bearing should fit tightly in the crankcase. The in-
ner race should be firm with minimal side to side move-
ment and no detectable up and down movement.
Crankshaft Removal/Inspection
1. Remove the shim washer from the crankshaft.
2. Support the PTO side crankcase and crankshaft;
press the crankshaft out. Be careful not to damage
the crankcase mating surface or connecting rod.
3. Use a thickness gauge to measure the connecting rod
big end side clearance.
7/96 3.72
Polaris Industries Inc.