Counter Balancer Shaft Removal/Inspection - Polaris Trail Blazer Service Manual

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Table of Contents

Engine Disassembly, Cont.

Counter Balancer Shaft Removal/Inspection

1. Remove the shim washer from the counter balancer

2. Note the alignment dots on the balancer and

crankshaft gears, the marks must be aligned during

3. Turn the shaft until balancer counter weights clear the

crankshaft and remove the balancer shaft from the

4. Inspect the balancer drive gear and pump shaft drive

5. Replace the shaft if gear teeth are abnormally worn or

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.

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ES33PF, EH50PL Engine