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 You Are Here: Front Page » Service Repair Department » Parts By Manufacturer » Hitachi Power Tool Parts » 6686371 CRANKSHAFT-DRIVE SIDE - SUPERCEDED BY 6686202 - Hitachi MASTERTOOLREPAIR

Hitachi CRANKSHAFT-DRIVE SIDE - SUPERCEDED BY 6686202 - Hitachi 6686371 $138.26

HITACHI PARTS

Product Details
Hitachi
Brand: Hitachi
Part Number: 6686371

Description:

The crankshaft translates rotational motion to reciprocating motion in a compressor pump. A crankshaft has “journals”, where the connecting rods ride on. A crank can be damaged by running the pump too low on oil, or if the drive belt is too tight. Make sure the output shaft (where the pulley installs) is not warped, and if you hear knocking, stop the unit immediately and disassemble the pump. When conrods seize onto the crankshaft, the journals must be polished of all aluminum (or iron) deposits before new conrods are installed. If pitted deeply, the crankshaft must be replaced.

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