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Confidential to Customer
4.20.1 Main motor removal (Ref. 4.19 Main motor removal)
4.20.2 Oil pump motor removing (Ref 4.17 Oil Pump motor and Airend removal)
4.20.3 Oil pump gear shaft removal
① Remove the 6×M10 bolts.
② Screw the M10 bolt into the removal holes on the oil
pump gear shaft.
Tighten the bolt to remove the oil pump gear shaft.
It is not necessary to remove the oil pump gear
from the oil pump gear shaft.
Oil Pump Gear Shaft
Oil Pump Gear M10 bolt
Removal hole (M10)
4.20.4 Bull gear removal
① Remove the gear retaining plate. Keep in mind that M20 bolt is the left hand screw.
② Put the jig for bull gear removal (1) and (2) indicated in the next page on the bull gear.
③ Tighten the jig (2) bolt to remove the bull gear.
④ Remove the key.
Hold the bull gear without drop.
Bull gear M20 bolt (left hand screw)
Gear retaining plate
Pull-out tool
4.20 Replace the Bushing
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