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4.20.6 Attach the bull gear
Bull gear
Key
Gear retaining plate
4.20.7 Attach the oil pump gear shaft
① Attach the oil pump gear shaft on the bull gear.
Tighten the 6×M10 bolts.
M10 bolt
Oil pump gear Oil pump gear shaft
Oil pump gear shaft assy.
Part code No : 59010830 (Fixed speed type)
: 59010840 (Vtype)
4.20.8 Attach the gear case and the oil case.
4.20.9 Attach the air end.
① Attach the key.
② Apply the anti seizing paste between the motor shaft
and the bull gear.
Anti seizing paste shall be the molybdenum disulfide
basis.
③ Attach the bull gear onto the main motor shaft by
shrink fitting. The bull gear shall be contact the
motor shaft end face. The temperature for the shrink
fitting shall be 300℉ (150℃).
④ Attach the gear retaining plate. Keep in mind that
M20 bolt is the left hand screw.
Bushing replacement shall be done after removing the oil pump. And when the main motor is attached, carefully
intermesh the gears teeth without excessive force.
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