P1
06
05
7E
J100
J150
J300
J250
J200
J200
Shaft Seal Removal 1. Clean the pump thoroughly before
removing the shaft. Orient the pump
with the shaft pointing up.
2. Use a snap ring pliers to remove the
top snap ring (J200).
3. Turn two screws into the seal.
Input Shaft Removal 1. Use a press or gear puller to press
down on the shaft.
2. Remove the lower snap ring (J200).
3. Pull the shaft (J100) out of the pump.
It may be necessary to tap lightly
on the shaft to dislodge it from the
internal pump components.
Attention
Do not move or shake the pump after the shaft is removed. Internal parts may be
dislodged making it impossible to reinstall the shaft.
Keep all parts clean. Ensure that no contamination falls into the pump.
Puncture
Seal
4. Pry the seal out.
© Danfoss, 2013
11106047 • Rev AB • September 2013 1
Service Kit Instructions
H1 Pump
Shaft disassembly
Shaft and Seal
Installation
1.
2. Install the new shaft/bearing assembly (J100, J150, J300) into the pump. Rotate the
shaft to align it with the block and charge pump splines.
Lubricate the bearing (J150) with clean hydraulic fluid.
Lubricate the seal (J250) with clean hydraulic fluid. Use a seal installation tool or deep
3. Use a press or gear puller to press down on the shaft and replace the lower snap-ring
(J200).
4.
socket to press the seal into the housing until it bottoms out on the lower snap ring.
Press evenly to avoid binding or damaging the seal.
5. Install the upper snap ring (J200).
© Danfoss, 2013
11106047 • Rev AB • Se
ptember 2013
2
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1
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2
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