IW16 Service Manual | 11
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2. Remove the handle assembly from the hydraulic motor.
3. Remove the seal between the hydraulic motor and the handle assembly. Replace during reassembly.
00255
4. From the front of the hydraulic motor, remove the thrust spacer, O-ring, pilot ring, thrust washers and thrust bearing.
5. Remove the retaining ring holding the seal backup washer in place.
6. Using O-ring tools, remove the backup ring and o-ring.
Note: Replace exposed seals during reassembly.
Thrust Spacer
00255
Thrust Washer
Thrust Bearing
08180
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7. From the rear of the hydraulic motor, remove the idler gear, idler shaft and main shaft.
8. If necessary, remove the relief adjustment screw, insert and related seals.
Note: Count how many turns you made when taking out the relief adjustment screw. Reassemble with the same amount of turns to maintain proper impact
force. To adjust the impact force, see “Adjusting Impact Intensity” on page 14.
9. Replace exposed seals during reassembly.
