Pump Unit
90-8M0050731 MAY 2011 Page 5A-39
NOTE: Once the thickness is determined, the difference between the feeler gauge thickness and 0.64 mm (0.025 in.) (the
required clearance) must be either added or subtracted from the total thickness of shims between the pinion shaft housing
and drive housing.
• Remove the screws securing the pinion shaft housing assembly to the drive housing.
• Lift the assembly out of the drive housing. Adjust shim thickness as required.
Impeller Shaft Installation
1. Lubricate the impeller shaft splines and seal protector with Special Lubricant 101.
2. Install the seal protector onto the impeller shaft. Install the impeller shaft in the drive housing, then remove the seal protector.
Tube Ref No. Description Where Used Part No.
34
Special Lubricant 101 Impeller shaft splines and seal protector 92-802865Q02
Seal Protector 91‑850233
3. Install the gear/bearing assembly and washer onto the impeller shaft. Apply Loctite 271 Threadlocker to the threads of the
impeller shaft. Hold the impeller shaft with the impeller shaft wrench. Install the nut and tighten to the specified torque.
Impeller Shaft Wrench 91‑832093A 1
Tube Ref No. Description Where Used Part No.
7
Loctite 271 Threadlocker Impeller shaft threads 92-809819
Description Nm lb‑in. lb‑ft
Impeller shaft nut 122 90
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