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(4) Inspect the pump bushing. Then check the reaction shaft support bushing. Replace either bush- (5) Install the gears in the pump body and mea- sure pump component clearances as follows: (a) Clearance between outer gear and reaction shaft housing should be 0.010 to 0.063 mm (0.0004 (I) Installing the pump gears in the pump housing. (II) Position an appropriate piece of Plasti- gage y across both gears. (III) Align the plastigage to a flat area on the reaction shaft housing. (IV) Install the reaction shaft to the pump housing. (V) Separate the reaction shaft housing from the pump housing and measure the Plastigage y following the instructions supplied with it. outer gear should be 0.08 to 0.19 mm (0.0035 to (c) Clearance between outer gear and pump housing should also be 0.010 to 0.19 mm (0.0035 to FRONT CLUTCH Clean and inspect the front clutch components. Replace the clutch discs if warped, worn, scored, burned or charred, or if the facing is flaking off. Replace the clutch spring and spring retainer if either is distorted, warped or broken. Check the lug grooves in the clutch retainer. The steel plates should slide freely in the slots. Replace Check action of the check ball in the retainer (Fig. 226). The ball must move freely and not stick. NOTE: Inspect the clutch retainer bushings care- Inspect the piston and retainer seal surfaces for nicks or scratches. Minor scratches can be removed REAR CLUTCH Clean the clutch components with solvent and dry them with compressed air. Check condition of the input shaft seal rings. It is not necessary to remove or replace rings unless they Inspect the input shaft splines and machined sur- faces. Very minor nicks or scratches can be smoothed Fig. 225 Rear Servo Components 1 – SNAP RING Fig. 226 Front Clutch Piston Retainer Check Ball Location 1 – RETAINER CHECK BALL 21 - 196 AUTOMATIC TRANSMISSION—30RH XJ CLEANING AND INSPECTION (Continued) |