Fluid Pump: Testing and Inspection

INSPECTION

Exploded View Of Front Pump:

NOTE: Refer to the Exploded View Of Front Pump image when performing the following procedure.

1. Inspect all components for damage or scoring. Replace entire pump if any part is damaged or worn.
2. Inspect converter hub bushing, then replace if scored or worn. Stake bushing at notches.
3. Inspect converter hub seal. If damaged, remove with impact slide hammer and seal remover No. 1175-AC or equivalent. Install new seal with seal installer No. T63L-77837-A or equivalent.
4. Inspect stator input shaft bushings. If bushings are worn or scored, replace complete control body assembly.
5. Inspect all valve and plug bores for scoring and check all passages for obstructions.
6. Inspect mating surfaces for burrs and scoring. If necessary, use crocus cloth to polish components. Use caution to avoid rounding sharp edges of valves and plugs.
7. Inspect all springs for distortion. Ensure all valves and plugs fall freely from their bores.