TM9-2320-363-34-2
26.
27.
28.
TURN WATER PUMP OVER, IMPELLER SIDE DOWN.
ATTACH DIAL INDICATOR TO WATER PUMP HOUSING (8). MEASURE GEAR FACE RUNOUT JUST
INSIDE OF DRIVE GEAR (20) TEETH. ROTATE DRIVE GEAR (20) AND MEASURE RUNOUT IN FOUR
PLACES AT 90-DEGREE INTERVALS. MAXIMUM ALLOWABLE RUNOUT IS 0.0025 IN. (0.0635 mm).
IF LIMIT IS EXCEEDED, REMOVE WATER PUMP DRIVE GEAR 920) AND CHECK FOR BURRS OR
FOREIGN PARTICLES. INSTALL DRIVE GEAR AND RECHECK RUNOUT. IF RUNOUT STILL
EXCEEDS LIMITS, REPLACE WATER PUMP DRIVE GEAR (20) AND/OR WATER PUMP SHAFT. AS
NECESSARY.
INSTALL PIPE PLUG (25), DRAINCOCK (26) (M915A2 AND M916A1) OR PLUG (26.1) (ALL EXCEPT
M915A2 OR M916A1), NEW SEAL RING (27), COVER (28), AND SNAP RING (29) IN WATER PUMP
HOUSING (8).
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