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TM9-2815-224-34&P
Water Pump Maintenance Instructions (Cont)
(13) Remove water seal (15) and oil seal (16) from pump body (l).
(14) Remove plug (17).
c. Cleaning/lnspection.
WARNING
Adhesives, solvents, and sealing compounds car burn easily, can give off harmful
vapors, and are harmful to skin and clothing. To avoid injury or death, keep away
from open fire and use in well-ventilated area. If adhesive, solvent, or sealing
compound gets on skin or clothing, wash immediately with soap and water.
(1) Clean all metal parts with dry cleaning solvent.
(2) Inspect passages of housing for obstructions, deposits, and cracks. Clean out any obstruction or
deposits. Replace housing if cracked.
(3) Inspect bearings for damage and rough turning. Replace both bearings if either bearing is
damaged.
(4) Inspect impeller and replace if damaged.
d. Assembly.
(1) Lubricate bearings (1 and 2) and shaft (3) with oil.
NOTE
Bearings are installed so that numbered side of each bearing
faces in toward numbered side of other bearing.
(2) Press shaft (3), threaded end down, into small bearing (2)
using water pump drive gear installer to support bearing.
(3) Press shaft (3), threaded end up, into large bearing (1)
using water pump drive gear installer to support bearing.
CAUTION
When installing shaft assembly, make sure that shaft
assembly is installed straight into pump body otherwise
shaft assembly and pump body may be damaged.
NOTE
When installing shaft assembly, press against outer race of
large bearing.
(4) Install shaft assembly (4) into pump body (5) by pressing
on outer race of larger bearing (1).
17-5

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