TM 5-3895-346-14
ENGINE OVERHAUL
WATER PUMP
Figure 3. Removing Pulley
Figure 4. Removing Shaft from Impeller
with Tools J 8329 and J 358-1
3. Press the shaft and bearing assembly, seal, and impeller out of the pump body as an assembly by
applying pressure on the bearing outer race with remover J 1930.
CAUTION
The bearing will be damaged if the pump is disassembled by pressing on the end of the pump shaft.
4. Press the end of the shaft out of the impeller as shown in Fig. 4, using plates J 8329 and holder J 358-
1.
5. Remove the seal assembly from the pump shaft and discard it.
Inspection
Wash all of the pump parts, except the bearing and shaft assembly, in clean fuel oil and dry them with
compressed air.
CAUTION
A permanently sealed and lubricated bearing is used in the bearing and shaft assembly and
should not be washed. Wipe the bearing and shaft assembly with a clean, lintless cloth.
Examine the impeller for damage and excessive wear on the impeller face which contacts the seal. Replace
the impeller if it is worn or damaged.
Discard the bearing if it has a general feeling of roughness, is tight or has indications of damage.
Assemble Pump
1. Use installer J 1930 to apply pressure to the outer race of the bearing as shown in Fig. 5 and press
the shaft and bearing assembly into the pump body until the outer race of the bearing is flush with the
outer face of the body.
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