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 TM 5-2805-261-13
LOCATION/ITEM
ACTION
REMARKS
4-36. WATER PUMP REMOVAL/DISASSEMBLY/ASSEMBLY/INSTALLATION - continued
DISASSEMBLY
1.
Capscrews (10) and
Remove.
Lubricate drive shaft with light oil.
This will make
washers (11 )
disassembly of water pump easier.
2.
Drive shaft (12) and water
Lift out of gearcase.
pump assembly.
3.
Housing (13)
Slide off shaft (12)
Inspect seal (19) and replace if necessary.
4.
Impeller cup (14)
Slide off shaft.
5.
Impeller (15)
Slide off shaft.
Remove key (20) from drive shaft and put in a safe
place when you remove impeller.
6.
Gasket (16)
Remove and discard.
7.
Impeller housing plate
Remove.
Inspect and replace all worn or damaged parts. Clean
(17)
impeller housing plate thoroughly to remove all
fragments of gasket material.
8.
Gasket (18)
Remove and discard.
ASSEMBLY
1.
Gasket (18)
Install in gearcase (9).
Be sure capscrew holes line up correctly.
2.
Impeller housing plate
Install in gearcase assembly.
(17)
3.
Gasket (16)
Install on impeller housing
plate.
4.
Key (20)
Install in slot on drive
shaft (12).
5.
Impeller (15)
Position on drive shaft so
slot in impeller mates with
key (20).
6.
Impeller cup (14)
Install.
7.
Housing (13)
Position on gearcase (9)
Replace seal (19) before installing housing.
8.
Drive shaft and water
Install in gearcase (9).
Rotate shaft to be sure pump assembly does not bind.
pump assembly
9.
Capscrews (10) and
Install.
washers (11)
4-60
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