TM-5-3895-372-20
CONCRETE-MOBILE MIXER BODY M919, MODEL 8CM-24/F
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL
AUGUST 1980
TM-5-3895-372-20 - Page 150 of 694
TM 5-3895-372-20
WATER SYSTEM.
5-10. WATER PUMP REPAIR (Continued).
LOCATION/ITEM
ACTION
REMARKS
A. DISASSEMBLY (Continued).
7.
Impeller (9).
Remove.
Pry up with two small pry bars,
180
°
apart, to break loose from
shaft.
8.
Shaft key (2).
Remove.
9.
Seals (15) and (16).
Remove.
Discard.
10.
Seal retainer (18).
Remove.
11.
Slinger ring (19).
Remove.
Discard.
12.
Snap ring (5).
Remove.
13.
Shaft (3) with bearings
Remove.
Remove components by tapping
(6) and (7) and snap
threaded end of shaft with soft
rings (4).
head hammer.
14.
Bearing (7).
Remove from shaft (3).
Using press.
15.
Two snap rings (4).
Remove from shaft (3).
16.
Bearing (6).
Remove from shaft (3).
Using press.
17.
Vent drain plugs
Remove if necessary.
(13) and (11).
B. INSPECTION.
18.
Bearings (7) and (6).
Check for roughness in
Replace if necessary.
rotation.
19.
Mounting flange (1).
Check for cracks or chipped
Replace if necessary.
casting.
20.
Impeller (9).
Check for cracks or broken
Replace if necessary.
casting.
21.
Pump casing (14).
Check for cracks or broken
Replace if necessary.
casting.
C. ASSEMBLY.
22.
Mounting flange (1).
Remove from vise.
Set in press impeller side down.
23.
Slinger ring (19).
Install in mounting flange (1).
5-22
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