TM 55-1925-284-14&P
UNIT MAINTENANCE
MARINE SANITATION DEVICE FOR
INLAND AND COASTAL LARGE TUG (LT)
PUMP ASSEMBLY, REPAIR
INITIAL SETUP:
References:
Tools and Special Tools:
TB 43-0218
Tool Kit, General Mechanic's (Item 1, Table 2,
Materials/Parts:
Motor, AC, 1.5 hp (Item 2, Figure 5,
Equipment Conditions:
MSD discharge pump and motor removed (WP 0025
Pump, Centrifugal (Item 1, Figure 5,
Personnel Required:
One Watercraft Engineer, 88L
WARNING
Never reuse locking hardware. Reuse of locking hardware such as lockwashers,
locking nuts, cotter pins, and lockwire can result in undetected loosening of fas-
tening hardware causing catastrophic component failure resulting in death, in-
jury, or damage to equipment. In accordance with TB 43-0218, ensure that all
locking hardware is discarded upon removal and replaced with new.
DISASSEMBLY
NOTE
It may be necessary to rotate the motor shaft by hand to gain access to the capscrews.
1. Loosen, but do not remove, the two exposed capscrews (figure 1, item 1).
2. Remove the four bolts (figure 1, item 2) and four lockwashers (figure 1, item 3) that secure the pump
(figure 1, item 4) to the motor (figure 1, item 5). Discard the lockwashers.
3. Remove the pump (figure 1, item 4) from the motor (figure 1, item 5).
0026 00-1