TM 55-2815-574-24
FIELD MAINTENANCE
ENGINE
FRESH WATER COOLING SYSTEM STARBOARD THERMOSTAT HOUSING REPLACEMENT
INITIAL SETUP:
Tools and Special Tools
Equipment Condition (cont.)
General mechanic's tool kit
Powered section operator's cab removed
(WP 0179, Table 1, Item 130)
(TM 55-1925-205-23)
Chemical gloves (WP 0179, Table 1, Item 52)
Powered section intake plenum assembly
Industrial goggles (WP 0179, Table 1, Item 54)
removed (TM 55-1925-205-23)
Engine deck hatch removed
(TM 55-1925-205-23)
Materials/Parts
Engine cool to touch
Antiseizing tape (WP 0178, Table 1, Item 37)
Single channel ground and airborne radio system
Gasket (WP 0180, Table 1, Item 49)
(SINCGARS) antenna removed
Lockwasher Qty: 3 (WP 0180, Table 1, Item 3)
(TM 11-5820-890-10-8)
Sealing compound (ultra-blue)
Fresh water cooling system drained
(WP 0178, Table 1, Item 32)
(TM 55-1925-205-10)
Fresh water cooling system bypass tube removed
Personnel Required
Fresh water cooling system thermostats removed
Engineer 88L
Equipment Condition
Main navigation mast removed
(TM 55-1925-205-23)
REMOVAL
1.
Remove three pipe plugs (Figure 1, Item 1) from thermostat housing (Figure 1, Item 4).
2.
Remove two capscrews (Figure 1, Item 7), lockwashers (Figure 1, Item 6), and one flat washer
(Figure 1, Item 5) securing thermostat housing (Figure 1, Item 4) to cylinder head (Figure 1, Item 3).
3.
Remove capscrew (Figure 1, Item 9) and lockwasher (Figure 1, Item 8) securing thermostat housing
(Figure 1, Item 4) to cylinder head (Figure 1, Item 3).
4.
Remove thermostat housing (Figure 1, Item 4) from cylinder head (Figure 1, Item 3) and discard.
5.
Remove gasket (Figure 1, Item 2) from cylinder head (Figure 1, Item 3) and discard.
END OF TASK
INSTALLATION
1.
Using a putty knife, clean gasket surface of cylinder head (Figure 1, Item 3).
0140-1