TM 55-2815-574-24
SUSTAINMENT MAINTENANCE
ENGINE
AFTERCOOLER REPLACEMENT
INITIAL SETUP:
Tools and Special Tools
Equipment Condition (cont.)
General mechanic's tool kit
Propulsion module ventilated
(WP 0179, Table 1, Item 130)
(TM 55-1925-205-23)
Socket wrench set, 3/4-in. drive
Operator's cab or air intake plenum removed
(WP 0179, Table 1, Item 134)
(TM 55-1925-205-10)
Torque wrench, 150750 in-lb (1785 Nm)
Powered section engine hatch removed
(WP 0179, Table 1, Item 142)
(TM 55-1925-205-23)
Engine cool to touch
Crankcase breather limiter assembly removed
Materials/Parts
Bolt Qty: 8 (WP 0180, Table 1, Item 29)
Air inlet collector assembly removed (WP 0104)
O-ring (WP 0180, Table 1, Item 22)
Cylinder head poppet valve rocker arm covers
Plate/seal assembly (WP 0180, Table 1, Item 12)
removed (WP 0044)
Aftercooler
Fresh water cooling system drained (WP 0133)
Fresh water cooling system bypass hose
removed (WP 0143)
Personnel Required
Fuel pump removed (WP 0095)
Engineer 88L
Air intake housing removed (WP 0103)
Tachometer signal generator (sending unit)
References
removed (WP 0167)
FM 4-01.502
Blower shaft and spring assembly removed
TM 55-1925-205-24P
Electronic governor rod assembly removed
Equipment Condition
Electronic governor actuator removed (WP 0098)
Single channel ground and airborne radio system
Blower removed (WP 0110)
(SINCGARS) antenna removed
(TM 11-5820-890-10-8)
Main navigation mast removed
(TM 55-1925-205-10)
0150-1