TM 5-1730-245-14
6.4 ENGINE BLOCK ASSEMBLY - REPLACE.
THIS TASK CONSISTS OF: a. Removal
b. Installation
INITIAL SETUP
Tools:
Equipment Condition:
Toolkit, General Mechanics (item 5, Section Ill, Appendix B)
Shop Equipment, Automotive Maintenance and Repair
Organizational Maintenance, Common No 1, less
General Safety Requirements:
WARNING
Hydraulic oils and fuels are toxic and flammable.
Material/Parts Required
Do not use near heat or open flame.
Area should be well ventilated DO NOT SMOKE.
NOTE
Tag all wires prior to removal.
1) Remove screw (15), lockwasher (14) and three battery ground cables (13) at the engine.
2) Loosen the clamp (11) on the air cleaner duct (12) and remove the air cleaner duct (12)
3) Remove wires (40, 43) from engine high temperature switch (42) Remove engine high temperature
switch (42).
4) Remove nut (48) lockwasher (47), flatwasher (46) and wire (45) at engine temperature sending unit
(44). Remove engine temperature sending unit (44) Discard lockwasher
5) Remove nut (31), lockwasher (32), wire (33) and oil pressure sending unit (34) Discard lockwasher.
6) Remove wires (39, 40), oil pressure switch (38), tee (37), nipple (36) and bushing (35). Plug cavity on
engine.
lockwashers.
8) Disconnect and plug fuel inlet hose (25) and fuel leakoff hose (26) at engine
9) Remove screws (21) lockwashers (22) and flatwashers (23) holding hydraulic fluid pump (20) to
engine. Slide hydraulic fluid pump (20) back to clear engine, leaving hydraulic hoses (24) in place.
Discard lockwashers.
10) Remove nuts (5), lockwashers (6) and wires (8) from glow plugs (3). Remove glow plugs. Discard
lockwashers.
11) Loosen clamps (4) and remove upper (7) and lower (54) radiator hoses
6-4