CHAPTER 3: MAINTENANCE OF ENGINE
TM 9-2350-256-20
3-11 REPLACE CYLINDER HEAD OIL PAN DRAIN TUBES AND RELATED PARTS
THIS TASK COVERS
a. Removal
b. Installation
INITIAL SET-UP
Tools:
Parts--Continued:
Tool kit, general mechanic's (Appendix C, item 53)
Lockwire (Appendix G, item 158)
Parts:
Equipment Condition:
Gaskets (2) (Appendix G, item 55)
Powerplant removed (see paragraph 3-1)
Lockwashers (6) (Appendix G, item 100)
NOTE
Removal and installation procedures are the same for both the left- and right-side cylinder head oil pan drain
tubes.
Remove clamps (1) as necessary.
a. REMOVAL
1
Remove cylinder head oil pan drain tube (2) and gasket (3) by removing two screws (4), two lockwashers (5), and
two hose clamps (6).
2
Remove two hoses (7) by removing two hose clamps (8).
3
Remove drain tube (9) and hose (10) by removing two hose clamps (11).
4
Remove tube (12) by removing two screws (13) and two lockwashers (14).
5
Remove drain tube assembly (15) and hose (16) by removing two hose clamps (17), lockwire (18), screw (19), and
two flat washers (20).
6
Remove tube assembly (21) and hose (16) by removing two hose clamps (17), lockwire (18), screw (19), and two
flat washers (20).
7
Remove tube assembly (22) and hose (16) by removing two hose clamps (17), lockwire (18), screw (19), and two
flat washers (20).
8
Remove tube assembly (23) and hose (16) by removing two hose clamps (17), lockwire (18), screw (19), and two
flat washers (20).
9
Remove tube assembly (24) and hose (16) by removing two hose clamps (17), lockwire (18), screw (19), and two
flat washers (20).
10
Remove tube assembly (25) and hose (26) by removing two hose clamps (27), lockwire (18), screw (19), and two
flat washers (20).
11
Remove tube (28) and hose (29) by removing two hose clamps (30).
12
Remove elbow (31) and gasket (32) by removing two screws (33) and two lockwashers (34).
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