TM 9-2350-256-20
CHAPTER 5
MAINTENANCE OF ENGINE COOLING SYSTEM
CHAPTER OVERVIEW
This chapter describes how to remove, disassemble, inspect, clean, assemble, and install the engine cooling system
components.
This chapter consists of the following sections:
Page
Section I: Engine Cooling Fans
5-1
Section II: Engine Oil Coolers
5-9
SECTION I: ENGINE COOLING FANS
Para.
Task
Page
5—
1
Replace Engine Cooling Fan Shroud Seals........................................................................................... 5-1
5—
2
Replace Engine Cooling Fans............................................................................................................... 5-2
5—
3
Replace/Repair Engine Cooling Fan Housings...................................................................................... 5-3
5—
4
Replace Engine Cooling Fan Shroud and Related Parts ....................................................................... 5-5
5—
5
Replace/Repair Engine Cooling Fan Vertical Shaft Oil Seals ................................................................ 5-7
5— 1 REPLACE ENGINE COOLING FAN SHROUD SEALS
THIS TASK COVERS
a. Removal
b. Installation
INITIAL SET-UP
Tools:
Parts:
Equipment Condition:
Tool kit, general mechanic's
Lockwashers (27) (Appendix G,
Engine deck removed (see
(Appendix C, item 53)
item 132)
paragraph 9-51)
a.
REMOVAL
1
Remove four comer seals (1) by removing four
screws (2), four lockwashers (3), and four flat
washers (4).
2
Remove two end seals (5) by removing seven
screws (6), seven lockwashers (7), and seven flat
washers (8).
3
Remove 2 side seals (9) by removing 16 screws
(10), 16 lockwashers (11), and 16 flat washers (12).
b.
INSTALLATION
1
Install 2 side seals (9) by installing 16 flat washers
(12), 16 new lockwashers (11), and 16 screws (10).
2
Install two end seals (5) by installing seven flat
washers (8), seven new lockwashers (7), and seven
screws (6).
3
Install four comer seals (1) by installing four flat washers (4), four new lockwashers (3), and four screws (2).
5—
1
