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TM 5-4320-305-24
3-9.
REPLACE/REPAIR COOLING AIR BLOWER AND COOLING AIR DUCTING
This task covers:
a. Removal
c. Cleaning/Inspection/Repair
e. Installation
b. Disassembly
d. Assembly
f. Operational Check
INITIAL SETUP
Tools
Equipment
Condition
Shop equipment, automotive maintenance
Para
Condition Description
and repair, common no. 1
Engine shut down and cool.
Tool kit, general mechanics automotive
2-22
Air duct and right side panel removed.
Materials/Parts
2-25
Blower V-belt removed.
Crocus abrasive cloth (Item 1, Appendix C)
2-27
Crankcase breather removed.
Diesel fuel oil (Item 6, Appendix C)
3-8
Lube oil cooler removed.
Emery abrasive cloth (Item 2, Appendix C)
3-12
Fuel injection and return lines removed.
Grease (Item 8, Appendix C)
General Safety Instructions
Well-ventilated area.
REMOVAL:
1
Loosen three fasteners (1) and remove air cowling top (2).
2
Remove four bolts (3), four washers (4), and four nuts (5) that secure air guide ring (6) to blower jacket. Remove air
guide ring and assembled sealing brush (7) and sealing section (8).
3
Disassemble sealing brush (7) and sealing section (8) from air guide ring (6) by removing bolts (9), washers (10),
and pipe clips (11).
4
Remove four bolts (12), one nut (13), and four washers (14) from cooling air blower (15).
5
Remove cooling air blower (15) from inside cooling air ducting.
6
Cut ether line (16) close to fitting (17). Remove ether line from front stay plate (18). Remove fitting from suction
pipe (19).
7
Remove four bolts (20), one nut (21), five washers (22), and five lockwashers (23) that secure front stay plate (18) to
engine. Remove stay plate.
8
Remove seven bolts (24), one nut (25), seven spring lockwashers (26), and seven washers (27) that secure rear
stay plate (28) to engine. Remove rear stay plate.
9
Remove three bolts (29) and three washers (30) that secure air cowling base
(31) to engine. Remove base.
10
Remove eleven bolts (32) and eleven lockwashers (33) that secure baffle mounting plate (34), and remove plate.
3-42
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