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TM 5-4320-305-24
2-27. REPLACE/REPAIR CRANKCASE BREATHER
This task covers:
a. Removal
c. Installation
b. Repair
INITIAL SETUP
Tools
Equipment
Condition
Shop equipment, automotive maintenance
Para
Condition Description
and repair, common no. 1
Tool kit, general mechanics automotive
Engine shut down and cool.
References
Para 2-22 Replace/Repair Engine Cover;
Replace Intake Duct Assembly
REMOVAL:
1 Remove engine side panel.
2 Unscrew cotter pin (1) by turning clockwise.
3 Remove hose fastener (2) and hose strap (3). Pull hose (4) from retaining plate (5).
4 Remove bolt (6), spring lockwasher (7), and washer (8) that secure breather (9) to the engine. Remove breather
from crankcase.
5 Remove screw (10) and washer (11) that secure retaining plate (5) to the oil pan. Remove the retaining plate.
REPAIR:
1 If breather (9) is blocked, remove debris. Replace if damaged.
2 If hose (4) is damaged, replace.
INSTALLATION:
1 Assemble hose (4), hose strap (3), and hose fastener (2) on breather (9).
2 Insert cotter pin (1) in hose fastener and tighten snugly but not too tight. Overtightening hose fastener will crimp
or damage hose (4).
3 Install retaining plate (5) using screw (10) and washer (11). Make sure retaining plate is securely fastened to
crankcase.
4 Slide hose (4) into the retaining plate (5).
5 Secure breather (9) on crankcase and shield, using bolt (6), spring lockwasher (7), and washer (8).
6 Attach engine side panel.
2-107
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