TM 9-2330-235-14&P
4-32.
HYDRAULIC BRAKE SYSTEM LINES AND FITTINGS REPLACEMENT (M390C).
This Task Covers:
a. Removal
b. Installation
Initial Setup.
Equipment Conditions:
Materials/Parts:
Rags (Item 12, Appendix E)
Trailer parked on level surface with handbrakes
Three lockwashers
Tools/Test Equipment:
General mechanic's tool kit
Common no 1 shop set
Drain pan
a.
REMOVAL
NOTE
If removing lines from multiple connector on axle to wheels, perform steps 1 through 8, 11, and
12.
If removing hose from master cylinder to multiple connector on axle, perform steps 9 and 10.
A suitable container should be used to catch any draining brake fluid. Ensure that all spills are
cleaned up.
1. Place a suitable container under tube assembly (1) at rear of backing plate.
Disconnect tube assembly from
multiple connector (3) and allow brake fluid to drain into container
2. Place a suitable container under tube assembly (16) at rear of backing plate Disconnect tube assembly from
multiple connector (14) and allow brake fluid to drain into container.
3. Disconnect tube assembly (1) from multiple connector (9) on axle.
4. Remove screw (8), lockwashers (7), and clamp (6) securing tube assembly (1) to axle Remove tube assembly
Discard lockwashers.
5. Disconnect tube assembly (16) from multiple connector (9) on axle.
6. Remove two screws (8), lockwashers (7), and clamps (6) securing tube assembly (16) to axle Remove tube
assembly Discard lockwashers.
7. Remove fluid passage bolt (5), shouldered washer (4), multiple connector (3), and spacer (2) from multiple
connector on backing plate.
8. Remove fluid passage bolt (12), shouldered washer (13), multiple connector (14), and spacer (15) from multiple
connector on backing plate
9. Place a suitable container under master cylinder (19) Disconnect hose (18) from reducer (20) and allow brake fluid
to drain into container.
10.
Disconnect hose (18) from connector (9) and remove hose.
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