TM 9-2320-272-24-l
3-190. FRONT LIMITING VALVE REPLACEMENT
THIS TASK COVERS:
b. Installation
a. Removal
INITIAL SETUP:
APPLICABLE MODELS
REFERENCES (TM)
All
TM 9-2320-272-10
TM 9-2320-272-24P
TOOLS
EQUIPMENT CONDITION
General mechanic's tool kit (Appendix E, Item 1)
Parking brake set (TM 9-2320-272-10).
MATERIALS/PARTS
Air reservoirs drained (TM 9-2320-272-10).
Two locknuts (Appendix D, Item 299)
GENERAL SAFETY INSTRUCTIONS
Antiseize tape (Appendix C, Item 72)
Do not disconnect air lines before draining air
reservoirs.
Do not disconnect air lines before draining air reservoirs. Small
parts under pressure may shoot out with high velocity, causing
injury to personnel.
Tag air lines for installation.
Scribe fitting directions for installation.
1.
Disconnect two front service brake control lines (4) from tee (6).
2.
Disconnect doublecheck valve No. 1 control line (1) from adapter (2).
3.
Disconnect vent line (11) from elbow (6).
4.
Remove two locknuts (9), screws (7), and limiting valve (10) from mounting bracket (8). Discard
locknuts (9).
5.
Remove tee (5), elbow (6), and adapters (2) and (3) from limiting valve (10).
Wrap all male pipe threads with antiseize tape before installation.
1.
Install adapters (3) and (2), tee (5), and elbow (6) on limiting valve (10).
2.
Install limiting valve (10) on mounting bracket (8) with two screws (7) and new locknuts (9).
3.
Connect vent line (11) to elbow (6).
4.
Connect doublecheck valve No. 1 control line (1) to adapter (2).
5.
Connect two front service brake control lines (4) to tee (5).
3-522
