TM 9-2330-357-14&P
4-23. MASTER RELAY BOX REPLACEMENT.
This Task Covers:
a. Removal
c. Installation
b. Cleaning and Inspection
Initial Setup:
Equipment Conditions:
Materials/Parts:
Slave cable disconnected from semitrailer
Rags (Item 14, Appendix E)
Two lockwashers
Access cover removed (para 4-58).
Tools/Test Equipment:
General mechanic's tool kit
a. REMOVAL
1.
Disconnect three cables from three
connectors (4).
2.
Remove two screws (1), lockwashers (2), and
master relay box (3). Discard lockwashers.
b. CLEANING AND INSPECTION
1.
Clean all parts with a clean rag.
2.
Inspect for loose, missing, or damaged
hardware.
3.
Inspect connections for broken, loose, bent, or
missing pins, or cracked connector bodies.
4.
Inspect master relay box for cracks, rust, and
corrosion.
c. INSTALLATION
1.
Install master relay box (3) to semitrailer with
two new lockwashers (2) and screws (1).
2.
Connect three cables to three connectors (4).
FOLLOW-ON TASKS:
* Install access cover (para 4-58).
TA706447
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