TM 5 -5420-226-20-3
HEU FRONT HARNESS REPLACEMENT (SHEET 1 OF 8 )
PROCEDURE INDEX
PROCEDURE
PAGE
Removal
Installation
TOOLS:
Spanner wrench
1-1/8 inch open end wrench
7/16 in. socket with 1/2 in. drive
Ratchet with 1/2 in. drive
15 in. adjustable wrench
6 inch extension 1/2 inch drive
SUPPLIES:
Silicone compound (Item 10, Appendix B)
Lockwashers (as required)
REFERENCES: TM 5-5420-226-10
PRELIMINARY PROCEDURES: Disconnect t hree battery ground straps (page 10-268)
Remove commander's floor plate (page 17-9)
Remove voltage regulator assembly (page 10-20.1)
Bulkhead cables disconnected (page 10-269)
REMOVAL:
1.
Using spanner wrench, disconnect connector (A) at master
relay (B).
2.
Using spanner wrench, disconnect connector (C) at engine
accessory relay (D).
3.
Using 7/16 inch socket, remove screw (E) and two lockwashers
(F) securing ground strap (G) next to engine accessory relay (D).
4.
Follow branch of harness assembly (H) back along voltage
regulator mounting bracket (J).
5.
Using 7/16 inch socket, remove screw (K) and two lockwashers
(L) securing ground strap (M) at voltage regulator mounting
bracket (J).
6.
Using 7/16 inch socket, remove screws (N) and washers (P)
Securing straps (Q) that retain harness assembly (H).
Go on to Sheet 2
