CHAPTER 6: MAINTENANCE OF ELECTRICAL SYSTEMS AND CIRCUITS
TM 9-2350-256-20
6-21 REPLACE/REPAIR POWERPLANT WARNING HORN
THIS TASK COVERS
a. Removal
b. Disassembly
c. Assembly
d. Installation
INITIAL SET-UP
Tools:
Parts:
Tool kit, general mechanic's (Appendix C, item 53)
Lockwashers (2) (Appendix G, item 105)
Lockwashers (2) (Appendix G, item 116)
WARNING
Be certain MASTER switch is OFF when working on electrical system to avoid electrical shock and burns.
a. REMOVAL
1 Disconnect two connectors (1) from powerplant
warning horn (2).
2 Remove powerplant warning horn (2) and ground
lead (3) by removing two screws (4) and two
lockwashers (5).
3 Disconnect connector (6) from warning horn relay (7).
4 Remove warning horn relay (7) by removing two
screws (8) and two lockwashers (9).
b. DISASSEMBLY
Disassemble lead (see Chapter 6, Section VII).
c. ASSEMBLY
Assemble lead (see Chapter 6, Section VII).
d. INSTALLATION
1 Install warning horn relay (7) using two screws (8)
and two new lockwashers (9).
2 Connect connector (6) to warning horn relay (7).
3 Install powerplant warning horn (2) and ground
lead (3) using two screws (4) and two new
lockwashers (5).
4 Connect two connectors (1) to powerplant warning
horn (2).
6-54