TM-9-2320-338-10
TRUCK, CARGO, 8X8, M977A4
TECHNICAL MANUAL; OPERATOR'S MANUAL
OCTOBER 2008
TM-9-2320-338-10 - Page 669 of 1120
AIR HORN
AIR HORN
VALVE LEVER
Figure 2.
CONDITION/INDICATION
Does horn valve lever move freely?
DECISION
No - Notify Supervisor.
Yes - Test 3 - Does air horn operate?
TEST 3 - Does air horn operate?
1.
Start engine, (WP 0044) and allow air pressure to build.
2.
Check air horn for proper operation.
TM 9-2320-338-10
0108
0108-3
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