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TM 5-4210-220-12
4.24 ELECTRICAL SYSTEM - Continued
4-24.14 AC Electrical System.
This task covers
a.
Test
b.
Replacement
c.
Repair
TOOLS
MATERIALS/PARTS
Shop Equipment, Automotive
A40-12 Inverter
Maintenance and Repair,
NSN 4910-00-754-0650
PERSONNEL REQUIRED - 2
EQUIPMENT CONDITION
Main Engine Shutdown
TEST
NOTE
The ac electrical system is designed to operate when the engine is running at speed of 1200 rpm or greater.
The inverter is located in one of the left hand hose body compartments.
(1) Start main engine and set cab mode switch to STRUCT. Control engine speed with hand throttle on
structural panel.
(2)
Adjust throttle control on structural panel until engine speed on cab tachometer indicates 1200 rpm.
(3)
Switch on inverter from cab or structural panel, or on unit itself.
(4)
Connect loads not in excess of 5 kW to the outlets.
(5) Check all 110-Vac loads function correctly and check meter on cab or structural panel
indicates approximately 110 Vac.
(6)
Switch off all loads and unplug all loads from the 110-Vac receptacles.
(7)
Switch off inverter.
(8)
Bring engine speed back to idle and shutdown main engine as detailed in para. 2-10.
4-460
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