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TM 9-2320-364-20-2
2-1568
46. LOW AIR/HYDRAULIC OIL ALARM DOES NOT OPERATE.
INITIAL SETUP
1.
Repair wire 1276
(see schematic
Fig 2-28) or replace
harness (Para 7-14).
Verify repair, go to
Step 4 of this Fault.
START
YES
NO
Low air warning light operates.
Wire 1276 faulty.
Wire 1120 faulty.
Rectifier M66 faulty.
Buzzer faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If wire 1276 is loose, faulty, or
shorted to ground, buzzer will
not receive 10 to 14 vdc from
voltmeter.
2-20. ELECTRICAL SYSTEM TROUBLESHOOTING (CONT).
Tools and Special Tools
Tool Kit, General Mechanic’s: Automotive
(Item 74, Appendix G)
STE/ICE-R (optional) (Item 3, Appendix G)
Multimeter (Item 44, Appendix G)
Equipment Condition
Engine OFF, (TM 9-2320-364-10)
Parking brake applied, (TM 9-2320-364-10)
Wheels chocked, (TM 9-2320-364-10)
References
TM 9-2320-364-10
TM 9-4910-571-12&P
Is continuity measured on
wire 1276 between voltmeter
(12V) and buzzer?
WARNING
Read WARNING
on Page 2-1569
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