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TM 9-2320-364-20-2
2-1582
48. LOW AIR LIGHT AND LOW AIR/HYDRAULIC OIL ALARM DO NOT OPERATE.
INITIAL SETUP
1.
Repair wire 1120
(see schematic
Fig 2-28) or notify DS
Maintenance.
Verify repair, go to
Step 2 of this Fault.
START
YES
NO
Nothing.
Wire 1120 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If wire 1120 is loose or faulty,
LOW AIR light and LOW
AIR/HYDRAULIC OIL alarm will
not be grounded.
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 1120 between low air
switch and low air lamp
socket?
WARNING
Read WARNING
on Page 2-1583
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