 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|
 TM 9-2320-364-34-1
2-15. MATERIAL HANDLING CRANE TROUBLESHOOTING (CONT).
21. CRANE FAILS LOAD TEST.
INITIAL SETUP
Tools and Special Tools
Personnel Required
Tool Kit, General Mechanic's
Two
(Item 240, Appendix F)
OSS Tester (Item 142, Appendix F)
References
TM 9-2320-364-10
Protractor, Magnetic (Item 170, Appendix F)
Tape Measuring (Item 235, Appendix F)
Equipment Condition
Test Weight, 3890 to 3910 lbs (1766 kg)
Engine OFF, (TM 9-2320-364-10)
Test Weight, 4280 to 4300 lbs (1943 kg)
Parking brake applied, (TM 9-2320-364-10)
Materials/Parts
Wheels chocked, (TM 9-2320-364-10)
Cable Tie (2) (Item 9, Appendix B)
Outriggers down with weight off vehicle
Sealing Compound (Item 62, Appendix B)
suspension, (TM 9-2320-364-10)
Wire, Nonelectrical (Item 79, Appendix B)
Packing, Preformed (4) (Item 357, Appendix E)
START
1.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Unit Troubleshooting
Operation test.
on Page 2-676 & 2-677
tasks completed.
Crane operates.
REASON FOR QUESTION
Does test unit display come
POSSIBLE PROBLEMS
If green ground wire from
on when crane is turned on?
overload sensing system (OSS)
Harness faulty.
box top connector to crane
Hoist proximity sensor faulty.
junction box, terminal 18 is
OSS box out of calibration.
faulty, test unit display
OSS box faulty.
will not come on.
Repair wire (see
schematic Fig 2-7) or
replace harness
NO
(Para 6-29).
Verify repair, go to
Step 14 of this Fault.
YES
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals