TM-5-2330-378-14-P
SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1
TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
JUNE 1999
TM-5-2330-378-14-P - Page 127 of 524
TM 5-2330-378-14&P
4-16. TROUBLESHOOTINGCHART(continued).
c.
GOOSENECK
(1) GOOSENECK WILL NOT RAISE OR LOWER.
Initial Setup:
Tools/Test
Equipment:
- Parking brake applied (see operator's
manual for
- Tool kit, general mechanic's:
automotive
towing vehicle).
(item 7, Appendix B)
- Wheels chocked (para 2-10).
Equipment Conditions:
-Semitrailer
coupled to towing vehicle.
Engineoff
(see operators
manual for towing vehicle).
A.
Check to see if two locking pins (1) are removed.
Are locking pins (1) removed?
3
F
Remove two locking pins (1) (pare 2-10)
p;
oblem is solved.
B.
Check each of two hinge joints (2) for dirt or
stones that could cause hinge joint to jam.
0
Is either hinge joint (2) jammed?
0
Clean hinge joints (2). Verify problem is
C.
Check eight hinge pins (3) for damage or binding.
Are any hinge pins (3) damaged or binding?
0
1
2
Verify that problem still exists.
Notify Direct
Rupport maintenance.
3
1. If any hinge pins (1) are binding, lubricate
(Appendix J).
2. If any hinge pins (1) are damaged, notify
Direct Support
maintenance.
END OF TASK
4-39
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