TM-9-2320-343-10
TRUCK, CARGO, 8X8 M985A4 W/WINCH AND M985A4 W/O WINCH
TECHNICAL MANUAL; OPERATOR'S MANUAL
OCTOBER 2008
TM-9-2320-343-10 - Page 723 of 1128
OPERATOR MAINTENANCE
BOOM WILL NOT TELESCOPE IN OR OUT
INITIAL SETUP:
Equipment Condition
Vehicle setup for crane operations.
(WP 0038)
TROUBLESHOOTING PROCEDURE
BOOM WILL NOT TELESCOPE IN OR OUT
TEST 1 - Does boom telescope in or out after checking for overloaded condition?
NOTE
Common problems that crane operators may see are:
1.
Slow or abnormal operation.
2.
Crane will not pick up load.
Common causes of problems are:
1.
Cold hydraulic fluid (slow operation).
2.
Low engine speed (slow or abnormal operation).
3.
Operating two craning functions at the same time (slow operation).
4.
Load too heavy (crane will not pick up load).
5.
Air in cylinder or hoist motor (abnormal operation).
Report all problems to organizational maintenance.
1.
Check that load is not over load limit. If load is found to be over limit, reduce weight to
below load limit.
TM 9-2320-343-10
0121
0121-1
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