TM5-3820-256-10
Section IV. RIG TENDER TROUBLESHOOTING PROCEDURES
3-23.
Crane. Troubleshooting procedures for the crane and crane components are listed in table 3-16.
a. The table lists the common malfunctions that you may find during the operation or maintenance of the crane or its
components. You should perform the tests/inspections and corrective actions in the order listed.
b. This manual cannot list all malfunctions that may occur, nor all tests/inspections and corrective actions. If a
malfunction is not listed or is not corrected by listed corrective action, notify your supervisor.
Table 3-16. Troubleshooting the Crane
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
UNIT WILL NOT
Step 1. Check to see if truck
Engage truck power take-off.
OPERATE.
power take-off is engaged.
Step 2. Check that crane
Turn switch on.
control power switch in cab
is turned on.
Step 3. Check to see if fluid
Add fluid as needed.
level in hydraulic reservoir
is low.
2.
WINCH WILL
Step 1. Check that loads
Lighten the load, raise boom
NOT PICK UP
weight is lower than cranes
angle, retract boom extension,
A LOAD.
capacity.
or rig a 2-part line.
Step 2. Check to see if
Increase engine speed.
truck engine is running at the
correct speed for pump oper-
ation.
Step 3. Check to see if fluid
Add fluid as needed.
level in hydraulic reservoir is
low.
3.
BOOM MOVEMENT
Step 1. Check to see if truck
Increase engine speed.
IS SLOW
engine is running at the correct
speed for pump operation.
Step 2. Check to see if
Add fluid as needed.
fluid level in hydraulic reser-
voir is low.
4.
BOOM MOVEMENT
Check to see if fluid level
Add fluid as needed.
IS ERRATIC.
in hydraulic reservoir is low.
5.
RELIEF VALVE
Step 1. Check that loads
Lighten the load.
IS NOISY.
weight is lower than cranes
capacity.
3-62
