
O p e r a t i o n a n d M a i n t e n a n c e
Problem
Causes
Solutions
The smaller
sections of the
boom extend
before the larger
sections
The sequence
valve is not
adjusted
properly
Adjust the sequence valve (see Section 4.4.3
Adjusting the sequence valve (SCCA-LAN)).
The boom extends
by itself with a load
on the underlift or
retracts by itself
with a load on the
winch cables
There is an
external oil leak
Repair any external oil leaks.
The
counterbalance
valve is not
adjusted
properly
Adjust the counterbalance valve (see Section 4.4.2
Adjusting the counterbalance valves (CBCG-LJN)).
The boom
cylinder is faulty
Check the boom cylinder and have it repaired or
rebuilt (see Section 5.2 Checking the boom cylinder).
The levelling
system does not
level the wrecker
correctly
The outriggers
do not touch the
ground
Ensure that ONLY the outrigger feet touch the
ground.
The levelling
system is not
calibrated
For wreckers with a display, recalibrate the levelling
system in the display (see the manual for your
touchscreen model).
Sensor problems
(displayed on the
touchscreen
interface)
The sensor is not
calibrated
properly
Adjust the sensor in the touchscreen interface (see
the manual for your touchscreen model).
153
Sliding Rotator Wreckers – Operation and Maintenance
Models: CSR50 - CSR65 - CSR85
REV. 0
SEPTEMBER 19, 2022