14 Detecting anomalies
92
14.2.3 Machine structure
Problem
Cause
Solution
The power or
speed of the
moving parts is
low.
Lack of pressure due to wear on the
hydraulic pump.
(Replace the hydraulic pump).
Pressure drop in the distributor be-
low the set value.
(Check and repair the valves).
Damaged hydraulic cylinder.
(Check and repair).
Insufficient quantity of hydraulic
oil.
Fill the hydraulic oil to the required
level.
Clogged filter.
Clean or replace the filter.
The upper part
does not rotate or
does not rotate
smoothly.
The rotation brake is not unlocked.
Unlock the rotation locking lever.
Insufficient quantity of grease.
Check and lubricate.
Defective rotation brake valve.
(Check and repair).
Defective rotation motor.
(Check and repair).
The hydraulic oil
temperature is
too high.
Insufficient quantity of hydraulic
oil.
Fill the hydraulic oil to the required
level.
Overload
Reduce the load.
The machine
does not move
forward in a
straight line.
Track incorrectly tightened or for-
eign body jammed.
Adjust or clean.
Damaged hydraulic motor.
(Check and repair).
Defective hydraulic pump.
(Check and repair).
Defective safety valve.
(Check and repair).
Sprocket, tightening roller or track-
er roller damaged.
(Check and repair).
[S2PU00027ZE02] [1204CsCshWbYs]
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