mecalac AX 1000, Operating Instructions Manual

Page: 84 / 144

P070/P071/P085/P086/P100/P101
9-2
9 Faults, causes and remedies
9 Faults, causes and remedies
N O T E
* ) Faults may be eliminated only by authorised personnel
Remedy
See the operating instructions for the
engine
Set drive switch to neutral
position
Press in and lock connection
Replace V-belt
Check V-belt tension, tighten if
necessary
Remove and clean entire pressure-
relief valve, readjust
*
Remove the lock lever (4-8/6)
Open, clean and readjust pressure-
relief valve in control line
*
Storage pressure can be used to bring
the bucket arm to its lowermost position
immediately after an engine failure.
» Does not apply when pipe break
protection is installed «
Remove and clean entire pressure-
relief valve, readjust
*
Replace priority valve *
Replace filter cartridge
(chapter 8.2.12)
Top up oil
Establish or clean connections
according to electric wiring diagram
Clean
Check setting, adjust if necessary *
Check whether electrical traction
drive interruption is connected to
brake lever
Probable cause
Drive switch (4-10/11) is not in neu-
tral position
Loose connection
V-belt torn
Alternator speed too low
Pressure-relief valve in servo valve is
open
Pilot valve for working hydraulics
(4-8/4) is locked
Pilot pressure too low or does not
exist
Diesel engine failed
Pressure-relief valve in steering unit
is open
Slide in priority valve stuck
Clogged filter
Lack of oil in hydraulic oil reservoir
Electrical connection at axial piston
pump are not tight, are not connected
or are oxidised
High-pressure valves soiled
Parking brake does not hold the device
Fault
Engine
Engine does not start.
Alternator does not charge
The bucket arm cannot be lifted/
lowered
Steering is sluggish
Faults in the driving and working
hydraulics
Faults in the braking system