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Farmer 400
Fav 700
Fav 900
Tractor / General system
Troubleshooting chart for front suspension
B
Faults
09/2000
0000
000002
B
a
1/2
Capitel
Docu-No.
Index
Date
Version
Page
Troubleshooting chart for front suspension
Text-module
Message - symptom - fault
A
Suspension does not rise
B
Suspension does not lower / cannot be locked
C
Suspension rises without valve actuation, i.e. without command
D
Suspension lowers without valve actuation, i.e. without command
E
Suspension is not stable, i.e. constant jerking movements
F
Suspension does not spring up and down
G
Commands are not carried out directly
H
Suspension continues further than command
J
Suspension cannot be calibrated
K
Suspension is activated at slightest change, e.g. pulling away
L
X
likely
possible
Fault
Cause
Action, if
necessary see ...
O
A B C D E F G H J K L
X
Front axle load too
high
X
Raise valve Y014
Fault in coil /
cartridge
X
Lower valve Y013
Fault in coil /
cartridge
X
Raise nozzle Bl 3
Blocked
Visual inspection,
blow through, if nec.
X
Lower nozzle Bl 4
Blocked
Visual inspection,
blow through, if nec.
X
Pressure duct open
Bleed point AV 1/2
open
Check Ma = 20 Nm
X
Leak from B duct
Non-return valve
RV2
Blow through /
replace
X
to P or A
Raise valve SV2
Blow through /
replace
X
Bleed point AV2
Closed? Ma = 20 Nm
X O
Leak
Lower valve SV1
Blow through /
replace
X O
from A duct to T
Bleed point AV1
Closed? Ma = 20 Nm
X O
Non-return valve
DBV-HPS 250 bar
Blow through /
replace
X
Leak in cylinder
Oil flowing between
piston and rod sides
X
200 bar charge pres-
sure not available
Fault in charge valve
MVL/Y012
Generate 200 bar
elsewhere, if nec.
replace
O
Shuttle valve WLS1
leaking / not availa-
ble
This fault would
affect entire
hydraulic system!
X
Accumulator capacity
not available
Fault in diaphragm
accumulator
ASP1/2, ZSP
Replace