1
5
AUXILIARY HYDRAULICS (1ST)
TROUBLESHOOTING
5G6AX001
1
Check
the operation of
actuators other than the
auxiliary lines
Normal
2
Check
the spool opera-
tion
Faulty
block
Normal
Faulty
Adjust, r
epair or replace
Normal
4
Check
the supply pres-
sure of the control valve
Faulty
block
1.
C
heck
the operation of actuators other than the
auxiliary lines.
the
operation of actuators for the devices listed in the
2. Check the spool operation.
impossible, 2. Check the spool operation”
3. Check the linkage.
4. Check the supply pressure of the control valve.
Disconnect
one of the hoses connected to the control
the valve.
block is faulty.
21
3046
auxiliary hyDraulicS (1ST)
Prescribed pressure is not supplied to the auxiliary lines.
Lever to operate
Device to check
Relief valve
R2
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