Slewing Speed Is Low, Or There Is No Power - Takeuchi TB53FR Workshop Manual

SLEWING

SLEWING SPEED IS LOW, OR THERE IS NO POWER.

Is the time needed for
1
slewing within the stan-
dard?
Not within the standard
2 Inspect the pilot valve.
Normal
Inspect the operation of
3
the spool.
Normal
Inspect the slew hydrau-
4
lic pressure.
Normal
Inspect the check valve
5
of the slew brake valve.
Normal
Inspect the slew motor
6
drainage amount.
Normal
Inspect the slew reduc-
7
tion gear.
Normal
The slew bearing is faulty.
Within the standard.
Faulty
Faulty
Pressure is low.
Adjust the pressure of
the slew relief valve.
Faulty
Faulty
Faulty
V-25
TROUBLESHOOTING
Repair or replace the pilot
valve.
Repair or replace the housing
block.
Adjust the set pressure.
Pressure does not rise.
Repair or replace the slew re-
lief valve.
Repair or replace the slew
brake valve.
Repair or replace the slew
motor.
Repair or replace the slew re-
duction gear.
Normal
Replace.
TB53FR