Takeuchi TB215R - Spanner Cylinder Does Not Move or Lacks Force

1
5
SPANNER
TROUBLESHOOTING
5G8AX001SPANNER
Spanner
Spanner cylinder does not move or lacks force
1
Check
the operation of
actuators other than the
spanner cylinder
Normal
2
Check
the spool opera-
tion
Faulty
Repair
orr
eplace
thehousing
block
Normal
3 Check
thelinkage
Faulty
Adjust, r
epair or replace
Normal
4
Check
the supply pres-
sure of the control valve
Faulty
Repair
orr
eplace
thehousing
block
Normal
5 Check the swivel joint
Faulty
Repair
or replace the swivel
joint
Normal
Spanner cylinder is faulty
Repair
or replace the spanner
cylinder
Switching
 between the blade cylinder operation and the
spannercylinderoperationcanbedonebyoperatingthe
lever
.
Ther
efore,
checkingpr
ocedure
forthespannercylin
-
der is similar to that for the blade cylinder.
“5.Troubleshooting,Dozerblade”
1.
C
heck
the operation of actuators other than the
spanner cylinder.
2.
C
heck the spool operation.
“5.Troubleshooting,Traveling,Rightorlefttravelis
impossible, 2. Check the spool operation”
3. Check the linkage.
“5.Troubleshooting,Traveling,Rightorlefttravelis
impossible,3.Checkthelinkage”
4. Check the supply pressure of the control valve.
Disconnect
one of the hoses connected to the control
valve
housingblock(spanner).Fitthepr
essure
gauge
tothehosejustdisconnected.Operatethelever(span
-
ner)
andcheckthesupplypr
essure
ofthevalve.

• If
the value indicatedisnot as below
,
the housing
block is faulty.

 Supply
pr
essure:

20
.0MPa(2900PSI)