Takeuchi TB215R Workshop Manual

TROUBLESHOOTING
BOOM
1
5
BOOM 5G0AX001
BOOM
The boom cylinder does not move
1. Check the operation of actuators other than of the
boom cylinder.
Determine if only the boom cylinder is faulty by
checking the operation of actuators for the devices
listed in the table on the right. If one of them is faulty,
check the main relief valve and the hydraulic pump
(main).
“5. Troubleshooting, Overall machine, All sys-
tems working, but insufficient force”
1
Check the operation of
actuators other than of
the boom cylinder.
Normal
2 Check the pilot valve.
Faulty
Repair or replace the pilot
valve.
Normal
3
Check the spool opera-
tion.
Faulty
Repair or replace the housing
block.
Normal
4
Test by replacing the port
relief valve.
Problem solved
The port relief valve is
faulty.
Repair or replace the port re-
lief valve.
Normal
5 Check the boom cylinder.
Faulty
Repair or replace the boom
cylinder.
Lever to operate
Device to check
Relief valve Pump
Right travel R1 P1

Takeuchi TB215R Specifications

General

Brand	Takeuchi
Model	TB215R
Category	Excavators
Language	English