1
Faulty
pump
Normal
2 Check the fuse
Faulty
Replace the fuse
Normal
Check the limit switch
Faulty
Adjust or replace the limit
switch
Normal
4
Check the lever lock sole-
noid valve
Faulty
Repair or replace the lever
lock solenoid valve
Normal
5
Check the pilot relief
valve
Faulty
Repair or replace the pilot re-
lief valve
Normal
6 Check the pilot valve
Faulty
Repair or replace the pilot
valve
1. Check the gear pump (P4)
pressure to the pilot valve.
-
ton.
necessary.