Procedure:
Table:
010
GTH-4013 SX
GTH-4017 SX
30 GTH-4013 SX GTH-4017 SX
Document 57.4403.4200
Section 7 - Repair Procedures
May 2008
TABLE
010
2
4
6
Main valve disassembly
Operation:
1
Remove the central and side cover of the machine
using a 13mm combination wrench.
CAUTION
Before disconnecting any flexible hoses, label
them for an easier reassembly.
2
Disconnect all pipes of the main valve using the
following combination wrenchs: 17 mm, 22 mm,
24 mm. 36 mm, 41 mm
3
Disconnect all wires.
4
Remove the screws fixing the inside cab protection
carter of the main valve.
5
Loosen the locknuts fixing the main valve levers
using a 17mm combination wrench and a 19mm
combination wrench.
6
Remove the three screws fixing the main valve
to the chassis using a 13mm wrench.
7
Remove the main valve from the machine and
place it on to a bench.