Service Training
Section
2.7
Page
2
2.7.4
CONTROL VALVE
2.7.4.1
REMOVING THE CONTROL VALVE
- Lower the fork carriage and tilt the mast forward.
- Release the pressure in the hydraulic system.
- Tilt the overhead guard to the 2nd detent.
- Disconnect the hydraulic lines to the control valve.
- Remove connectors 2X4, 2X5, 2X6 and 2X8 at the bottom of the control valve.
- Loosen the grub screw on the linkage rods from the control levers to the control valve and remove the rods.
- Unscrew the three hexagonal screws on the back of the control valve and remove the control valve.
2.7.4.2
ADJUSTING THE PRESSURE-RELIEF VALVE
The pressure-relief valve is installed in the control valve block end plate.
- Install a pressure gauge on the working hydraulics (if equipped with auxiliary hydraulics, preferably at the
quick-disconnect coupling)
- Remove the cap (1) on the adjusting screw (2).
- Loosen the locknut (3) on the adjusting screw (2).
- Operate the control lever for the working hydraulics.
- Set the pressure at the adjusting screw (2) according to the table.
Pressure settings:
E20/25
E30
Standart
mast type 163*
170 +5 bar
190 + 5 bar
Duplex
mast type 164
170 +5 bar
195 + 5 bar
Triplex
mast type 165
180 +5 bar
205 + 5 bar
* not for E 20
E20
E25
Standard
mast type 183
190 +5 bar
165 +5 bar
Duplex
mast type 183
205 +5 bar
165 +5 bar
Triplex
mast type 183
215 +5 bar
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Summary of Contents for 336 Series
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