LX31/41 Electric Work Platform
3-9
M
AINTENANCE
Section
3.9
3.9 S
ETTING
H
YDRAULIC
P
RESSURES
NOTE: Follow Pump Set - Up procedure when-
ever Pump has been replaced, or when
testing performance to isolate possible
failure. Refer to Figure 3-11 for flow meter
set - up.
Pump Motor
Brake Valve
Block
Figure 3-9: Hydraulic Pump
8
2
7
6
5
4
3
1. Steering relief valve
2. Flow Control Valve
3. Lift Solenoid
4. Dump Solenoid
5. Lift Relief Valve
6. High Pressure Test Port
7. Steering Solenoids
8. Lift Test Port
Figure 3-10: Valve Manifold
PRESSURE GUAGE
PUMP
SENSELINE
FLOWMETER
RELIEF VALVE
TANK
TANK
FLOW
CONTROL
VALVE
SIMULATED LOAD
SIMULATED LOAD
Figure 3-11: Flow Meter Set-up
Lift Relief Valve
1. Operate the hydraulic system 10 - 15 minutes to
warm the oil.
2. Remove the cap or loosen the locknut on the Lift
Relief Valve.
3. Turn the Lift Relief Valve adjustment screw coun-
terclockwise two full turns.
4. Place rated load on the platform (Refer to specifi-
cations, Section 1)
5. Depress the Throttle Button, and the Raise But-
ton to lift the platform.
6. Slowly turn the Lift Relief Valve adjustment screw
clockwise until the platform begins to rise.
7. Replace the cap, or tighten the locknut on the Lift
Relief Valve, and remove the load from the plat-
form.
Steering Relief Valves
1. Operate the hydraulic system 10 to 15 minutes to
warm the oil.
2. Install a 0-3000 P.S.I. (0-207 bar) gauge at the
Main Pressure Test Port.
3. Loosen the locknut or remove the cap on the Left
Steer Relief Valve.
4. Turn the adjustment screw two full turns counter-
clockwise.
5. Press the Steering Switch to the left and hold
until the system bypasses.
6. Turn the Steering Relief Valve adjustment screw
clockwise until the gauge reads 1500 P.S.I.
(103,4 bar)
7. Tighten locknut or replace cap on Left Steering
Relief Valve.
8. Repeat process for Right Steering Relief Valve.
Содержание LX31
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Страница 24: ...2 12 LX13 41 Electric Work Platform MACHINE PREPARATION OPERATION Section 2 10 NOTES ...
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