Upright TM12 Service & Parts Manual

Page 3-16
Maintenance 3.10 - Hydraulics
TM12 Work Platform - European
S
ETTING
H
YDRAULIC
M
ANIFOLD
P
RESSURES
Reference:• Figure 3-15
NOTE: Check the hydraulic pressures whenever the pump, manifold or relief valves have been serviced
or replaced
MAIN RELIEF VALVE
Figure 3-15:
Hydraulic Manifold
1. Operate the hydraulic system 10
to 15 minutes to warm the oil.
2. Remove the cap or loosen the
locknut on the Main Relief
Valve.
3. Turn the Main Relief Valve
adjustment screw counterclock-
wise two full turns.
4. Place maximum rated load on
the platform (Refer to specifica-
tions].
5. Turn the Chassis Key Switch to
CHASSIS. Position the chassis
Lift Switch to UP position and
hold it there.
6. Loosen locknut or remove cover
on the Lift Relief Valve and
slowly turn the adjustment
screw clockwise until the plat-
form begins to rise.
7. Release the Chassis Lift Switch.
8. Replace the cap, or tighten the locknut on the Lift Relief Valve, and torque to 8 Nm
(6 Ft Lbs).
9. Remove the load from the platform
WARNING !
!
The hydraulic oil may be of sufficient temperature to cause burns. Wear
safety gloves and safety glasses when handling hot oil.
The oil in the hydraulic system is under very high pressure which can easily
cause severe cuts. Obtain medical assistance immediately if cut by
hydraulic oil.
2
7
3
1
4
5
6
9
10
8
1. Steering Valve
2.
Lift Valve
3.
Gage Port
4.
Depression Valve
5.
Forward/Reverse Valve
6.
Counterbalance Valves
7.
Steering Relief Valve
8.
Check Valve
9.
Flow Divider Valve
10.
Main Relief Valve

Upright TM12 Specifications

General

Brand	Upright
Model	TM12
Category	Lifting Systems
Language	English