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
M
AIN
R
ELIEF
V
ALVE
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
W A R N I N G
!
!
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
Summary of Contents for TM12
Page 1: ...TM12 ...
Page 10: ...Page VI Table of Contents List of Tables TM12 Work Platform European NOTES ...
Page 60: ...Page 3 34 Maintenance 3 18 Torque Specifications TM12 Work Platform European NOTES ...
Page 74: ...Page 5 6 Schematics 5 3 Hydraulic Tm12 Work Platform European NOTES ...
Page 79: ...Page 6 5 Illustrated Parts Breakdown TM12 Work Platform European NOTES ...
Page 81: ...Page 6 7 Illustrated Parts Breakdown Basic Assembly TM12 Work Platform European ...
Page 88: ...Page 6 14 Illustrated Parts Breakdown Hose Kit TM12 Work Platform European ...
Page 101: ......