Operating instructions (Version F)
46
ST 1082 & ST 1100
6.
Check for oil leaks, damage, and wear and tear. Check electrical cables and
connectors for damage.
7.
If dry, lubricate piston-rod with machine oil.
8.
Spray potentiometer adjusting rod with acid-free vaseline.
6.3.5 Checking the pallet lift cylinder(s)
With the pallet lifting mechanisms fully raised, hoist a vehicle of at least 8,800 lbs
approximately 4". Then check at the rear side of each column lift whether it is on the
floor.
6.3.6 Maintenance switches
Switches can be found in the control panel that can be operated by the fitter during
maintenance to the lifting system. These switches can be used to check whether the
lowering valve, the unlocking solenoid and the hydraulic power unit are functioning
properly.
As soon as the switches are pressed, the system produces an error. Pressing
<SELECT> and <UNLOCK> continuously for 2 seconds resets the system. The
switches can be used to check that the lowering valve, the unlocking solenoid and
the hydraulic power unit are functioning properly.
Table 6.2
Maintenance switches
Switch
Description
Function
<UP>
Lifting
Operates the relay for the electric
motor of the lifting column
controlled by this switch. Has to
be activated together with <MS>
to raise the lifting column.
<MS>
Main relay
This operates the main relay.
<DWN>
Lowering and unlocking
Controls the lowering valve and
the solenoid for unlocking the
column on which this switch is
operated. Has to be activated
together with <MS> to lower the
lifting column.
