Poweramp CHALLENGER HYDRAULIC 11_96 - Manual (Page 15)

SERVICING UNDER THE DOCKLEVELER
If the maintenance to be performed requires access to the unit from the pit, support
the dockleveler platform and lip with the maintenance prop. Position the prop
behind the front header plate of the platform as illustrated in figure 20. Stay clear of
the lip. The lip will fold after the platform has rested on the maintenance prop.
PREVENTIVE MAINTENANCE
14
MAINTENANCE PROP
FRONT HEADER PLATE
Figure 20
WARNING
Always barricade the work
area to prevent unautho-
rized use of the unit before
maintenance is complete.
Always lock off all electri-
cal disconnects after
raising platform and setting
maintenance prop when
service under the unit is
required. More than one
electrical disconnect
switch may be required to
de-energize the equip-
ment.
Always stand clear of the
dockleveler lip when
working in front of the unit.
To assure normal operation of the unit, the following hydraulic fluids are
recommended:
• Aero Shell fluid #4 Code #60421 by Shell Oil Co.
• Mobil Aero HFA Mil-Hs606A by Mobil Oil Co.
• Texaco Type BB
• Filmite No. 530
• Exxon "Univis J13"
Use of hydraulic fluids with equivalent specifications to those listed above are
acceptable. Use of fluids that do not have equivalent specifications will result in
abnormal operation of the unit and possible voiding of warranty.