SECTION 2 - GENERAL
3121781
2-7
Changing Hydraulic Oil
1.
Use of any of the recommended hydraulic oils elim-
inates the need for changing the oil on a regular
basis. However, filter elements must be changed
after the first 50 hours of operation and every 300
hours thereafter. If it is necessary to change the oil,
use only those oils meeting or exceeding the speci-
fications appearing in this manual. If unable to
obtain the same type of oil supplied with the
machine, consult local supplier for assistance in
selecting the proper equivalent. Avoid mixing
petroleum and synthetic base oils. JLG Industries
recommends changing the hydraulic oil annually.
2.
Use every precaution to keep the hydraulic oil
clean. If the oil must be poured from the original
container into another, be sure to clean all possible
contaminants from the service container. Always
clean the mesh element of the filter and replace the
cartridge any time the system oil is changed.
3.
While the unit is shut down, a good preventive
maintenance measure is to make a thorough inspec-
tion of all hydraulic components, lines, fittings, etc.,
as well as a functional check of each system, before
placing the machine back in service.
Lubrication Specifications
Specified lubricants, as recommended by the compo-
nent manufacturers, are always the best choice, how-
ever, multi-purpose greases usually have the qualities
which meet a variety of single purpose grease require-
ments. Should any question arise, regarding the use of
greases in maintenance stock, consult your local sup-
plier for evaluation. Refer to Section 1 for an explanation
of the lubricant key designations appearing in the Lubri-
cation Chart.
2.5
SERVICE MAINTENANCE COMPONENTS
Setting Scissor Arm Safety Prop
THE SAFETY PROP MUST BE USED WHENEVER MAINTENANCE PER-
FORMED ON THE MACHINE REQUIRES THE SCISSOR ARMS TO BE
RAISED.
1.
To engage the safety props, raise the unloaded
platform high enough to allow the safety props to
rotate vertically into position. (See Figure 2-1.)
2.
Rotate the rod keeper plate and release the safety
prop actuator rod at the front of the machine. (See
Figure 2-2.)
3.
Lift the actuator rod (flat) up out of the slot in the
keeper plate bracket and pull the actuator rod to
align the safety props vertically with the scissor arm
center pins above and below the safety prop
mounting pins.
4.
Set the actuator rod (flat at the set position) into
the slot on the keeper plate bracket and rotate the
keeper plate to lock the actuator rod in this posi-
tion.
5.
Lower the platform arms until the safety prop rests
on the scissor arm center pin mounts above and
below the safety prop.
Maintenance can now begin.
To store the safety prop, raise the platform, release
the actuator rod from the keeper plate bracket, push
the safety prop rod so that the safety props are
Figure 2-1. Scissor Arm - Safety Prop Assembly
1.
Actuator Rod/Rod Keeper Plate.
2.
Safety Prop in set position.
3.
Safety Prop in stowed position.
1
Summary of Contents for 530LRT
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