John Deere AT-3308-J - Manual (Page 8)

8 8-Inch Vertical Polisher Operator's Manual
Maintenance
LUBRICATION:
An automatic in-line filter-regulator-lubricator is recommended as it increases tool life
and keeps the tool in sustained operation. The in-line lubricator should be regularly
checked and filled with air tool oil. Proper adjustment of the in-line lubricator is
performed by placing a sheet of paper next to the exhaust ports and holding the throttle
open approximately 30 seconds. The lubricator is properly set when a light stain of oil
collects on the paper. Excessive amounts of oil should be avoided.
In the event that it becomes necessary to store the tool for an extended period of time
(overnight, weekend, etc.), it should receive a generous amount of lubrication at that
time. The tool should be run for approximately 30 seconds to ensure oil has been
evenly distributed throughout the tool. The tool should be stored in a clean and dry
environment.
Recommended lubricants: Use John Deere AT-4003 air tool oil or any other high
grade turbine oil containing moisture absorbent, rust inhibitors, metal wetting agents
and an EP (extreme pressure) additive.
Operation
PRE-OPERATION:
Before the tool is connected to the air supply, clear the air hose of accumulated dust
and moisture. Before removing a tool for service or changing accessories, make sure
the air line is shut-off and drained of air. This will prevent the tool from operating if the
throttle is accidentally engaged.
OPERATION:
This model is designed for applications requiring slower speeds such as sanding and
polishing. The built-in regulator is located on the opposite side of the throttle lever.
Turn screw to change the speed for each job application.
Install the dead handle by threading it into the opening in the motor housing. The dead
handle assists in the operation and allows the exhaust to be directed away from the
work surface. The plate and any accessories should be held with the pad nut. Once
the pad is secured, the proper size and grit of paper may be put on pad. If the paper
must be trimmed, leave approximately 1/4" of paper overhang to cover the edges of
the pad.
In a polishing applications, the backing plate should be threaded onto the spindle, the
bonnet placed over the plate and then both held on with the pad nut. Using wrench
supplied to hold spindle, make sure that the pad nut is tight and recessed far enough
where it will not come in contact with the work surface while polishing.