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MAINTENANCE
__ To avoid personal injury, always shut off
and unplug the compressor and relieve all air pressure
from the system before performing any service on the air
compressor.
Regular maintenance will ensure trouble-free operation.
Your electric powered air compressor represents high-quality
engineering and construction; however, even high-quality
machinery requires periodic maintenance. The items listed below
should be inspected on a regular basis
DRAINING THE TANK
,__Condensation will accumulate in
the tank. To prevent corrosion of the tank from the
inside, this moisture must be drained at the end of
every workday. Be sure to wear protective eyewear.
Relieve the air pressure in the system and open the
petcock on the bottom of the tank to drain.
CHECKING THE OIL
To check the oil level in the pump, unscrew the dipstick
and wipe off oil. Screw the dipstick all the way in and then
unscrew. The pump oil level should be between between add
(see C) and full (see B). Replace the dipstick. Do not overfill
or underfill.
NOTE: Use synthetic, non-detergent air compressor oil.
CHANGING THE OIL
Remove the oil plug (see A) and drain the oil until it slows to
a drip, then close. Add compressor oil (approx. 18 oz.) until it is
between full (see B) and add (see C) when the dipstick (see D) is
screwed completely into the hole. Never overfill or underfill the
pump.
NOTE: The compressor is pre-fitted with synthetic oil. Use
synthetic, non-detergent air compressor oil.
ADJUSTING DRIVE BELT TENSION
__ RISK OF INJURY. This unit starts
automatically. ALWAYS shut off the compressor,
remove the plug from the outlet, and bleed all
pressure from the system before servicing the
compressor, and when the compressor is not in use.
Do not use the unit with the shrouds or belt guard
removed. Serious injury could occur from contact
with moving parts.
Proper belt tension and pulley alignment must be maintained
for maximum drive efficiency and belt life. The correct tension
exists if a deflection (see A) of 112" (13 mm) occurs by placing 5
lbs (2.3 kg) of force (see B) midway between the motor pulley
and the pump flywheel (See Fig. 8). This deflection can be
adjusted by the following procedure. The pulley should be
carefully aligned with the flywheel, and all setscrews should be
kept tight.
1. Remove the belt guard.
2. Loosen the motor mounting bolts.
3. Shift the motor to the point where the correct
deflection exists (A & B).
4. Retighten the motor mounting bolts.
5. Check to ensure that the tension remained correct.
6. Reinstall the belt guard. All moving parts must be guarded.
Motor
Fig. 8
B = Full
C = Add
Fig. 7 A
BELT TENSION AND PULLEY ALIGNMENT
__ To avoid personal injury, always shut off
and unplug the compressor and relieve all air pressure
from the system before performing any service on the air
compressor.
NOTE: Drive belt tensioning and pulley alignment are done
at the same time. They are discussed separately for clarity.
Motor
Motor
bolls
Pump
F_ywhee_
Compressor may vory from one shown
200-2792 9