3
INSTALLATION
Installation onto Drum Mounted Agitator Units
(refer to page 1 and figure 1, page 5)
1
. Align holes on coupling adapter (30) to the mounting
holes on the stuffing box assembly (17). Secure with
lock washers (23) and hex head bolts (24).
2. Apply medium strength thread lock to set screw (28),
then screw into coupling (26).
3. Align the set screw (28) with the set screw detent on
the drive shaft assembly (27). Tighten set screw.
4. Align coupling (26) with the pin (10) on agitator shaft.
Drop down over agitator shaft (11).
5. Rotate gear reducer (25) and air motor (39) until the
square flats on the drive shaft assembly (27) line up
with the female flats in the bottom of gear reducer (25).
Drop down to top of coupling adapter (30).
6. Align the inlet for the air supply after mounting. This is
accomplished by rotating the gear reducer with air
motor (25 and 39) to the desired position to connect the
air supply. Tighten hex head cap screw (29).
7. Connect the air supply to the air motor.
OPERATION
Before operating air motor, lubricate as covered in next
section. Open valve to main air line; then slowly open air
adjusting valve until agitator turns. To extend air motor
life, adjust air pressure setting to run motor at about one
revolution per second. The agitator should be run contin-
uously while in use.
PREVENTIVE MAINTENANCE
Air Motor Lubrication
Periodically – Remove air adjusting valve and air strainer
and flush motor with a clean suitable solvent. Remove
trapped particles from screen in air inlet and clean air
strainer felt.
Air Motor Gear Box Lubrication
Every 2 Days – Remove oil fill plug and check oil level.
Proper oil level is indicated on outside of gear box hous-
ing. If oil level is low, add 140-weight SAE Gear Oil or
a
high quality worm gear lubricant. Replace pipe plug
and tighten to 20 foot-pounds (27 N-m) of torque.
After first 250 hours of operation, remove gear box and
drain gear oil. Refill gear box with 140-Weight SAE Gear
Oil or a high quality worm gear lubricant. Replace pipe
plug and tighten to 20 foot-pounds (27 N-m) of torque.
Six months or 2500 Operating Hours – Replace gear oil
according to instructions above. Replace gear oil more
often if environment causes oil to become contaminated
during use.
REPLACEMENT OF PARTS
Removal of Air Motor and Gear Box
(refer to figure 1, page 5 – typical assembly.)
1. Turn off valve to main air supply and disconnect air
adjusting valve (38) at nipple (37).
2. Loosen cap screw (29) and remove air motor and gear
box assembly from coupling adapter (30).
Air Motor (refer to figure 2, page 6)
Holes must be drilled for new dowel pins (44) after
assembling front plate (49) on new body (48) for align-
ment of parts.
Do not pry front plate (49) or end plate (43) from air
motor body (48) with a screw driver; this will dent the
surface of the body and plates causing leaks. A puller tool
should be used to remove the plate from the motor body
while maintaining the position of the shaft.
CAUTION
The gear reducer is shipped with a plastic 1/4 NPT plug to
prevent leakage. Make sure the plastic plug on top of the
gear reducer has been replaced with the QS-108 vented oil
fitting (Item No. 55, page 7) before operation.
!
OPERATION AND MAINTENANCE
(continued on page 4)
CAUTION
Failure to properly lubricate the air motor will result in
premature motor failure and will void warranty.
Lubricate air motor daily by adding 4 or 5 drops of SAE 10
weight oil into air inlet fitting. For convenience, an automatic
oiler may be connected to the air inlet.
!
NOTE
Gear box oil is most easily drained just after motor opera-
tion, while oil is still warm.
NOTE
Do not overfill. Overfilling may cause oil to leak out of vent
cap on top of gear box.
Approx. 1/8" gap
(top of oil level to
bottom of fill hole)
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