Use and Care Manual
19
English
T = Full
U = Add
R = Oil drain plug
S = Oil level sight glass
Q = Oil fill plug
Fig. 4
Belt Replacement
WARNING: This unit starts automatically. ALWAYS shut off the
main power disconnect, 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. Hot surfaces. Risk of burn. Pump head, and surrounding
parts are very hot, do not touch (see the Hot Surfaces identified
in Fig. 2). Allow compressor to cool prior to servicing.
1. Set the Auto/Off lever to “Off”, shut off the main power discon-
nect, and relieve all air pressure from the air tank.
2. Remove the front of the beltguard by removing the screws (V)
using a Torx T25 bit.
3. Mark motor position on saddle.
4. Loosen the motor
V
mounting screws and
slide the motor toward
the air compressor.
5. Remove the belt and
replace with a new one.
6. See the Adjusting Belt
Tension before tight-
ening motor mounting
screws.
Adjusting Belt Tension
1. Slide motor into original position, line the motor up with the
mark made earlier on saddle.
2. Tighten two outside
Downward Force
Deflection
motor mounting
screws enough to
hold the motor in
place for checking
pulley and flywheel
alignment.
3. The belt should
deflect 1/2” (13 mm)
at midway between
the pulley and the
flywheel when a 10
pound (4.6kg.) weight is applied at the midway point.
3. When proper belt tension is achieved, tighten
all four motor mounting screws. Torque to 20-25 ft-lbs
(27.1–33.9 Nm).
NOTE: Once the engine pulley has been moved from its factory set