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PULLEY ALIGNMENT
,_IL_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.
To check pulley alignment, remove the belt guard and place
a straightedge (see A) against the pump flywheel (see B) (See
Fig. 9). Measure and record the distance from the straightedge to
the edge of the drive belt at point C. Then measure the distance
from the straightedge to the edge of the drive belt again at points
D and E. Both distances should be the same as at point C. If D or
E are different from C, there is a misalignment which must be
corrected before the compressor is run. To correct a pulley
misalignment,
use the following procedure.
1.
Remove the belt guard.
2.
Loosen the motor mounting bolts.
3.
Loosen the setscrew on the motor pulley.
4.
Align the motor pulley with the pump flywheel (C-D-E must
be equal ).
5.
Retighten the motor pulley setscrew.
6.
Adjust the proper belt tension.
7.
Retighten the motor mounting bolts.
8.
Reinstall the belt guard. All moving parts must be
guarded.
Motor'
C
Motor
Motor
bolts
Compressor
may yaw from one shown
REPLACING OR CLEANING THE CHECK VALVE
__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.
1.
Turn air compressor off, remove the power cord from the
outlet or lock out the power supply and relieve all the air
pressure from the tank. Make sure the compressor has
cooled down before servicing.
2.
Loosen the compression nut fitting on the check valve and
pump head using an adjustable wrench. Remove the transfer
tube.
3.
Loosen the compression nut fitting on the side of the check
valve and pressure switch using an adjustable wrench.
Remove the bleeder tube.
4.
Making note of the orientation for reassembly, unscrew the
check valve from the tank (counterclockwise)
using a 7/8"
open end wrench.
5.
Using a pencil or screwdriver, carefully push the valve disc
up and down. If the valve disc does not move freely up and
down, the check valve needs to be cleaned or replaced.
6.
Clean the check valve with warm soapy water and make sure
to dry thoroughly before reinstalling. If the disc valve still
does not move freely up and down, it will need to be
replaced.
7.
Apply thread sealant to the check valve threads and reinstall
into the tank by turning clockwise. Make sure it is the same
orientation as when it was removed.
8.
Replace the bleeder tube and tighten compression
nuts.
9.
Replace the transfer tube and tighten compression nuts.
10. Perform the "Break-in of the pump" procedure in the
operating instructions to make sure there are no leaks and
it's working properly.
C_oselposition
Open position
Screwdriver
ot
penc_i
10
200-2792
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