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W1737/W1738 Owner's Manual (Mfg. 10/09+)
SETUP
Air Hose Installation
Pushyourairsupplyhoseontotheair pressureregulator
inlet fitting, and clamp it in place with a hose clamp as
shown in Figure 10. If you prefer, you can replace the
includedairnozzlewitha3⁄8" male quick connect air
coupling.
When the air hose is installed, pull up and rotate the
regulatorairpressureknobuntilthegaugereads 70PSI
thenpushdown.DONOTattempttoregulate theair
pressurewiththeON/OFFairsupplylever.Thisleveris
theON/OFFairpressuretothemachineonly.
Sanding Belt Installation
Before installing belt, clean the protective grease from
the upper metal sanding belt roller as per the Cleaning
Machine instructions on Page 13.
To install the sanding belt, do these steps:
1. TURN OFF and LOCK your master power switch, but
keep the air pressure going into the machine.
2. Turn and remove the lever and support spacer as
shown in Figure 11.
3. Install the sanding belt so the belt is centered in
the fork (see Figure 12a), and the belt arrows are
pointing in the direction of drum rotation (see Figure
12).
4. Center the belt on the rollers.
5. Reinstall the support spacer and lever.
6. Turn the belt tension knob to the 12:00 position and
the belt will automatically tighten to the correct
tension.Atthe9:00positionthebeltwillhave no
tension.
Figure 10.Airhoseattachedtoregulator.
Figure 11.Leverremoval/installation.
Figure 12. Installing sanding belt left and
right machine view.
Belt
Tension
Knob
TENSION the sanding belt before starting the sander,
and DE-TENSION the belt when sander is not in use, or
you will damage the belt.
NOTICE
Correct Belt Direction
To achieve maximum life of the air system o-rings,
gaskets, and components, keep the air pressure shut
off when not using the sander, and DO NOT exceed
75 PSI.
NOTICE
Make Sure
the Belt is
Centered
In the Fork
Figure 12a