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15
10.0 User-maintenance
For safety, turn switch to OFF and remove plug from
power source outlet before performing maintenance
on the grinder/sander.
If the power cord is worn, cut or damaged in any
way, have it replaced immediately.
10.1 Cleaning
Metal shavings may still be hot
from recent sanding operations. Make sure
shavings and debris are cold before cleaning
the machine. Use a brush or rag to clear
shavings, not bare hands.
Avoid use of the following
cleaning chemicals or solvents: gasoline,
carbon tetrachloride, chlorinated solvents,
ammonia and household detergents containing
ammonia.
Brush all shavings from the motor housing, tool rest,
and sanding belt areas. Clean the area beneath the
sander base.
Periodically use a cleaning stick (not provided)
against the abrasive belt and disc to remove build-
up.
If the abrasive belt becomes loaded, it can be
cleaned by soaking within a solvent. Allow to dry
completely before reinstalling.
10.2 Installing/replacing sanding belt
1. Disconnect sander from power source.
2. Unscrew knobs and open side guard.
3. Pull tension lever (D, Figure 10-1) outward to
compress spring and de-tension belt.
4. Remove old belt by sliding it off wheels. Install
new belt, centering it on the wheels. Make sure
arrow printed on back of sanding belt matches
direction of belt movement.
5. Push lever (D) inward to tension belt.
6. Verify proper belt tracking, sect. 8.2.
7. Close side cover and secure with knobs before
operating.
Figure 10-1: sanding belt tension
10.3 Tension lever tightness
If sanding belt tension lever becomes loose, hold the
lock nut (A, Figure 10-1) with an 11mm wrench, and
tighten screw (B) with 5mm hex wrench. Lever
should be snug but still easily moved.
10.4 Replacing sanding disc
1. Disconnect sander from power.
2. Remove disc table and lower guard.
Use care when using a knife to
separate sanding disc from machine disc. Injury
from the knife may occur if the knife slips or if
sanding disc should suddenly come free.
3. Using a putty knife, work tip of knife under
sanding disc. Slowly work tip around
circumference of disc. Continue to work around
the circumference until sanding disc can be
separated by hand from the machine disc.
4. Clean residual adhesive from machine disc with
a rag and a cleaner/degreaser. Allow to dry.
5. See sect. 6.8 to install a new sanding disc.
10.5 Lubrication
All motor and wheel bearings are permanently
lubricated and sealed at the factory and require no
additional lubrication.
10.6 Additional servicing
Any additional servicing should be performed by
authorized service personnel.
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