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Troubleshooting
PROBLEM CAUSE CORRECTIVE ACTION
Tool vibrates or shakes. 1. Saw blade not round.
2. Saw blade damaged.
3. Saw blade loose.
4. Other.
1. Replace blade.
2. Replace blade.
3. Check that blade is prop-
erly seated on the inner
washer. See “Removing
and Installing Blades” on
page 19.
4. Authorized service.
Head assembly does not
slide freely when attempting
a slide cut.
The slide rail lock knob has
been tightened.
Loosen the slide rail lock
knob (Fig. 38 on page 35,
33) by turning it counter-
clockwise.
Blade does not cut com-
pletely through workpiece.
Replacement blade is less
than 7-1/4" (184mm) diam-
eter.
Change to a blade that is
fully 7-1/4" (184mm) diam-
eter.
Attachments and Accessories
GAM 220 MF and GAM 270 MFL Digital Angle
Finder/Compound Cut Calculator/Protractor/
Level – Gives you the information needed to
position cuts so that they fit together precisely
even if the room is out of square.
MS1233 Crown Stop Set – Correctly hold
crown molding in an inclined position against
fence. Set molding for simple vertical cutting –
no compound cutting required.
GTA3800 Portable Miter Saw Stand with
Wheels
T4B Gravity-Rise Wheeled Miter Saw Stand
16099221PK GCM18V-07S OSI 20220506.indd 50 5/6/22 11:27 AM