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MAINTENANCE
CHANGING THE BLADE
WARNING: USE ONLY CROSS-CUTTING SAW BLADES. DO NOT USE BLADES WITH DEEP GULLETS AS
THEY CAN DEFLECT AND CONTACT GUARD
1. Use only 12" diameter blades with 1" arbor holes that are rated for 4200 RPM or higher.
2. DISCONNECT MACHINE FROM THE POWER SOURCE.
3. Loosen screw (A) Fig. 41, with wrench (B) (provided).
4. Rotate arbor cover (C) Fig. 42, and lower guard (D) Fig. 42, to the rear, exposing arbor screw (E).
5. Remove arbor screw (E) Fig. 42, by turning screw clockwise with wrench (supplied), while at the same time,
pressing in on arbor lock (F) Fig. 43, to keep the arbor from turning. Remove outside blade flange (G) Fig. 42,
and saw blade (H) Fig. 41. DO NOT REMOVE INSIDE BLADE FLANGE.
6. Attach the new saw blade MAKING CERTAIN TEETH OF SAW BLADE ARE POINTING DOWN AT THE
FRONT, and attach outside blade flange (G) Fig. 42. Check to see that the flats on outside blade flange are
engaged with flats on arbor shaft.
7. Thread arbor screw (E) Fig. 42, into saw arbor by turning screw (E) counterclockwise as far as possible by
hand. Then tighten arbor screw (E) with wrench supplied while at the same time pressing in on arbor lock (F) Fig.
43, to keep arbor from turning.
8. Rotate arbor cover (C) Fig. 42, and lower guard (D) to the front and tighten screw (A) that was loosened in
STEP 3.
BRUSH INSPECTION AND REPLACEMENT
CAUTION: BEFORE INSPECTING BRUSHES, DISCONNECT THE MACHINE FROM THE POWER SOURCE.
Brush life varies, depends on the load on the motor. Check the brushes after the first 50 hours of use of a new
machine, or after a new set of brushes has been installed.
After the first check, examine them after about 10 hours of use, until replacement is necessary.
The brush holders (A) Fig. 44, are located on the motor housing opposite each other. Fig. 45, illustrates one of
the brushes removed for inspection. When the carbon on either brush (B) is worn to 3/16" in length, or if either
spring or shunt wire (C) is burned or damaged in any way, replace both brushes. If the brushes are found
serviceable after removing, reinstall them in the same position.
17
Fig. 41 Fig. 42
E
B
G
C
A
D
H
Fig. 43
F
Fig. 45
B
C
Fig. 44
A