Black & Decker Fire Storm 90524442 Instruction Manual download pdf (Page 37)

WARNING: DISCONNECT MACHINE FROM POWER

SOURCE!

BRUSH INSPECTION AND REPLACEMENT

Brush life varies. It depends on the load on the motor. Check the

brushes after the first 50 hours of use for 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 a replacement is necessary.

To inspect the brushes:

WARNING: DISCONNECT MACHINE FROM POWER

SOURCE!

1. Remove three screws (A) Fig. 45 and remove the motor cover

(B).

2. The brushes are located in the two holders (C) Fig. 46. Remove

spade type terminal connector (D) and pull out brush holders (C).

3. Fig. 47 illustrates one of the brushes (E) removed from the

holder (C). When the carbon on either brush (E) is worn to 3/16"

in length or if either spring (F) or shunt wire is burned or

damaged in any way, replace both brushes. If the brushes are

found to be serviceable after re-moving, reinstall them in the

same position.

KEEP THE MACHINE CLEAN

Periodically blow out all air passages with dry compressed air. All

plastic parts should be cleaned with a soft damp cloth.

NEVER use solvents to clean plastic parts. They could possibly

dissolve or otherwise damage the material.

WARNING: Wear ANSI Z87.1 safety glasses while using

compressed air.

FAILURE TO START

Should your machine fail to start, check to make sure the prongs on

the cord plug are making good contact in the outlet. Also, check for

blown fuses or open circuit breakers in the line.

CHANGING THE BLADE

WARNING: Use only cross-cutting saw blades.

WARNING: When using carbide-tipped blades, do not use

blades with deep gullets as they can deflect and contact the guard.

WARNING: Use only 10" diameter saw blades which are rated

for 5200 rpm or higher and have 5/8" diameter arbor holes.

WARNING: DISCONNECT MACHINE FROM POWER

SOURCE!

1. Remove screw (A) Fig. 41 and rotate cover (B) to the rear (Fig. 42).

2. To remove the saw blade, insert the hex wrench (C)

Fig. 43 into the hex hole located on the rear end of the motor

shaft to keep the shaft from turning.

3. Use a wrench (D) Fig. 44 to loosen the arbor screw (E) by

turning it clockwise.

4. Remove the arbor screw (E) Fig. 44, the outside blade flange

(B), and the saw blade from the saw arbor.

5. Attach the new saw blade making certain that the teeth of the

saw blade are pointing down (Fig. 44). Place the outside blade

flange (F) on the arbor, and attach the arbor screw (E) by turning

it counter-clockwise using the wrench (D). At the same time, use

the hex wrench (C) Fig. 43 to keep the arbor from turning.

6. Rotate the cover back to the front and replace the screw that

was removed in STEP 1.

WARNING: Remove wrenches (C) Fig. 43 and (D) Fig. 44 before

starting machine.

WARNING: The cover must be returned to its original

position and the screw tightened before activating the saw.

Failure to do so may allow the cover to contact the spinning

saw blade resulting in damage to the saw and severe personal

injury.

MAINTENANCE

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Black & Decker Fire Storm 90524442 Instruction Manual Page 37

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