MasterForce 241-0413 Manuel de l'opérateur télécharger pdf (Page 17)

Page 16

MAINTENANCE

CHUCK REMOVAL (FIG. 10)

The chuck can be removed and replaced

with a new one.

1. Lock the trigger switch by placing the

direction of rotation selector in the

center position.

2. Open the chuck jaws. Using a

screwdriver, remove the chuck screw

by turning it in a clockwise direction.

3. Insert a 5/16-in. or larger hex key into

the chuck of the hammer drill and

tighten the chuck jaws securely.

4. Tap the hex key sharply with a mallet

in a anti-clockwise direction. This will

loosen the chuck for easy removal.

5. Attach a new chuck to the spindle and

tighten the chuck screw.

TROUBLESHOOTING

PROBLEM

CAUSE

SUGGESTED CORRECTIVE ACTION

The hammer drill

does not work.

1. Battery is depleted. 1. Charge the battery.

Bit cannot be

installed.

1. Sleeve is not released. 1. Release the sleeve.

2. Bit does not ﬁt the sleeve. 2. Use a suitable adapter.

The motor is

overheating.

1. Be sure the cooling vents

are free from dust and

obstacles.

1. Clean and clear the vents. Do not

cover with hand during operation.

FIG. 10

Mallet

Chuck jaws

Hex Key

1 2 ... 12 13 14 15 16 17 18 19 20

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MasterForce 241-0413 Manuel de l'opérateur Page 17