Master-force 241-0436 Manual do Operador descarregar pdf (Página 13)

Page 12

DRILLING (FIG. 7)

FIG. 7

When drilling hard smooth surfaces use

a center punch to mark the desired hole

location. This will prevent the drill bit from

slipping off center as the hole is started.

The material to be drilled should be

secured in a vise or with clamps to keep it

from turning as the drill bit rotates. Hold the

tool rmly and place the bit at the point to

be drilled. Depress the switch trigger to start

the tool.

OPERATION

Move the drill bit into the workpiece

applying only enough pressure to keep

the bit cutting. Do not force or apply side

pressure to elongate a hole.

WARNING:

Be prepared for binding

at bit breakthrough. When these situations

occur, drill has a tendency to grab and kick

opposite to the direction of rotation and

could cause loss of control when breaking

through material. If not prepared, this loss of

control can result in possible serious injury.

When drilling metals, use light oil on the drill

bit to keep it from overheating. The oil will

prolong the life of the bit and increase the

drilling action.

If the bit jams in workpiece or if the drill stalls,

release switch trigger immediately. Remove

the bit from the workpiece and determine the

reason for jamming.

This drill has an electric brake. When the

switch trigger is released, the chuck stops

turning. When the brake is functioning

properly, sparks will be visible through the

vent slots on the housing. This is normal and

is the action of the brake.

MAINTENANCE

WARNING:

To avoid serious personal

injury, always remove the battery pack from

the tool when cleaning or performing any

maintenance.

WARNING:

When servicing, use only

identical replacement parts. Use of any other

parts may create a hazard or cause product

damage. To ensure safety and reliability, all

repairs should be performed by a qualied

service technician at an Authorized Service

Center.

GENERAL MAINTENANCE

The tool may be cleaned most effectively

with compressed dry air. Always wear

safety goggles when cleaning tools with

compressed air.

Avoid using solvents when cleaning plastic

parts. Most plastics are susceptible to

damage from various types of commercial

solvents. Use clean cloths to remove dirt,

dust, oil, grease, etc.

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