Draper Storm Force CDH20LI(SF) Manual de instrucciones - Página 13
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8.
BASIC CORDLESS HAMMER DRILL OPERATIONS
8.8 TORQUE CONTROL - FIG. 6
By turning the collar
amount of torque.
(i) Settings 1-16 provide a facility for setting the
torque to the required level. For example, this
means that repetitive driving of screws of the same
size will be driven into the material to the same
torque, thus giving the same fixing strength, or in
the case of countersunk screws, these will all be
driven to the same depth in the material.
The torque control prevents the heads of small
diameter screws being twisted off when correctly
set.
(ii) By turning the collar
the torque collar
Use
setting for rotary drilling.
Use
setting for percussion drilling.
8.9 SPEED SELECTOR SWITCH - FIG.7
To change the speed of the chuck, slide the two-speed
gearbox selection switch
backwards for high speed.
IMPORTANT: Only change speed when the machine has
stopped.
8.10 HOLDING THE DRILL - FIGS. 8 - 9
The drill casing is designed to be held comfortably in
two ways,
1. By the handle.
2. Or by the in-line support grip.
8.11 DRILLING WOOD AND PLASTIC
Set collar
to
To prevent splitting around the drill holes on the
reverse side, place a piece of scrap timber under the
material to be drilled.
8.12 DRILLING METAL
Set collar
to
Metals such as sheet steel, aluminium and brass may be
drilled. Mark the point to be drilled with a centre punch
to help the drill bit tip to locate. A drop of oil on the
area will aid cutting and help prolong the life of the bit.
8.13 DRILLING MASONRY
Set collar
to
Start drilling at a low speed to prevent the drill bit from
wandering. Once penetration is achieved, fully depress
the trigger to achieve maximum speed and hammer
power.
it is possible to adjust the
to the
will be active.
forwards for low speed, or
setting.
setting.
setting.
setting,
FIG.6
FIG.9
FIG.7
FIG.8
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