Hilti TE 7-C Operations Instructions download pdf (Page 12)

Bring the drill bit into contact with the base material

and allow the power tool to run under no load until the

minimum operating temperature is reached. If necessary,

repeat this procedure until the hammering mechanism

begins to operate.

7.2.2 Drilling without hammering 8

1. Turn the function selector switch until it engages in

the “Drilling without hammering” position. Do not

operate the function selector switch while the motor

is running.

2. Bring the side handle into the desired position and

check that it is fitted correctly and secured.

3. Plug the supply cord into the power outlet.

4. Position the power tool and drill bit at the point

where the hole is to be drilled.

5. Press the control switch slowly (drill at a low speed

until the drill bit centers itself in the hole).

6. Press the control switch fully to continue drilling with

full power.

7. Adjust the pressure applied to the power tool ac-

cording to the material you are working on. This will

ensure the optimum rate of drilling progress.

7.2.3 Hammer drilling 8

1. Turn the function selector switch until it engages in

the “Hammer drilling” position. Do not operate the

function selector switch while the motor is running.

2. Bring the side handle into the desired position and

check that it is fitted correctly and secured.

3. Plug the supply cord into the power outlet.

4. Position the power tool and drill bit at the point

where the hole is to be drilled.

5. Press the control switch slowly (drill at a low speed

until the drill bit centers itself in the hole).

6. Press the control switch fully to continue drilling with

full power.

7. Do not apply excessive pressure.Thiswillnotin-

crease the power tool’s hammering performance.

Lower pressure extends the life of the insert tool.

8. Reduce drilling speed shortly before breaking

throughinordertoavoidspalling.

7.2.4 Chiseling

NOTE

The chisel can be adjusted to 18 different positions

(in 20° increments). This ensures that flat chisels and

shaped chisels can always be set to the optimum working

position.

7.2.4.1 Chisel position adjustment

CAUTION

Do not work operate the power tool when the selector

switch is set to “Chisel adjustment”.

1. Turn the function selector switch until it engages in

the “Chisel adjustment” position. Do not operate the

function selector switch while the motor is running.

2. Bring the side handle into the desired position and

check that it is fitted correctly and secured.

3. Rotate the chisel to the desired position.

7.2.4.2 Locking the chisel

Turn the function selector switch until it engages in the

“Chiseling” position. Do not operate the function selector

switch while the motor is running.

7.2.4.3 Chiseling 8

1. Plug the supply cord into the power outlet.

NOTE Do not operate the function selector switch

while the motor is running.

2. Position the tip of the chisel at the point where

chiseling is to begin.

3. Press the control switch.

7.2.5 Forward / reverse 9

CAUTION

Do not operate the forward / reverse switch while the

motor is running.

Move the forward/reverse switch to the “Forward” or

“Reverse” position.

8 Care and maintenance

CAUTION

Disconnect the mains plug from the power outlet.

8.1Careofinserttools

Clean off dirt and dust deposits adhering to the insert

tools and protect them from corrosion by wiping the

insert tools from time to time with an oil-soaked rag.

8.2 Care of the power tool

CAUTION

Keep the power tool, especially its grip surfaces,

clean and free from oil and grease. Do not use clean-

ing agents which contain silicone.

Never operate the power tool when the ventilation slots

are blocked. Clean the ventilation slots carefully using

a dry brush. Do not permit foreign objects to enter the

interior of the power tool. Clean the outside of the power

tool at regular intervals with a slightly damp cloth. Do

not use a spray, steam pressure cleaning equipment or

running water for cleaning. This may negatively affect the

electrical safety of the power tool.

8.3 Cleaning or replacing the dust shield

Clean the dust shield on the chuck with a dry, clean

cloth at regular intervals. Clean the sealing lip by wiping it

carefully and then grease it again lightly with Hilti grease.

Printed: 19.05.2014 | Doc-Nr: PUB / 5071207 / 000 / 02

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Hilti TE 7-C Operations Instructions Page 12

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