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ENGLISH
– Make sure the rotation direction selector (12) is in position "N" (idle position).
– Start the engine by following the procedure in § 5.
– Make sure the torque selector (13) is adjusted to the torque setting required (see § 3.3).
– Lift the wrench and move it to the work location.
– Position the socket over the head of the screw, bolt or nut, so it is completely inserted
into the socket (Ref. to Figs. 8 and 9).
– With the engine at minimum revs, set the rotation direction of the wrench (see § 3.4).
– Keeping a tight grip the wrench increase the speed of the motor to the number of revs
required by using the accelerator (02): in this way the impact striker will come into action
with consequent tightening/loosening of the fastening device.
– On finishing the operation, release the accelerator.
The impact wrench can be used independently or in conjuntion with the Cembre sup-
port trolley (Ref. to Figs. 10, 11) and appropriate interface device (see § 8) .
– The impact wrench can be used in vertical position with support trolley by fitting inter-
face device type KCS-NR .
– The impact wrench can be used in horizontal position with support trolley by fitting inter-
face device type KHOR-NR.
4. FUEL MIXTURE PREPARATION
The impact wrench motor is two stroke and functions on an oil-petrol mixture.
To ensure the correct amount of oil is used in the mixture, use the calibrated measure
provided (see figure).
To get the best performance from the motor we suggest using synthetic oil for 2
stroke motors in the ratio of 1:50 (2 %).
As an alternative use mineral oil for 2 stroke motors in the ratio of 1:25 (4 %).
Always use good quality oil.
We recommend a minimum 90 octane
petrol.
Mix petrol and oil together well and prepare only enough
for immediate use as the mixture will age and if several
weeks old may cause engine damage.
Always use the correct fuel mixture to avoid:
1 - Motor smoking and dirtying of the spark plug should
the mixture be too rich with oil.
2 - Excessive overheating with consequent seizing of
the motor should the mixture be lacking in oil.
2%
(synthetic oil for
2 stroke motors)
4%
(mineral oil for
4% 2%
2 stroke motors
7
68
FIG. 10
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