Hilti WSR 900-PE Mode D'emploi page 25

2. Disengage the transport lock.
3. Press the control switch.
4. Press the forward edge of the contact shoe against the workpiece and begin the plunge action by slowly
increasing the angle of attack.
To prevent stalling, it is important that the product is running before the saw blade is brought into
contact with the surface.
5. Once the saw blade has penetrated right through the material, bring the tool into the normal working
position (contact shoe flush with the workpiece) and then continue sawing along the cutting line.
6 Care and maintenance
6.1 Care of the product
▶ Keep the product, especially its grip surfaces, clean and free from oil and grease. Do not use cleaning
agents which contain silicone.
▶ Never operate the product with the air vents blocked! Clean the air vents carefully using a dry brush. Do
not permit foreign matter to penetrate inside the product.
▶ Clean the outside of the product at regular intervals with a slightly damp cloth. Do not use a sprayer,
steam pressure cleaning equipment or running water for cleaning!
▶ Always keep the connection end of the accessory tool clean and lightly greased.
▶ After care and maintenance work, check that all protective and safety devices are fitted and in full working
order.
▶ If service or repair is required, contact your sales adviser or refer to our contact details at www.hilti.com.
7 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
7.1 Troubleshooting
Trouble or fault
The tool will not start.
The power tool does not
achieve full power.
The saw blade cannot be
removed from the chuck.
Orbital-action function does
not react
Contact shoe or pipe-cutting
adapter cannot be removed
*378282*
Printed: 23.07.2019 | Doc-Nr: PUB / 5138031 / 000 / 03
Possible cause
Interruption in the electric supply
The supply cord or plug is defec-
tive.
The control switch is defective.
The extension cord is too long
and/or its gauge is inadequate.
The control switch is not fully
pressed.
The locking sleeve is not turned as
far as it will go.
Orbital-action switch is not in the
position for orbital action.
Prevented by saw blade.
Pushbutton not pressed in all the
way.
378282
Action to be taken
▶ Plug in another power tool or
appliance and check whether it
works.
▶ Have the tool repaired only by a
Hilti Service Center.
▶ Have the tool repaired only by a
Hilti Service Center.
▶ Use only extension cords
of a type approved for the
application and with conductors
of adequate gauge.
▶ Press the control switch fully.
▶ Turn the locking sleeve as far as
it will go and remove the saw
blade.
▶ Move the orbital-action switch
to the position for orbital action.
Orbital action is perceptible only
when the saw is cutting.
▶ Remove the saw blade and then
remove the contact shoe.
▶ Press the pushbutton all the
way in and remove the saw
blade.
English 19