Care And Maintenance; Care Of Blades; Troubleshooting - Hilti WSR 900-PE Manual De Instrucciones

8. Care and maintenance

Unplug the supply cord from the mains socket.

8.1 Care of blades

Clean off dirt and dust deposits and protect your blades
from corrosion by wiping them from time to time with
an oil-soaked rag.
8.2 Care of the tool
Keep the blade clamp clean.
●
The tool was lubricated adequately when it was man-
●
ufactured. After long periods of heavy use it is rec-
ommended that the tool is inspected at a Hilti work-
shop. This will increase the life expectancy of the tool
and avoid unnecessary repair costs.
Repairs to the electrical section of the tool may be car-
●
ried out only by a trained electrical specialist.
CAUTION
Keep the power tool, especially its grip surfaces, clean
and free from oil and grease. Do not use cleaning agents
which contain silicone.
The outer casing of the tool is made from impactresis-
tant plastic. Sections of the grip are made from a syn-
thetic rubber material. Never operate the 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 tool. Clean the outside of the
tool at regular intervals with a slightly damp cloth. Do not

9. Troubleshooting

Fault
The tool doesn't start.
The tool does not achieve
full power.
No orbital action.
Saw blade cannot be re-
moved from the blade clamp. it will go.
Contact shoe or pipe
clamp cannot be removed
frome the tool.
Printed: 21.08.2013 | Doc-Nr: PUB / 5138031 / 000 / 01
Possible cause
Fault in mains supply.
Supply cord or plug defective.
Control switch defective.
Extension cord with inadequate cross Use an extension cord with adequate cross
section used.
Low stroke rate selected.
Control switch not pressed fully.
Orbital action selector switch not
set to [ ].
Locking sleeve not turned as far as
Obstructed by blade.
Lockbutton is not fully pressed.
use a spray, steam pressure cleaning equipment or run-
ning water for cleaning. This may negatively affect the
electrical safety of the tool.
8.3 Maintenance
Check all external parts of the tool for damage at regular
intervals and check that all controls operate faultlessly.
Do not operate the tool if parts are damaged or when the
controls do not function faultlessly. If necessary, your
electric tool should be repaired at a Hilti repair center.
Repairs to the electrical section of the tool may be car-
ried out only by trained electrical specialists.
8.4 Checks after care and maintenance
After care and maintenance, check that the hand guard
and contact shoe are fitted and that they function fault-
lessly.
Remedy
Plug in another electric appliance and
check whether it works.
The cord should be checked and, if neces-
sary, replaced by an electrical specialist.
The switch should be checked and, if neces-
sary, replaced by an electrical specialist.
section. (See "Before use".)
Set the stroke rate regulator to the setting
recommended for the material to be cut
(see section "Before use").
Press the control switch as far as it will go.
Set the orbital action selector switch to
[ ] . The orbital action can be felt only
when sawing.
Turn the locking sleeve as far as it will go
and remove the saw blade.
Remove the saw blade (see 6.2) and then
remove the contact shoe.
Press the lockbutton fully and remove the blade.
en
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