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Changing the gearbox oil
Contact your dealer to get the right oil.
The oil in the gearbox must be changed after every 400 hours
of operation. Do as follows:
1 Get:
- New oil, STATOIL SYNTOL 75W-90 or other similar
transmission oil.
- A container for the old oil.
2 Secure the machine with drill spindle downwards in a vice
or the like.
3 Unscrew the four screws holding the motor - gearbox
modules together.
4 Carefully disassemble the machine.
5 Empty the gearbox oil into the container.
6 If necessary contact your dealer to clean the gearbox.
7 Pour the new oil into the gearbox, about 0.5 litres.
8
Check that the sealing lip on the radial seal is intact.
9 Reassemble the machine and screw in the four screws.
Be careful when assembling so as not to damage the
radial seal.
MAINTENANCE
Replacing the carbon brushes
The carbon brushes must be removed and checked regularly.
Weekly if the machine is used daily or at longer intervals if the
machine is used more seldom. The area of wear should be
even and undamaged.
Both carbon brushes must always be replaced as a pair, but
one at a time. Do as follows:
1 Remove the 5 screws from the inspection cover. Use a
chisel in the break tracks to easier remove the inspection
cover.
2 Lift the carbon brush holder spring to one side (A).
3 Loosen the screw (B).
4 Pull out the carbon brush connector.
5 Pull the carbon brush out from the holder (C).
6 Clean the brush holder with compressed air or a brush.
Replace the brush if worn.
7 Fit the new carbon brush. Make sure that the side with the
copper wire is facing the gear box and that the carbon
brush slides easily in the brush retainer. If the carbon
brush is fitted in the wrong direction it can get jammed.
8 Put the brush holder spring back into place.
9 Insert the carbon brush connection under the screw.
10 Repeat the procedure with the other carbon brush.
11 Guide the inspection cover into the handle's tracks. Begin
with the screw at the very bottom of the handle and
unscrew the inspection cover's five screws.
12 Let the machine idle for 10 minutes to run in the new
carbon brushes.
– 13
English
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