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17
CARE AND SERVICING OF YOUR SCARIFIER
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Regular care is the best way to guarantee a long service life and problem-free
operation. Insufficient equipment maintenance will lead to safety-related faults!
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Only use original spare parts because only those guarantee safety and quality!
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Safety instruction!
See table for explanation of symbols
page 3
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Cleaning (Illustration N3 )
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Remove all dirt and grass directly after scarifying. Turn the machine over onto its side
and use a brush or cloth to clean it.
The air slits for the cooling of the electric motor (1) must be free from dirt and grass
cuttings.
IMPORTANT
Never spray the machine with water since this could damage the electrical
system.
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Storage
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Always keep the machine in a clean condition in a closed, dry room out of reach of
children. Always allow the engine to cool down before you store the machine in a
closed room.
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Folding the guide tube
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– To save storage space, loosen the two wing nuts such that the top guide tube can
be folded down towards the engine.
– In doing so, do not kink nor squeeze the cable and throttle cable.
CAUTION
When folding the bar for transport and storage, the bar may fold over
unintentionally when the wing nuts are released. In addition, beware of potential
squashing spots between the bottom and top parts of the bar. This may result in
risk of injury!
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Transporting and securing the equipment (Illustration N )
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– If the equipment has to be carried, do not hold the ejection flap. Hold the carrying
handle at the front and the cross tube of the bottom guide bar at the back (see
Figure
N
).
Please take the weight of the machine into consideration before lifting it (see
Technical Data). Lifting large weights can result in health problems.
We recommend that two people should always lift or carry the equipment.
– Transport the equipment in an upright position.
– Park the means of transport on level ground so that the equipment cannot roll
away before it is secured.
– Remove the collecting bag and secure it separately during transport
– Secure the equipment with approved load-securing devices (e.g. tie-down straps
with clamping elements) on or inside the vehicle. Tie-down straps are belt bands
made of synthetic fibres. Every tie-down strap is marked with a label. The label
contains important details for application. The information on this label must be
heeded when using the tie-down strap.
– For loaded goods that can roll, we recommend using direct strapping with four
lashing straps. Secure the wheels of the equipment in such a way that it does not
move during transportation.
NOTE
Do not tighten the belts too firmly. Fixing the equipment too firmly can cause
damage.
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Maintenance of the blade shaft
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Before using the machine, always check the condition and firm seating of the blades.
Worn or damaged blades should be replaced immediately.
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WARNING
Always have replacement of the blade shaft carried out by an authorized
workshop, since an insulation protection test to DIN EN 60335 must be carried
out after repair and maintenance work to insulation components (e.g. blade shaft,
attachment fittings).
An incorrectly assembled blade shaft can also cause parts to become detached,
possibly leading to serious injury.
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– The complete cutter blade set must be replaced if the wear limit (round marking on
the blade) has been reached and/or readjustment of scarifying depth is no longer
possible.
– Only use genuine scarifying cutter blades for replacement. Non-equivalent spare
parts can damage the machine and are a safety hazard.
– Replacement scarifying cutter blades must be marked permanently with the name
and/or company logo of the manufacturer or supplier and the part number.
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Changing the drive belt
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For safety reasons, expressed attention is drawn to the fact that the drive belt must only
be replaced by an original replacement part.
Always have replacement of the drive belt carried out by an authorized specialist
workshop.
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18
TROUBLESHOOTING
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Fault Possible
cause
Remedy
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Motor does not start up
within 5 seconds of the
device being switched
on
No mains voltage.
Connect the mains plug
C2
.
Check the fuse.
Connection cable
damaged.
Have it checked by an
authorised workshop.
Cutter blade shaft
blocked
Have scarifying depth
checked.
Clean the cutter blade shaft
(remove the mains plug first!)
Tilt the machine during start-
up.
Have it checked by an
authorised workshop.
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Motor stops
Grass is too high
Mow the lawn first.
Blockage by foreign
bodies
Have machine checked by an
authorized specialist
workshop.
Working depth to deep
Re-adjust the working depth
V2
.
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Unsatisfactory result
Grass is too high
Mow the lawn first.
Blades are worn
Adjust the working depth
V2
.
Have the blade shaft
replaced by an authorized
specialist workshop
Working depth not
suitable for grass and
ground conditions
Re-adjust the working depth
V2
.
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Extreme vibration
Have it checked by an
authorized dealer
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Blade shaft will not
turn
Drive belt defective
Have it checked and replaced
if necessary by an authorized
specialist workshop.
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Repairs to electrical machines must always be performed only by qualified electricians.
Please do not repair them yourself.
In the case of faults and defects which have not been listed here, please contact the
nearest authorized dealer. This applies in particular to appliances with electrical motors,
as when these are repaired they must always undergo an insulation protection test.
Your authorized dealer will also help you if you do not wish to perform any of the
maintenance work described here yourself.
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Summary of Contents for JOHN DEERE D31RE
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