Troubleshooting - Hilti DSH 700 Operating Instructions Manual

8.11 Checking the power tool after care and
maintenance
After carrying out care and maintenance, check that all
protective and safety devices are fitted and that they
function faultlessly.
8.12 Transporting the machine in a vehicle
en
CAUTION
To avoid a fire hazard, allow the machine to cool down
completely before transporting it.
CAUTION
The fuel tank must be completely empty before the
machine is shipped by a parcels service. We recom-
mend that the original packaging is kept for use in the
event of a need to transport the machine in this way.

9 Troubleshooting

Fault
Cutting disc slows down or
stops completely while cutting
High vibration, disc wanders off
the cutting line
Saw doesn't start or is difficult
to start
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1.
2.
3.
8.13 Storing the machine for a long period of time
DANGER
Store machines in a secure place when not in use.
When not in use, machines must be stored in a dry,
high place or locked away out of reach of children.
1.
2.
3.
4.
5.
6.
7.
8.
9.
Possible cause
Excessive cutting pressure applied
(cutting disc sticks and stalls in the
kerf).
Drive belt tension too low or the drive
belt is broken.
Cutting disc incorrectly fitted or not
tightened properly.
Cutting disc direction of rotation is
incorrect.
The forward section of the saw arm is
loose.
Cutting disc incorrectly fitted or not
tightened properly.
Cutting disc is damaged (or unsuit-
able specification, cracked, segments
missing, bent, overheated, deformed,
etc.).
The centering bushing is fitted incor-
rectly.
The fuel tank is empty (no fuel in the
carburetor).
Air filter clogged with dirt or dust.
The motor is flooded (spark plug wet).
Remove the cutting disc.
Secure the machine to prevent it falling over, causing
damage or fuel spillage.
Transport the saw carriage only when the water tank
is empty.
Empty the fuel tank and then start the motor and
allow it to idle until all remaining fuel is used up.
Remove the cutting disc.
Clean the machine thoroughly and grease the metal
parts.
Remove the spark plug.
Pour a little two-stroke oil into the cylinder (1 to 2
teaspoons).
Pull the starter handle a few times.
This will distribute the oil in the cylinder.
Replace the spark plug.
Wrap the machine in plastic foil.
Put the machine into storage.
Remedy
Reduce cutting pressure and guide
the machine in a straight line.
Re-tension the drive belt or fit a new
belt.
Check that the disc is fitted and
tightened correctly.
Check the direction of rotation and
correct if necessary.
Tighten the clamping nuts.
Check that the disc is fitted and
tightened correctly.
Fit a new cutting disc.
Check that the mounting bore of the
cutting disc to be fitted corresponds
with the centering collar of the cutting
disc mounting flange.
Fill the fuel tank.
Replace the air filter.
Dry the spark plug and cylinder (re-
move the spark plug).
Disengage the choke lever and repeat
the starting procedure several times.