Bosch GRT 18V-33 Manual Original página 21

Problem Possible Cause
Garden tool subject to Grass too high/dense
overload
Poor cutting perform- Garden tool subject to overload
ance
Excessive cutting line
Protection guard encrusted with mud
Garden tool does not Cutting line too short/broken off
cut
Spool empty
Line retracts into spool Cutting line too short/broken off
Line breaks frequently Line inside the spool entangled
Trimmer used incorrectly
Diameter of cutting thread is too small
Heavy vibrations Cutting line broken
Imbalance in cutting head or cutting blade
Incorrectly fitted cutting spool/blade
Protection guard incorrectly mounted
Nut for blade mounting has become loose
Anti-tangle does not re- Machine is being used incorrectly
move the blockage
The blockage is too heavy for the system to re-
move it on its own without manual intervention
Maintenance and Service
Maintenance, Cleaning and Storage
Before any work on the garden product itself (e. g.
u
maintenance, tool change, etc.) as well as during
transport and storage, remove the battery from the
garden product. There is danger of injury when uninten-
tionally actuating the On/Off switch.
To ensure safe and efficient operation, always keep
u
the product and the ventilation slots clean.
Clean and maintain the product before storage.
Do not place other objects on the garden tool.
Never spray the product with water.
Never immerse the product in water.
Store the product in a secure, dry place, out of the reach of
children.
Do not place other objects on the product.
Do not leave the product on the ground. Trip hazard!
Keep all nuts, bolts and screws tight to ensure safe working
with the product.
Inspect the product and replace worn or damaged parts for
safety.
Bosch Power Tools
Corrective Measure
Cut in stages
Move the device slower
Rewind the line (see figure J) and check the cut-
ting blade
Clean inside of the protection guard
Feed cutting line with Pro-Tap bump feed (see fig-
ure J)
Replace the spool (see figure J)
Remove spool – rethread line (see figure J)
Remove spool – rewind line (see figure J)
Only trim with the tip of the line, avoid touching
stones, walls and other hard objects. Feed the
line regularly to maintain full cutting diameter.
Use recommended cutting line
see figure J
Remove any mud/contamination from the cutting
head. Check the cutting head (see figure M) and
contact Bosch customer service agent in case of
damage
Correctly fit all components (see figure M)
Mount protection guard correctly
Tighten the nut for blade mounting (20 Nm) (see
figure M)
Operate the tool again, pulse the tool
Remove the battery and manually remove the
blockage
Ensure replacement parts fitted are Bosch-approved.
The product must not be modified, any modification made
may cause injuries.
Sharpening and Balancing the Cutting Blade
Correct sharpening and balancing of the cutting blade re-
quires a lot of practice. Bosch recommends that you use an
approved replacement cutting blade. Replacement cutting
blades can be purchased from an approved service centre.
Transporting the Brushcutter
For transport and storage, always protect the cutting blade
with a suitable cover.
Carry the brushcutter in one hand, well balanced on the
shaft, with the cutting adapter pointing to the rear.
Secure the brushcutter against tipping over and shifting dur-
ing transport.
After-Sales Service and Application Service
Our after-sales service responds to your questions concern-
ing maintenance and repair of your product as well as spare
parts. You can find explosion drawings and information on
spare parts at: www.bosch-pt.com
The Bosch product use advice team will be happy to help you
English | 21
F 016 L94 542 | (07.02.2023)