Blade Sharpening - Bosch Professional GRA 53 Manual Original

OBJ_DOKU-42365-002.fm Page 13 Monday, February 9, 2015 9:42 AM
– after striking a foreign object. Inspect
the machine for damage and make re-
pairs as necessary,
– If the machine is to be stored unused
for a long period.
– if the machine starts to vibrate abnor-
mally (check immediately).
– Folding the handle
– Before transporting machine
Maintenance
For Your Safety
 Warning! Switch off, remove the
isolator key and the batteries be-
fore adjusting or cleaning.
 Caution – do not touch the rotating
blade. The blades continue to ro-
tate for a few seconds after the ma-
chine is switched off.
 Always wear protective gloves
when handling or working near the
sharp blades.

To ensure long and reliable service,
carry out the following mainte-
nance regularly:

Keep all nuts, bolts and screws tight
to be sure that the machine is in safe
working condition.
 Check the grass catcher after each
use for wear or deterioration.
 Examine the machine and replace
worn or damaged parts for safety.
 Ensure replacement parts fitted are
Bosch approved.

Blade Sharpening


Blade cutting edges can be resharp-
ened.
 Remove material from the top sur-
face only.
Bosch Power Tools
 Remove material from both ends of
the blade evenly to maintain balance.
 Check the blade balance with a
screwdriver through the central hole.
Cleaning

Before transport or storage ensure
machine is clean and free from de-
bris, if necessary clean with a soft,
dry brush.
 To clean the grass catcher, use water
from a hose. Do not use high pressure
water.
 To clear the inside of the cutting bowl
of grass, use a high pressure stream
of water. For hard debris, scrape to
remove.
 Keeping the underside of the bowl
clean will improve performance.
Recommendations for Optimal Han-
dling of the Battery and Charger
 Warning! Do not attempt to charge
non rechargeable batteries with the
charger.
 For your safety! Ensure the isolator
key and operator controls are in the
off or park position before inserting
battery pack.Inserting the battery
packs into machines that have the
switch on can be dangerous.
 Insert the battery until the locking
mechanism clicks. To remove the bat-
tery, operate locking lever.
 For care use and maintenance please
use charger and battery manuals
which are supplied with the products
or available at www.bosch-gar-
den.com.
English | 13
F 016 L70 940 | (9.2.15)