Maintenance And Service - Bosch EXACT 4 Handbuch

Exact_bu1_3609929A00_t.fm Seite 7 Freitag, 24. September 2004 1:56 13
Marking the Torque Setting
To identify individually adjusted tightening torques, the
marking ring 7 can be replaced with a marking ring of
another color. Press off the marking ring 7 with a thin
screwdriver blade, a knife or similar.
Always use the power tool with a marking ring since
otherwise the housing is no longer closed.
LED Indicators
Battery Condition Indicator
If the charging of the battery 4 is necessary,
the LED indicator 2 blinks green. You can
still use the power tool for approx. 6–8
screwing actions.
If the LED indicator lights red, the capacity is no longer
adequate for another screwing action. The power tool
can no longer be switched on. The switch-on lock re-
mains active until a charged battery is inserted.

5 MAINTENANCE AND SERVICE

Maintenance
Remove the battery from the power tool before
adjustments are made to the tool, accessories
are changed or the tool is stored. This safety
measure prevents the unintentional switching on of the
power tool.
When battery pack is not in use, keep it away
from other metal objects such as: paper clips,
coins, keys, nails, screws, or other small metal
objects that can make a connection from one
terminal to another. Shorting the battery terminals
together may cause sparks, burns, or a fire.
Should the tool fail in spite of careful manufacturing
and testing procedures, have the repairs performed by
an authorized customer service location for Bosch
electro-tools.
For inquiries and spare parts ordering, please include
the 10-digit order number on the nameplate of the
tool.
3 609 929 A00 • (04.09) T
A considerably shortened operating time of the power
tool after each charging indicates that the battery must
be replaced soon. Dispose of the used battery in ac-
cordance with the legal/country-specific regulations.
Screwing Action Indicator
When the preset torque is reached, the
switch-off coupling responds. The LED indi-
cator 1 lights green.
If the preset torque is not reached, the LED indicator 1
lights red and an acoustical signal sounds. The screw-
ing action must be performed again.
Repeat Protection
If the switch-off coupling responds for a screwing ac-
tion, the motor switches off. Switching on again is
possible only after a 0.7 second delay. In this manner,
an unintentional retightening of an already seated
screw is avoided.
After approx. 150 hours of operation, the gearbox is to
be cleaned for the first time and then every 300 hours
of operation. After each cleaning, it should be lubricat-
ed with special gearbox grease.
The moving parts of the coupling are to be lubricated
every approx. 100000 screwing actions with a few
drops of SAE 10/SAE 20 motor oil. The sliding and
rolling parts are to be lubricated with Molycote grease.
Check the setting of the coupling after lubricating.
Lubrication
Lubricant:
Special gearbox grease 225 ml
3 605 430 009
Molycote grease
SAE 10/SAE 20 motor oil
Have maintenance and repair work performed
only by qualified specialists. In this manner, it can
be ensured that the safety of the tool is maintained.
Any Bosch customer service centre can perform this
work quickly and reliably.
Dispose of lubricants and cleaning agents in an
environmentally correct manner. Observe legal
regulations.
English–7