-8-
Care must be taken to
maintain the accuracy
of the instrument.
After each use, the instrument should be
wiped clean and kept in its carrying case.
Remove dust from the lenses with a soft
brush or a nonabrasive wipe. Never touch
the lenses with your fingers.
Store the instrument in a dust-free area
with low humidity.
A bag of silica gel dryer is included
with each instrument; if it has stopped
working effectively, bake it to remove
moisture or replace with a new bag.
If the tool should fail despite the care
taken in manufacturing and testing
procedures, repair should be carried
out by an authorized after- sales service
center for Bosch measuring tools.
In all correspondence and spare parts
orders, please always include the 10-digit
article number given on the type plate of
the tool. In case of repairs, send in the
tool packed in its protective case.
ENVIRONMENT PROTECTION
Recycle raw materials & batteries instead of
disposing of waste. The unit, accessories,
packaging & used batteries should be sorted for
environmentally friendly recycling in
accordance with the latest regulations.
Maintenance and Service
!
WARNING
Because the instrument is set halfway
between A and B, any error in the line-of-
sight causes both readings to be erroneous
by the same amount. Error “e” cancels
out, so the value a1 – b1 = H is correct.
Therefore, a2 – H = b3, the adjusting value.
To adjust, unscrew the eyepiece cover. Turn
the adjusting screw with the adjusting pin
(Fig. 12) until the horizontal cross hair gives
the reading b3, on rod B. Repeat the above
Procedure until {(a1-b1) – (a2-b2)} </= 3
mm.
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