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25
Bosch Power Tools
1 609 929 R18 | (31.1.08)
Maintenance
If the machine should fail despite the care taken
in manufacturing and testing procedures, repair
should be carried out by an after-sales service
centre for Bosch power tools.
In all correspondence and spare parts order,
please always include the 10-digit article
number given on the type plate of the machine.
WARNING! Important instructions for con-
necting a new 3-pin plug to the 2-wire cable.
The wires in the cable are coloured according to
the following code:
Do
not
connect the blue or brown wire to the
earth terminal of the plug.
Important:
If for any reason the moulded plug is
removed from the cable of this power tool, it
must be disposed of safely.
Spray jet pulsates
Not enough spray material in
container
Refill spray material
Venting hole on suction tube
10
clogged
Clean suction tube and hole
Air filter heavily soiled
Changing the Air Filter
Spray material too viscous
Thin down the spray material by
10% again and carry out a test-
spray run
Spray material drips from
the nozzle
Build-up of spray material on
nozzle
11
and air cap
2
Clean nozzle and air cap
Nozzle
11
worn
Replace nozzle
Nozzle
11
loose
Tighten union nut
3
No spray material emerges
from the nozzle
Nozzle
11
clogged
Clean nozzle
Suction tube
10
clogged
Clean suction tube
Venting hole on suction tube
10
clogged
Clean suction tube and hole
Suction tube
10
loose
Insert suction tube properly
No pressure build-up in
container
8
Screw container firmly against
spray gun
Spray material too viscous
Thin down the spray material by
10% again and carry out a test-
spray run
Problem
Cause
Corrective Measure
OBJ_BUCH-620-003.book Page 25 Thursday, January 31, 2008 2:05 PM
