Correction Of Malfunctions - Bosch PFS 55 Originalbetriebsanleitung

OBJ_BUCH-670-002.book Page 19 Monday, August 22, 2011 1:10 PM
Changing the Air Filter (see figure L)
Note: Never operate the powr tool without the air filter. With-
out the air filter, dirt/contamination can be drawn in and can
influence the operation of the power tool.
The air filter must be replaced when soiled.
– Loosen screw 7.
– Remove the air filter cover 3.
– Replace the air filter.
– Reattach the air filter cover and screw in the screw again.

Correction of Malfunctions

Problem
Spray material does not cover
properly
Spray material runs off after
coating
Atomisation too course
Excessive paint mist
Spray jet pulsates
Spray material drips from the
nozzle
No spray material emerges from
the nozzle
Maintenance
If the machine should fail despite the care taken in manufac-
turing and testing procedures, repair should be carried out by
an after-sales service centre for Bosch power tools.
Bosch Power Tools
Material Disposal
Diluting agent and remainders of spray material must be dis-
posed of in an environmentally-friendly manner. Observe the
manufacturer's disposal information and the local regulations
for disposal of hazardous waste.
Chemicals harmful to the environment may not be disposed
of into soil, groundwater or bodies of water. Never pour
chemicals harmful to the environment into the sewerage sys-
tem!
Cause
Spraying capacity too low
Clearance to target area too large
Not enough spray material on target area,
too few spray paths sprayed over target area
Spray material too viscous
Too much spray material applied
Clearance to target area too close
Viscosity of spray material too low
Spray material applied too often over same
spot
Spraying capacity too high
Nozzle 20 soiled
Too little pressure build-up in container 11 Screw container firmly against spray gun
Spray material too viscous
Air filter heavily soiled
Too much spray material applied
Clearance to spray surface too large
Not enough spray material in container
Venting hole on suction tube 10 clogged
Air filter heavily soiled
Spray material too viscous
Build-up of spray material on nozzle 20 and
air cap 13
Nozzle 20 worn
Nozzle 20 loose
Nozzle 20 clogged
Suction tube 10 clogged
Venting hole on suction tube 10 clogged
Suction tube 10 loose
No pressure build-up in container 11
Spray material too viscous
In all correspondence and spare parts order, please always in-
clude the 10-digit article number given on the type plate of
the machine.
English | 19
Corrective Measure
Turn thumbwheel 15 in direction +
Reduce spray distance
Apply more spray paths over target area
Thin down the spray material by 10% again
and carry out a test-spray run
Turn thumbwheel 15 in direction –
Increase spray distance
Add original spray material
Remove spray material; reduce number of
spray paths over same spot
Turn thumbwheel 15 in direction –
Clean nozzle
Thin down the spray material by 10% again
and carry out a test-spray run
Changing the Air Filter
Turn thumbwheel 15 in direction –
Reduce spray distance
Refill spray material
Clean suction tube and hole
Changing the Air Filter
Thin down the spray material by 10% again
and carry out a test-spray run
Clean nozzle and air cap
Replace nozzle
Tighten union nut 14
Clean nozzle
Clean suction tube
Clean suction tube and hole
Insert suction tube properly
Screw container firmly against spray gun
Thin down the spray material by 10% again
and carry out a test-spray run
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