Bosch PFS 55 - Manual (Page 19)

English | 19
Bosch Power Tools 1 609 929 Y12 | (22.8.11)
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.
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!
Correction of Malfunctions
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.
In all correspondence and spare parts order, please always in-
clude the 10-digit article number given on the type plate of
the machine.
Problem Cause Corrective Measure
Spray material does not cover
properly
Spraying capacity too low Turn thumbwheel 15 in direction +
Clearance to target area too large Reduce spray distance
Not enough spray material on target area,
too few spray paths sprayed over target area
Apply more spray paths over target area
Spray material too viscous Thin down the spray material by 10% again
and carry out a test-spray run
Spray material runs off after
coating
Too much spray material applied Turn thumbwheel 15 in direction –
Clearance to target area too close Increase spray distance
Viscosity of spray material too low Add original spray material
Spray material applied too often over same
spot
Remove spray material; reduce number of
spray paths over same spot
Atomisation too course Spraying capacity too high Turn thumbwheel 15 in direction –
Nozzle 20 soiled Clean nozzle
Too little pressure build-up in container 11 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
Air filter heavily soiled Changing the Air Filter
Excessive paint mist Too much spray material applied Turn thumbwheel 15 in direction –
Clearance to spray surface too large Reduce spray distance
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 20 and
air cap 13
Clean nozzle and air cap
Nozzle 20 worn Replace nozzle
Nozzle 20 loose Tighten union nut 14
No spray material emerges from
the nozzle
Nozzle 20 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 11 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
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