Correction Of Malfunctions - Bosch PFS 55 Originalbetriebsanleitung

– Clean the outside of the container and the
spray gun with a cloth moistened in paint
thinner.
– Unscrew the union nut 14 and the air cap 13.
– Clean the nozzle 20 and the nozzle needle
with diluting agent.
From time to time, the nozzle seal 21 must also
be cleaned.
– Remove the nozzle 20 and the nozzle seal 21.
If required, use a pointed object, as the noz-
zle seal is seated firmly to the spray gun.
– Clean the nozzle seal with diluting agent.
– Reinstall the nozzle seal in the spray gun. Pay
attention that the groove points away from
the spray gun.
– Mount the nozzle onto the spray gun body
and turn it to the correct position.
– Mount the air cap 13 onto the nozzle and
tighten with the union nut 14.
Cleaning the Venting Hose (see figure G)
When the venting hose 17 is contaminated with
spraying material, it must be cleaned.
– Remove the vent cover 12.
– Pull off the venting hose 17.
– Unscrew the venting valve 18.
– Remove the membrane 19.
– Clean the venting hose, the venting valve and
the membrane with an appropriate paint
thinner.

Correction of Malfunctions

Problem
Spray material does not
cover properly
Bosch Power Tools
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
– After cleaning, reinsert the membrane again
first. Pay attention that the longer rod faces
upward.
– Screw the venting valve on again.
– Afterwards, attach the venting hose to the
valve first, then at the top on the spray gun.
– Reattach the vent cover again.
Changing the Air Filter (see figure L)
Note: Never operate the powr tool without the
air filter. Without the air filter, dirt/contamina-
tion can be drawn in and can influence the oper-
ation 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 disposed 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 system!
Corrective Measure
Turning the thumbwheel 15 in
direction +
Reduce spray distance
Apply more spray paths over tar-
get area
Thin down the spray material by
10% again and carry out a test-
spray run
English | 25
1 609 929 L54 | (18.2.08)