Bosch PFS 55 - Manual (Page 18)

18 | English
1 609 929 Y12 | (22.8.11) Bosch Power Tools
Adjusting the Spray Pattern (see figure E)
f
Never actuate the trigger switch 16 while adjusting the
air cap 13.
– Loosen the union nut 14.
– Turn the air cap 13 to the requested position.
– Firmly retighten the union nut.
Adjusting the Spraying Capacity (see figure F)
– To adjust the requested spraying capacity, turn the thum-
bwheel 15:
–: Min. spraying capacity,
+: Max. spraying capacity.
Maintenance and Service
Maintenance and Cleaning
f Before any work on the machine itself, pull the mains
plug.
f Never immerse the electrical unit into solvent or water.
Clean the housing using only a moist cloth.
Cleaning (see figures H–I)
Proper cleaning is the requirement for flawless operation of
the spray gun. Improper or lack of cleaning voids warranty
claims.
Always clean the spray gun and the container with the respec-
tive diluting agent (paint thinner or water) for the spray mate-
rial being used.
Never clean the nozzle and air holes of the spray gun with
pointed metal objects.
Do not pour diluted spray material back into the original spray
material drum/tin for storage.
Clean the spray gun thoroughly after having sprayed material
hazardous to one's health.
– Unplug the mains plug and pull the trigger switch 16 so that
the spraying material can flow back into the container.
– Remove the electrical unit. (see page 16)
– Unscrew the container 11 and empty the remaining spray
material.
– Fill diluting agent (paint thinner or water) into the contain-
er and screw it to the spray gun.
– Shake the spray gun several times.
– Connect the spray gun to the electrical unit again. (see
page 16)
– Plug the mains plug into a socket outlet, pull the trigger
switch and spray the diluting agent into an empty material
tin.
– Repeat the process until clear diluting agent emerges from
the spray gun.
– Unplug the mains plug and remove the electrical unit.
– Completely empty the container 11.
– Check if the suction tube with the container seal 10 is free
of spray material and undamaged.
– 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 nozzle seal is seat-
ed 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 ma-
terial, 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 mem-
brane with an appropriate paint thinner.
– After cleaning, reinsert the membrane again first. Pay at-
tention 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.
Air cap Jet Application
A
Vertical flat jet for horizontal
working direction
B
Horizontal flat jet for vertical
working direction
C
Round jet for corners, edges and
hard to reach locations
Spraying capacity Adjustment
Too much material on target area: The spraying capacity
must be reduced.
– Turn the thumbwheel
15 in direction –.
Not enough material on target ar-
ea:
The spraying capacity
must be increased.
– Turn the thumbwheel
15 in direction +.
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