18
| English
1 609 929 Y14 | (23.8.11)
Bosch Power Tools
Adjusting the Spray Pattern (see figure F)
f
Never actuate the trigger switch 9 while adjusting the
air cap 2.
– Loosen the union nut
3
.
– Turn the air cap
2
to the requested position.
– Firmly retighten the union nut.
Adjusting the Spraying Capacity (see figure G)
– To adjust the requested spraying capacity, turn the thumb-
wheel
5
:
I
: Min. spraying capacity,
IIII
: Max. spraying capacity.
Adjusting the Air Flow (see figure H)
– Turn control knob
16
to adjust the air flow and the pres-
sure for the spray material being used.
It is recommended to start with the maximum air flow.
Transport
The filled spray gun or a closed container with spray material
can be placed in the set-down port
17
for transport. The hold-
ing fixture retains the spray gun firmly in the set-down port.
Spray material cannot run out.
– Place down the spray gun on the set-down port and push in
against the resistance until tightly seated.
Maintenance and Service
Maintenance and Cleaning
f
Before any work on the machine itself, pull the mains
plug.
Cleaning (see figures I–K)
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 immerse the complete spray gun into the cleaning
agent.
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.
– Switch the base unit off and pull the trigger switch
9
of the
spray gun so that the spray material can flow back into the
container.
– Unscrew the container
8
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.
– Switch the base unit on and spray the diluting agent into an
empty material tin.
– Repeat the last three steps until clear diluting agent emerg-
es from the spray gun.
– Switch the base unit off again.
– Completely empty the container
8
.
– 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
3
and the air cap
2
.
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
5
in
direction
I
.
Not enough material on target
area:
The spraying capacity must
be increased.
– Turn the thumbwheel
5
in
direction
IIII
.
Minimal
air flow
Maximum
air flow
Air Flow
Adjustment
Too much fog of coating
material:
The air flow must be
reduced.
– Turn control knob
16
toward the left.
Atomisation too coarse:
The air flow must be
increased.
– Turn control knob
16
toward the right.
Air Flow
Adjustment
OBJ_BUCH-420-002.book Page 18 Tuesday, August 23, 2011 12:08 PM
