OBJ_BUCH-420-002.book Page 18 Tuesday, August 23, 2011 12:08 PM
18 | English
Adjusting the Spray Pattern (see figure 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.
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
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.
Spraying capacity
Too much material on target
area:
Not enough material on target
area:
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.
Minimal
air flow
It is recommended to start with the maximum air flow.
Air Flow
Too much fog of coating
material:
1 609 929 Y14 | (23.8.11)
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
Maintenance and Service
Maintenance and Cleaning
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.
Adjustment
Always clean the spray gun and the container with the respec-
tive diluting agent (paint thinner or water) for the spray mate-
The spraying capacity must
rial being used.
be reduced.
Never immerse the complete spray gun into the cleaning
– Turn the thumbwheel 5 in
agent.
direction I.
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
The spraying capacity must
material drum/tin for storage.
be increased.
Clean the spray gun thoroughly after having sprayed material
– Turn the thumbwheel 5 in
hazardous to one's health.
direction IIII.
– Switch the base unit off and pull the trigger switch 9 of the
– Unscrew the container 8 and empty the remaining spray
– Fill diluting agent (paint thinner or water) into the contain-
– Shake the spray gun several times.
Maximum
– Switch the base unit on and spray the diluting agent into an
air flow
– Repeat the last three steps until clear diluting agent emerg-
Adjustment
– Switch the base unit off again.
The air flow must be
– Completely empty the container 8.
reduced.
– Check if the suction tube with the container seal 10 is free
– Turn control knob 16
toward the left.
– Clean the outside of the container and the spray gun with a
– Unscrew the union nut 3 and the air cap 2.
Air Flow
Adjustment
Atomisation too coarse:
The air flow must be
increased.
– Turn control knob 16
against the resistance until tightly seated.
Before any work on the machine itself, pull the mains
plug.
spray gun so that the spray material can flow back into the
container.
material.
er and screw it to the spray gun.
empty material tin.
es from the spray gun.
of spray material and undamaged.
cloth moistened in paint thinner.
toward the right.
Bosch Power Tools