After-Sales Service And Application Service - Bosch UniversalSpray 18V-300 Manual Original

Problem Cause
Spray material runs off after Too much spray material applied
coating
Clearance to target area too close
Viscosity of spray material too low
Spray material applied too often over same
spot
Atomisation too coarse Spraying capacity too high
Nozzle needle (11) contaminated
Spray material too viscous
Air filter (20) heavily contaminated
Excessive paint mist Spraying capacity too high
Clearance to target area too large
Spray jet pulsates Not enough spray material in container
Ventilation hole (13) on suction tube (8)
clogged
Suction tube (8) loose
Paint nozzle (10) sits loosely
Air filter (20) heavily contaminated
Spray material too viscous
Spray material dripping at Deposit of spray material on the paint
the paint nozzle nozzle (10), the nozzle needle (11) and the air
cap (3)
Paint nozzle (10) sits loosely
No spray material coming Suction tube (8) loose
out of the paint nozzle
Nozzle needle (11) clogged
Suction tube (8) clogged
Ventilation hole (13) on suction tube (8)
clogged
Container seal (12) missing or damaged
Spray material too viscous
Spray material dirty (lumps of paint)

After-Sales Service and Application Service

Our after-sales service responds to your questions concern-
ing maintenance and repair of your product as well as spare
parts. You can find explosion drawings and information on
spare parts at: www.bosch-pt.com
The Bosch product use advice team will be happy to help you
with any questions about our products and their accessor-
ies.
Bosch Power Tools
Corrective measures
Turn the thumbwheel (6) anticlockwise
Increase spray distance
Add original spray material
Remove spray material; reduce number of
spray paths over same spot
Turn the thumbwheel (6) anticlockwise
Clean the nozzle needle
Dilute the spray material again and carry out a
test-spray run
Change the air filter
Turn the thumbwheel (6) anticlockwise
Reduce spray distance
Refill the spray material
Clean the suction tube and the ventilation hole
Slide the suction tube all the way onto the paint
channel (14)
Tighten the paint nozzle
Change the air filter
Dilute the spray material again and carry out a
test-spray run
Clean the paint nozzle, nozzle needle and air
cap
Tighten the paint nozzle
Slide the suction tube all the way onto the paint
channel (14)
Clean the nozzle needle
Clean the suction tube
Clean the suction tube and the ventilation hole
Slide a (new) container seal over the suction
tube into the groove
Dilute the spray material again and carry out a
test-spray run
Completely empty and clean the spray gun;
pour the spray material through the filling sieve
when filling
In all correspondence and spare parts orders, please always
include the 10‑digit article number given on the nameplate
of the product.
Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham Uxbridge
UB 9 5HJ
At www.bosch-pt.co.uk you can order spare parts or arrange
English | 25
1 609 92A 9JV | (26.03.2024)