Bosch PFS 5000 E Original Instructions Manual page 27

Problem Cause
White nozzle cap (10) mounted (nozzle dia-
meter too large)
Nozzle needle (15) contaminated
Spray material too viscous
Air filter (30) heavily contaminated
Excessive paint mist Too much spray material applied
Air flow too high
Clearance to target area too large
Spray jet pulsates Not enough spray material in container
Ventilation hole (18) on suction tube (17)
clogged
Suction tube (17) loose
Container seal (16) not positioned or not cor-
rectly positioned in groove of suction tube (17)
Nozzle cap (10)/(11)/(12) loose
Air filter (30) heavily contaminated
Spray material too viscous
Spray material dripping at Deposit of spray material on the nozzle
the nozzle cap cap (10)/(11)/(12), the nozzle needle (15)
and the air cap (2)
Nozzle cap (10)/(11)/(12) loose
No spray material coming Base unit is switched off
out of the nozzle cap
No pressure build-up in container (7) due to
container not being completely closed
Suction tube (17) loose
Nozzle needle (15) clogged
Suction tube (17) clogged
Ventilation hole (18) on suction tube (17)
clogged
Container seal (16) 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 measure
Mount the grey nozzle cap (11) or the black
nozzle cap (12)
Clean nozzle needle
Dilute the spray material again and carry out a
test-spray run
Change air filter
Turn the thumbwheel (4) towards setting 1
Turn the air flow control (25) to the left
Reduce spray distance
Refill spray material
Clean the suction tube and the ventilation hole
Slide the suction tube all the way onto the paint
channel (19)
Mount the container seal precisely all around in
the suction tube groove
Tighten the nozzle cap
Change air filter
Dilute the spray material again and carry out a
test-spray run
Clean the nozzle cap, nozzle needle and air cap
Tighten the nozzle cap
Press the on/off button (25)
Turn the container (7) towards the close sym-
bol until you hear the lock ring (6) engage
Slide the suction tube all the way onto the paint
channel (19)
Clean nozzle needle
Clean 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 (13) 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
English | 27
1 609 92A 686 | (17.06.2021)