Bosch PFS 65 - Инструкция по эксплуатации - Страница 18

18

 | English 

1 609 92A 0AN | (14.10.13)

Bosch Power Tools

Correction of Malfunctions

Maintenance

If the replacement of the supply cord is necessary, this has to 
be done by Bosch or an authorized Bosch service agent in or-
der to avoid a safety hazard.

After-sales Service and Application Service

In all correspondence and spare parts order, please always in-
clude the 10-digit article number given on the type plate of 
the machine.

Our after-sales service responds to your questions concern-
ing maintenance and repair of your product as well as spare 
parts. Exploded views and information on spare parts can al-
so be found under:

www.bosch-pt.com

Bosch’s application service team will gladly answer questions 
concerning our products and their accessories.

Problem

Cause

Corrective Measure

Spray material does not cover 
properly

Spraying capacity too low

Turn thumbwheel 

5

 in direction 

IIII

Clearance to target area too large

Reduce spray distance

Not enough spray material on target area, 
too few spray paths sprayed over target area

Apply more spray paths over target area

Spray material too viscous

Thin down the spray material by 10 % again 
and carry out a test-spray run

Spray material runs off after 
coating

Too much spray material applied

Turn thumbwheel 

5

 in direction 

I

Clearance to target area too close

Increase spray distance

Viscosity of spray material too low

Add original spray material

Spray material applied too often over same 
spot

Remove spray material; reduce number of 
spray paths over same spot

Atomisation too coarse

Spraying capacity too high

Turn thumbwheel 

5

 in direction 

I

Nozzle 

11

 soiled

Clean nozzle

Too little pressure build-up in container 

8

Screw container firmly against spray gun

Spray material too viscous

Thin down the spray material by 10 % again 
and carry out a test-spray run

Air filter  heavily soiled

Changing the Air Filter

Excessive paint mist

Too much spray material applied

Turn thumbwheel 

5

 in direction 

I

Clearance to spray surface too large

Reduce spray distance

Spray jet pulsates

Not enough spray material in container

Refill spray material

Ventilation hole  on suction tube 

10

 clogged Clean the suction tube and the ventilation 

hole

Air filter  heavily soiled

Changing the Air Filter

Spray material too viscous

Thin down the spray material by 10 % again 
and carry out a test-spray run

Spray material drips from the 
nozzle

Build-up of spray material on nozzle 

11

 and 

air cap 

2

Clean nozzle and air cap

Nozzle 

11

 worn

Replace nozzle

Nozzle 

11

 loose

Tighten union nut 

3

No spray material emerges from 
the nozzle

Nozzle 

11

 clogged

Clean nozzle

Suction tube 

10

 clogged

Clean suction tube

Ventilation hole  on suction tube 

10

 clogged Clean the suction tube and the ventilation 

hole

Suction tube 

10

 loose

Insert suction tube properly

No pressure build-up in container 

8

Screw container firmly against spray gun

Spray material too viscous

Thin down the spray material by 10 % again 
and carry out a test-spray run

OBJ_BUCH-620-007.book  Page 18  Monday, October 14, 2013  2:04 PM