Bosch PPR 250 User Manual download pdf (Page 19)

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Bosch Power Tools 2 609 005 736 | (16.1.12)

Maintenance and Service

f Before any work on the machine itself, pull the mains

plug.

Cleaning

After painting, the system must be pumped empty and all

paint-carrying parts must be cleaned.

There are two possibilities for cleaning the system:

– EasyClean: Using universal connectors, the system is con-

nected to a water tap and flushed.

– Alternative possibility: The system pumps fresh water

from a bucket for cleaning.

Proper cleaning is a prerequisite for perfect operation of the

electric paint roller. No warranty claims can be undertaken if

cleaning is not carried out or is carried out incorrectly.

Keep the base unit, the holding clip 28 and the remote control

8 clean. Clean them with a moist cloth. The base unit and the

remote control may not be immersed into water.

Always clean the paint roll, the paint applicator and the hose

system with water.

Preparation

– Place down the paint applicator 3 on the edge of the paint

bucket so that it rests on the bucket holder 14.

– Loosen the double-SDS-connector 27 from the holding

clip 28 and completely remove the intake hose 4 and the

paint filter 22 from the paint bucket.

– Remove the paint roll 16 from the paint applicator 3 (see

“Changing the Paint Roll”, page 18).

– Hold the paint applicator 3 above the paint bucket and

press the trigger switch 7 until the hose system is pumped

empty and no more paint comes out of the paint applica-

tor.

– Release the trigger switch 7 and switch the power tool off.

– Pull the mains plug from the socket outlet.

EasyClean (see figures G1–G4)

Note: Use only the supplied hoses and adapters for connect-

ing to the water supply.

Preparing the water tap:

– Unscrew the mixing nozzle from a water tap using the sup-

plied mixing-nozzle spanner 30 or a suitable tool.

– Screw the fitting adapter 31 (M22 or M24 thread) in or on

the water tap.

Additional water-tap adapters are available in the Bosch

accessories program.

Separating paint-carrying components:

– Unlatch holding clamp 21.

– Disengage pump lock 23.

To relieve the lock tension, lightly push the pump lid 20 up-

ward, if required.

– Push the pump lid 20 downward to the stop and then care-

fully lift it out of the housing opening of base unit 5.

– Loosen the SDS connection 32 at the bottom part of the in-

take hose 4.

Flushing the system:

– Carry the paint applicator

3, feed hose 2, pump lid 20 and

intake hose 4 to the prepared water tap.

Please note that paint may escape or leak from the system.

– Attach the double-SDS-connector 27 to adapter 31 on the

water tap.

– Hold the paint applicator 3 over a suitable collecting con-

tainer (e. g. a bucket).

– Carefully open the water tap and run lukewarm water

through the system.

– When flushing, lightly press pump hose 33 together sever-

al times.

This will lead to better cleaning results.

Additionally, this also cleans bypass hose 34, which pre-

vents the rotor from overloading in case of excessive pres-

sure in the hose system.

– Flush the system until only clear water comes out of the

paint applicator.

– Clean the paint filter 22 and the intake hose 4 (connect

SDS connection 32 to the water tap and flush; additional

cleaning of paint filter with brush).

– Release the adapter 31 from the water tap and from the

double-SDS-connector 27.

Screw the mixing nozzle back onto water tap.

Cleaning the paint applicator and the paint roll:

– See “Cleaning the Paint Applicator and the Paint Roll”,

page 20.

Mounting together the dried components:

– Allow all components to dry thoroughly.

If possible, hang up the paint roll 16 to dry.

If the paint roll is placed down to dry, the pile will be de-

formed. This may lead to an uneven surface quality when

using the paint roller the next time.

– Reconnect the intake hose 4 to the SDS connection 32 on

the paint filter 22.

– Manually turn rotor 35 to the indicated position (see figure

G4) in order to avoid damage to pump hose 33 when in-

serting pump lid 20.

– Reinsert the pump lid 20 into the housing opening and

push it upward to the stop.

– Shut pump lock 23 until it engages.

– Lock holding clamp 21 again.

Alternative Cleaning Method (see figure H)

Note: This cleaning method takes somewhat longer than the

EasyClean method.

– Couple base unit 5 to the water bucket (also see “Coupling

the Base Unit and the Paint Bucket”, page 17).

– Insert paint filter 22 to the bottom of the water bucket.

– Fasten the intake hose 4 in the holding clip 28.

– Plug the mains plug into a socket outlet.

– Make sure that the pump lock 23 is engaged.

–To start the machine, push the On/Off switch 18 to the “I”

position.

– Hold paint applicator 3 over a suitable collecting container

(e.g. a bucket) and actuate trigger switch 7 until only clear

water comes out of the paint applicator and no more paint

can be seen in the hoses (visual check).

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