Kärcher HD 1050 B, Руководство по обслуживанию

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HD 1050 Trouble shooting
13
2.7 No detergent is drawn in
Detergent check valve sticking.
Pull suction hose from the hose nipple.
Unscrew the hose nipple using a 19 mm
wrench.
Caution: The non-return valve could fall out.
Remove the spring, ball and O-ring and clean
them.
Replace the O-ring (without grease), ball and
spring.
Note: The smaller end of the spring has to face
towards the ball.
2.8 Air is drawn in when working with detergent
or water is entering the detergent container
Suction hose not fitting firmly over the hose
nipple.
Detergent metering valve spindle leaks.
Detergent non-return valve defective or fitted
incorrectly.
Pull the hose off the nipple. Unscrew the hose
nipple.
Check the spring, ball and O-ring and replace
parts if necessary. Insert the O-ring, ball and
spring in the screw connector.
Caution: Be sure to insert the spring and ball in
the correct order.
Remount the hose nipple and connect the
suction hose.
Pull off the adjusting knob.
Screw out the metering spindle.
Replace the upper O-ring.
Replace the O-ring set complete.
Tighten the metering valve spindle hand-tight
and install the knob. Make sure the stop on the
knob does not hit the stop on the housing.
2.9 Injector defective
Screw out the injector with the aid of a suitable
screwdriver.
Replace the O-rings or, if necessary, replace the
complete injector.