Troubleshooting Guide; Indicator Light - Kärcher HD 9/20-4 S Bedienungsanleitung

b Place a catch pan underneath the oil drain screw
to collect the engine oil.
Illustration J
Clip
1
O-ring
2
Plugs
3
Drainage channel
4
c Pull the clip out downwards.
d Pull out the plug.
e Drain the oil into a suitable collection container.
f Check the O-ring on the plug, replace if neces-
sary.
g Insert the plug and secure it with the clip.
h Wipe off any oil remaining in the drainage chan-
nel.
i Erect the device.
j Unscrew the fastening screw on the device hood.
k Remove the device hood.
l Remove the oil tank cap.
Illustration C
Cover
1
Oil tank
2
m Fill in new oil slowly so that air bubbles can es-
cape. See the "Technical data" section for the oil
volume and type.
n Replace the oil tank cap.
o Replace and secure the device hood.
p Operate the device for 5 minutes and then check
the oil level again.
Maintenance work
Replacing the high-pressure hose
WARNING
Risk of injury
The hose reel may turn very fast unexpectedly if it is re-
leased.
Carefully follow the steps below and secure the hose
reel as described.
Note
Only high-pressure hoses in the "Ultra Guard" version
are suitable for this device.
1. Lift off the cover on the hose reel with a screwdriver.
Illustration K
Cover
1
2. Completely unroll the high-pressure hose from the
hose reel.
3. Insert a 10 mm Allen key through the hexagonal
opening in the casing. Insert the key until the hose
reel is blocked.
Illustration L
Opening, hexagonal
1
Illustration M
Allen key SW 10
1
4. Unscrew the 2 screws.
Illustration N
Hose stopper
1
High-pressure hose
2
Screw
3
5. Remove the hose stopper from the high-pressure
hose.
6. Pull out the locking hook.
Illustration O
Hose connection
1
Washers
2
High-pressure hose.
3
Locking hook
4
7. Pull the high-pressure hose out of the hose connec-
tion.
8. Insert the new high-pressure hose through the hose
guide rollers and insert it into the hose connection.
Observe the direction of rotation of the hose reel.
Illustration P
Hose guide roller
1
9. Insert the locking hook into the hose connection.
10. Check that all washers are behind the locking hook.
11. Fit the hose stopper to the other end of the high-
pressure hose. Distance to the end of the hose
about 1 m (to the high-pressure gun).
12. Connect the device to the water supply and power
supply, put it into operation and check the connec-
tion for leaks.
13. Tension the hose and keep it tensioned. Pull out the
Allen key while the hose is taut.
14. Unlock the hose reel by pulling on the high-pressure
hose and let the high-pressure hose slowly roll up.
Control the reeling speed by holding the hose.
15. Replace the cover.

Troubleshooting guide

DANGER
Inadvertently starting up device, touching live com-
ponents
Risk of injury, electric shock
Switch off the device before performing any work on the
device.
Remove the mains plug.
Have all checks and work on electrical parts performed
by a qualified electrician.
In case of any malfunctions not mentioned in this chap-
ter, contact the authorised Customer Service.
Note
This function is only available with HD 10/25... and
HD 13/18...
The indicator light indicates operating states (green)
and malfunctions (red).
Resetting the indicator light
1. Set the power switch to "0".
2. Wait for a few seconds.
3. Set the trigger to "I".
Operating mode display
Continuous green light
The device is ready for operation.
Flashes green once
Standby mode has expired after 30 minutes of continu-
ous operation and the device is switched off (safety if
the high-pressure hose has burst).
English

Indicator light

21