Choke; Cold Start Help (Tupfer) - Kärcher STH 8.66 W Bedienungsanleitung

Fault Possible cause
Engine does not Fuel tank empty.
start
Fuel idling for a long time.
Engine in cold state; choke not set to "ON/

CHOKE".

Gas lever no set to "fast".
Ignition plug not inserted.
Spark plug is dirty.
Spark plug is defective.
Carburetor is overflowing.
Cold start help (Tupfer) not activated.
Engine is running Choke set to "ON/CHOKE".
erratically
Ignition plug is loosely inserted.
Fuel idling for a long time. Water or dirt in the fuel
system.
Ventilation hole in tank lid blocked.
Machine does not Shearing bolts torn off.
clear snow
Snail or discharge shaft is blocked.
Clutch tension for snail drive is not set properly.
V-belt loose.
V-belt torn.
Machine does not Clutch tension for travel drive is not set properly. Adjust clutch tension (see "Setting the clutch for
move
V-Belt is loose or torn.
Friction wheel rubber is torn.
Excessive vibration Loose parts or damaged snail.
Gears can be Clutch tension for travel drive is not set properly. Adjust clutch tension (see "Setting the clutch for
switched with great
difficulty
Switching lever not adjusted properly.
Information about engine
The engine manufacturer assumes liability
for all engine-related problems as regards
output, output measurement, technical data,
warranty and servicing. For further details,
please refer the separate holder/ operator
manual of the engine manufacturer.
18
Troubleshooting
Remedy
Refill the fuel tank.
Remove the old fuel in a suitable container in the
open (See "Engine Instruction Booklet"). Fill up
the tank with clean, fresh fuel.
Set the choke to "ON/CHOKE".
Set the gas lever to "fast".
Insert the ignition plug into the spark plug.
Clean the spark plug (see "Engine Instruction
Booklet").
Replace the spark plug.
Set the choke to "RUN/OFF" and start.
Use the cold start help (Tupfer).
Choke set to "RUN/OFF".
Fix the spark-plug connector properly.
Remove the old fuel in a suitable container in the
open (See "Engine Instruction Booklet"). Fill up
the tank with clean, fresh fuel.
Clean tank lid and ventilation hole.
Replace shearing bolts (see "Replacing shearing
bolts").
Stop the engine, pull out the ignition plug. Re-
move the blockage.
Set clutch tension (see "Setting clutch for snail
drive").
Tighten V-Belt.
Replace V-belt.
travel drive").
Tighten the loose V-Belt. Replace torn V-Belt.
Replace friction wheel rubber.
Stop the engine immediately, pull out the ignition
plug. Tighten loose screws and nuts. Repair
damaged snail.
travel drive").
Check switching lever (see "Setting the switching
lever").
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