Karcher STH 8-66 - Manual (Page 20)

English Operating Manual – Snowthrower
20
Maintenance
Maintenance schedule
Once in the season:
Have the machine checked over and
maintained in a specialist workshop.
Each time before using the
machine:
Check the oil level and top up as
necessary.
Check all screw fittings for firm
seating, tighten them if necessary.
Check the safety features.
Maintenance tasks
After use 10 h 25 h 50 h End of
season
As
required
Clean throw-out chute, worm and worm casing •
Clean air filter •
Replace air filter 1 ) •
Change oil 3 ) • 4 )
Lubricate mobile and rotating parts •
Clean spark plugs 1 ) •
Have spark plugs changed 2 ) •
Check tyre pressure, increase as required •
Clean air cooling system and exhaust 1 ) l •
Check coupling adjustment, readjust as
required
•
Have the carburettor setting checked 2 ) •
Inspect the clearing plate, replace worn-out
clearing plate
•
Check skids, replace worn-out skids in pairs •
Check caterpillar track, readjust as required.
Replace defective caterpillar track
•
Replace fuel filler cap •
Have exhaust silencer replaced 2 ) •
1 ) See “Engine instructions”
2 ) Have this work carried out only by a specialist workshop
3 ) First oil change after 5 hours
4 ) Oil change every 25 hours of heavy work