Husqvarna W21K 用户手册

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页码 50
English-
42
LUBRICATION
Change the oil after every 25 hours of 
operation or at least once a year if the lawn 
mower is not used for 25 hours in one year.
Check the crankcase oil level before starting 
the engine and after each five (5) hours of 
continuous use. Tighten oil plug securely 
each time you check the oil level.
To Change Engine Oil
NOTE: Before tipping lawn mower to drain 
oil, empty fuel tank by running engine until 
tank is empty.
1.
Disconnect spark plug wire from spark 
plug and place wire where it cannot 
come in contact with plug.
2.
Remove engine oil cap; lay aside on 
clean surface.
3.
Tip lawn mower on its side as shown and 
drain oil into a suitable container. Rock 
lawn mower back and forth to remove 
any oil trapped inside of engine.
4.
Wipe off any spilled oil from mower or 
side of engine.
5.
Replace engine oil cap.
The engine holds 0.90 qt.(0.85L)
6.
Slowly pour oil down the oil fill spout, 
stopping every few ounces to check the 
oil level with the dipstick.
7.
Stop adding oil when you reach the FULL 
mark on the dipstick. Wait a minute to 
allow oil to settle.
8.
Continue adding small amounts of oil, 
rechecking the dipstick until oil level 
settles at FULL. DO NOT overfill, or 
engine will smoke heavily from the 
muffler on startup.
9.
Always be sure to retighten oil dipstick 
before starting engine.
10. Reconnect spark plug wire to spark plug.
1
8019-041
Oil Fill
1. Oil Fill
8009-159
The dipstick markings
WARNING!
Engine oil can be very hot if it is 
drained directly after stopping 
the engine. Allow the engine to 
cool first.