Husqvarna ST 427 Owner Manual - Page 17

To replace the engine oil

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Maintenance Inspect and replace the spark plug before use at the start of a season and at recommended interval Daily At 15 hour inter- At 20 hour inter- At 40 hour inter- At 100 hour in- vals vals vals tervals X Note: The gearbox does not need maintenance. To do a general inspection • Make sure that all nuts and screws on the product are tightened correctly. Oil change reminder The oil change reminder (A) is a function that points out that an oil change is necessary. The oil change reminder lights up the oil can symbol on the display after 20 hours of operation. The oil can symbol is then on for 2 hours or until a manual reset is done. A To reset the oil change reminder 1. Turn the ON/OFF key to the ON position, and keep it in the ON position for 1 second. 2. Turn the ON/OFF key to the STOP position, and keep it in the STOP position for 1 second. 3. Do this procedure 4 more times. To do a check of the oil level CAUTION: A too low oil level can do damage to the engine. Do a check of the oil level before you start the product. 1. Put the product on level ground. 2. Remove the oil tank cap with the attached dipstick. 3. Clean the oil from the dipstick. 4. Put the dipstick fully into the oil tank to give a correct picture of the oil level. 5. Remove the dipstick. 6. Examine the oil level on the dipstick. 7. If the oil level is low, fill with engine oil and do a check of the oil level again. To replace the engine oil 1. Run the engine a few minutes to make the oil warm. Warm oil flows better and includes more contaminants. WARNING: The engine oil is hot. Avoid skin contact with the used engine oil. 2. Put the product on level ground. 3. Remove the ON/OFF key. 4. Put a container below the oil drain plug. 5. Remove the oil drain plug, tip the product and drain the used oil in the container. 6. Put the product back to the operating position. 7. Install the oil drain plug and tighten it by hand. 8. Fill the engine with oil, see To fill the engine with oil on page 12. To lubricate the product • Lubricate the pivot points (A) with oil. • Lubricate the engine (B) with oil. • Lubricate the interlock catches (C) with a small quantity of lithium grease. • Lubricate the cable connections for the drive and auger levers (D) with oil. D C AB 876 - 011 - 11.05.2020 17

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Maintenance
Daily
At 15 hour inter-
vals
At 20 hour inter-
vals
At 40 hour inter-
vals
At 100 hour in-
tervals
Inspect and re-
place the spark
plug before use
at the start of a
season and at
recommended
interval
X
Note:
The gearbox does not need maintenance.
To do a general inspection
•
Make sure that all nuts and screws on the
product are tightened correctly.
Oil change reminder
The oil change reminder (A) is a function that points
out that an oil change is necessary. The oil change
reminder lights up the oil can symbol on the display
after 20 hours of operation. The oil can symbol is
then on for 2 hours or until a manual reset is done.
A
To reset the oil change reminder
1.
Turn the ON/OFF key to the ON position, and
keep it in the ON position for 1 second.
2.
Turn the ON/OFF key to the STOP position, and
keep it in the STOP position for 1 second.
3.
Do this procedure 4 more times.
To do a check of the oil level
CAUTION:
A too low oil level can do
damage to the engine. Do a check of the
oil level before you start the product.
1.
Put the product on level ground.
2.
Remove the oil tank cap with the attached
dipstick.
3.
Clean the oil from the dipstick.
4.
Put the dipstick fully into the oil tank to give a
correct picture of the oil level.
5.
Remove the dipstick.
6.
Examine the oil level on the dipstick.
7.
If the oil level is low, fill with engine oil and do a
check of the oil level again.
To replace the engine oil
1.
Run the engine a few minutes to make the oil
warm. Warm oil flows better and includes more
contaminants.
WARNING:
The engine oil is hot.
Avoid skin contact with the used
engine oil.
2.
Put the product on level ground.
3.
Remove the ON/OFF key.
4.
Put a container below the oil drain plug.
5.
Remove the oil drain plug, tip the product and
drain the used oil in the container.
6.
Put the product back to the operating position.
7.
Install the oil drain plug and tighten it by hand.
8.
Fill the engine with oil, see
To fill the engine with
oil on page 12
.
To lubricate the product
•
Lubricate the pivot points (A) with oil.
•
Lubricate the engine (B) with oil.
•
Lubricate the interlock catches (C) with a small
quantity of lithium grease.
•
Lubricate the cable connections for the drive and
auger levers (D) with oil.
A
B
C
D
876 - 011 - 11.05.2020
17