Husqvarna LB 144 Operator's Manual page 12

Maintenance schedule
CAUTION:
is up and not against the ground when you
tilt the product. Risk of engine damage.
CAUTION:
start, remove the battery before you do
maintenance, repairs or clean the product.
Maintenance
Do a general inspection
Examine the oil level
Replace the oil (the first time after 5 h of use, then after each 50 h of
1
use)
Clean the product
Clean the area around the handle height adjustment bail
Examine the cutting equipment
Examine the cutting cover *
Examine the engine brake handle *
Examine the muffler *
Examine the spark plug. Clean or replace the spark plug if it is
necessary
Examine the air filter
2
Clean the air filter
Replace the air filter
Examine the fuel system
Clean the cooling fins on the cylinder
To do a general inspection
• Make sure that all nuts and screws on the product
are tightened correctly.
To clean the product externally
• Use a brush to remove leaves, grass and dirt.
• Make sure that the air intake on the top of the engine
is not blocked.
• Do not use a high pressure washer to clean the
product.
• If you use water to clean the product, do not flush
water directly on the engine.
1
If the product is operated with heavy load or in high ambient temperatures, replace the engine oil each 25
hours.
2
Clean more often under dusty conditions or when airborne debris is present. Replace air filter, if it is very dirty.
12
Make sure that the air filter
For models with electrical
The maintenance intervals are calculated from daily use
of the product. The intervals change if the product is not
used daily.
For maintenance identified with * refer to instructions in
Safety devices on the product on page 8 .
Daily
X
X
X
X
X
X
X
X
To clean the area around the handle
height adjustment bail
• Use a brush to remove leaves, grass and dirt.
(Fig. 30)
To clean the inner surface of the cutting
cover
1. Empty the fuel tank.
2. Tilt the product. Make sure that the spark plug point
up.
Monthly Each season
X
X
X
X
X
X
X
2172 - 003 - 24.08.2023