Husqvarna W50P Operator's Manual page 10

Maintenance
Do a check of the engine oil level.
Replace the engine oil.
Do a check of the air filter.
Clean the air filter.
Do a check of the spark plug.
Replace the spark plug.
Clean the spark arrester screen (if applicable).
Clean the sediment cup.
Do a check and adjust the engine speed.
Do a check and adjust the valve clearance.
Clean the combustion chamber.
Clean the fuel tank and fuel filter.
Do a check of the fuel tube.
Do a check of the impeller and impeller clearance.
Do a check of the pump inlet valve.
To do a check of the engine oil level
CAUTION: Do not operate the product with
low engine oil level. It can cause damage to
the engine.
CAUTION: Use detergent engine oil for 4-
stroke engines with the viscosity range
shown in the illustration.
(Fig. 30)
1. Stop the product fully and make sure that the
product is on level ground.
2. Remove the oil tank cap and dipstick (A). (Fig. 31)
3. Clean the oil from the dipstick.
4. Put the dipstick back fully into the oil tank.
5. Remove the dipstick.
6. Examine the engine oil level on the dipstick.
7. If the engine oil level is low (B), fill engine oil to the
edge of the oil tank hole (C).
8. Do a check of the engine oil level again.
9. Install the oil tank cap and dipstick.
10
Maintenance interval in hours
Daily
mainte-
20 hours
nance
or each
before
month
operation
X
X
X
After each 500 hours or 2 years.
After each 500 hours or 2 years.
To replace the engine oil
Note: Drain the engine oil while the engine is warm.
Warm engine oil is faster to drain.
WARNING: The engine oil becomes very hot
and can cause burn injuries. Let the engine
become cool before you drain the engine oil.
1. Put an applicable fuel container below the drain hole
on the engine.
2. Remove the oil tank cap and dipstick (A). (Fig. 32)
3. Remove the drain plug (B) and sealing washer (C).
Discard the sealing washer.
4. Let the engine oil drain fully into the fuel container.
5. Install a new sealing washer and the drain plug.
6. Fill engine oil. Refer to
oil level on page 10 .
7. Install the oil tank cap and dipstick and tighten it.
8. Recycle the used engine oil at an approved disposal
location.
300
100
50 hours hours or
hours or
or each 3 1 time
each 6
months each
months
year
X
X*
X
X
X
X**
To do a check of the engine
1421 - 004 - 09.07.2020
X
X**
X**
X**
X**