Maintenance - Husqvarna W50P Operator's Manual

• Do a check of the fuel and oil levels. An oil level that
is too low can cause damage to the product.
• Do a check of the air filter. Refer to
the air filter on page 11 .
To fill fuel
Use unleaded gasoline with octane number not less
than 90 RON (87 AKI).
CAUTION: Make sure that there is no
contamination in the gasoline and do not
use a mixture of oil and gasoline. Dirt or
water in the fuel tank can cause damage to
the product.
1. Stop the engine and let the product become cool.
To stop the product on page 9 .
Refer to
2. Make sure that the product is on level ground and in
an area with good air flow.
3. Remove the fuel tank cap.
4. Carefully fill the fuel tank to 25 mm/1 in. below the
top of the fuel tank (A). (Fig. 18)
5. Clean the product from fuel spillage.
CAUTION: Fuel spillage is a fire risk and
can cause damage to the environment.
To fill the product with water
Before operation, it is necessary to fill the product with
water to prevent damage to the product.
1. Remove the pump chamber cap (A) from the pump
chamber. (Fig. 19)
2. Fill water to the lower surface of the discharge outlet
(B).
3. Install and tighten the pump chamber cap.
To start the product
CAUTION: Do not operate the product dry.
Fill the product with water before operation
to prevent damage to the pump seal. Refer
To fill the product with water on page 9 .
to
1. Set the fuel valve lever (A) to the ON position. (Fig.
20)
2. Set the choke lever to the correct position.
Introduction
WARNING: Read and understand the safety
chapter before you do maintenance on the
product.
1421 - 004 - 09.07.2020
To do a check of
3. Apply approximately 1/3 throttle (C). (Fig. 23)
4. Put the ON/OFF switch (D) to the ON position. (Fig.
5. Pull the starter rope handle (E) slowly until you feel
6. Pull the starter rope handle quickly and with force
7. Move the starter rope handle back slowly into its
8. If the engine is cold, open the choke gradually as the
To set the engine speed and pump
output
1. Move the throttle lever fully to the left to increase the
2. Do a check of the pump output.
3. Adjust the pump output with the throttle lever (A) if it
To stop the product
1. Decrease the engine speed with the throttle lever
2. Set the ON/OFF switch (B) to the OFF position. (Fig.
3. Set the fuel valve lever (C) to the OFF position. (Fig.
4. After the product has stopped, clean the product.

Maintenance

Maintenance schedule
* Clean at a more regular interval if the product is used
in conditions with much dust.
** Maintenance is only necessary if operation problems
occur. Speak to an approved servicing dealer.
a) If the engine is cold, close the choke (B). (Fig.
21)
b) If the engine is warm, open the choke (B). (Fig.
22)
24)
resistance. (Fig. 25)
until the engine starts.
initial position to prevent damage to the product.
engine becomes warm.
engine speed.
is necessary. (Fig. 26)
Note: The pump output is related to the engine
speed and is adjusted with the throttle lever.
a) Move the throttle lever to the left to increase the
pump output.
b) Move the throttle lever to the right to decrease
the pump output.
WARNING: If an emergency occurs,
immediately set the ON/OFF switch to the
OFF position to stop the engine.
(A). (Fig. 27)
28)
29)
To clean the product on page 11 .
Refer to
9