Husqvarna Z454X Bedienungsanweisung Seite 25

8. Fill the oil through the hole for the dipstick. Fill the oil
slowly.
Note:
Technical data on page 30 for the
Refer to
types of engine oil that Husqvarna recommends. Do
not mix different types of oil.
9. Tighten the dipstick fully before you start the engine.
To replace the engine oil
If the engine is cold, start the engine for 1–2 minutes
before you drain the engine oil. This makes the engine
oil warm and faster to drain.
WARNING:
for more than 1–2 minutes before you drain
the engine oil. The engine oil becomes very
hot and can cause burn injuries. Let the
engine become cool before you drain the
engine oil.
WARNING:
your body, clean with soap and water.
1. Park the product on level ground and stop the
engine.
2. Engage the parking brake. Refer to
disengage the parking brake on page 18 .
3. Remove all dirt around the oil tank cap.
4. Remove the oil tank cap and the dipstick.
5. Find the drain hose at the right rear part of the
engine. (Fig. 61)
6. Put a container below the oil drain hose.
7. Remove the oil drain plug.
8. Let the oil run out into the container.
9. Replace and install the oil drain plug.
10. Fill with new oil and do a check of the engine oil
To do a check of the engine oil level
level. Refer to
on page 24 .
11. Install the oil tank cap and the dipstick.
Note:
For safe disposal of used engine oil, refer to
Disposal on page 29 .
To remove air from the hydrostatic
system
You must remove air from the hydrostatic system
regularly to prevent high noise operation, high operation
temperature, component damage, excessive expansion
of hydraulic oil, and decrease of the drive. The first
time that air is removed from the hydrostatic system,
the drive wheels must be set above the ground. You
must also remove air from the hydrostatic system
1741 - 002 - 22.08.2023
Do not operate the engine
If you spill engine oil on
To engage and
each time the hydrostatic system has been opened for
maintenance and when hydraulic oil has been added.
1. Make sure that the hydraulic oil level is correct.
2. Disengage the parking brake.
3. Disengage the drive system. Refer to
and engage the drive system on page 18 .
4. Start the engine and apply fast idle speed. Refer to
To start the engine on page 18 .
5. Slowly move the control levers forward and rearward
approximately 5 or 6 times. When air is removed
from the hydrostatic system, the hydraulic oil level
will decrease.
6. Set the throttle control to idle speed. Refer to
Throttle control on page 11 .
7. Engage the drive system. Refer to
engage the drive system on page 18 .
8. Slowly move the control levers forward and rearward
for 5 or 6 times.
9. Stop the engine.
10. Do a check of the hydraulic oil level and fill hydraulic
oil if it is necessary.
11. If it is necessary, do the above steps again until all
air has been removed from the hydrostatic system.
When the product operates correctly, all air has been
removed from the hydrostatic system.
To do maintenance on the hydrostatic
transmission
CAUTION:
do warranty repairs must have an approval
before maintenance of a hydrostatic
transmission, unless the servicing dealer is
a current approved servicing center for the
brand of transmission being serviced.
• Do a check of the oil level in the expansion tanks. If
the engine is cold, make sure that the tanks are at
the FULL COLD level.
• Examine the drive belt, idler pulleys and idler
springs. Make sure that the drive belt has traction
and that the tension is correct.
• Examine the transmission cooling fan for broken and
bent blades.
• Remove grass, leaves and dirt.
• Examine the parking brake and vehicle linkage to
make sure that they operate correctly.
• Examine the vehicle control linkage to the directional
control arm on the transaxle.
• Make sure that the control arm is correctly attached
to the trunnion arm of the transaxle.
• Examine the bypass mechanism on the transaxle
unit linkage to make sure that it rotates and releases
fully.
To disengage
To disengage and
Servicing dealers that are to
25