Husqvarna Z454X Operator's Manual page 23

To do maintenance on the
hydrostatic transmission
CAUTION:
are to 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.
1741 - 001 - 08.11.2021
Servicing dealers that
B
C
E
• Examine the bypass mechanism on the transaxle
unit linkage to make sure that it rotates and
releases fully.
Lubrication, general information
• Remove the ignition key to prevent accidental
movements during lubrication.
• Use engine oil when you lubricate with an oil can.
• When you lubricate with grease, use a chassis or
ball bearing grease that prevents corrosion.
Remove unwanted grease after lubrication.
• Lubricate 2 times a week if you operate the
product daily.
• Do not spill lubricant on the drive belts or the
grooves of the belt pulleys. If you do spill, clean
with alcohol. If the friction between the drive belt
and the pulley is not sufficient after you clean
with alcohol, replace the drive belt.
CAUTION:
other petroleum products to clean drive
belts.
Lubrication schedule
A
A C
D
Do not use gasoline or
B
C
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