Husqvarna 966553901 Lawn Mower User Manual


 
52
LUBRICATION
52
1
3
2
8065-036
1. Pump filter
2. Oil reservoir
3. Drain port
Changing the hydraulic pump oil and filter
Hydraulic Drive
Fluid and Filter Change
The hydraulic drive is designed with an external
filter for ease of maintenance. To ensure constant
fluid quality levels and longer life, an oil filter change
interval of every 500 hours is recommended.
The following procedure can be performed with the
pump installed in the vehicle, and the vehicle on level
ground.
1. Lock the vehicle parking brake.
2. Place an oil drain pan with a 2 gallon capacity
beneath the oil reservoir. Remove the drain port
and drain oil. Remove the oil filter from the pump.
3. After the oil has drained, wipe the filter base
Do not fill above
this level
Minimum fill level
Drain old oil filters of all free-flowing oil prior
to disposal. Place used oil in appropriate
containers and dispose of it in accordance
with laws in your area.
surface off and apply a film of new oil to the
gasket of the new replacement filter.
4. Prefill the oil filter with new oil and install the new
filter by hand. Turn ¾ to one full turn after the filter
gasket contacts the filter base surface.
5. Fill reservoir with synthetic 15W 50 oil to the level
of the lower hole in the fill tube. DO NOT fill above
the level of the upper hole. After purging, check
levels and add oil if necessary.
6. Reinstall the reservoir cap by hand. Do not
overtighten.
7. Proceed to the purge procedure.
8065-048