MAINTENANCE AND LUBRICATION 7
en-82
7.7 HYDRAULIC FILTER _______________________________________________________
The hydraulic system is protected by two 10 micron filters. Flow through the filter is
monitored while you operate the mower. When the difference in hydraulic pressure
across the filter is greater than 16 to 20 psi (1.1 to 1.4 BAR), the hydraulic oil filter
warning will be shown on the display. To make sure continued protection of the
hydraulic system, replace filter as soon as possible.
When you replace the filter, -
a Fill the new filter with hydraulic fluid and lubricate the filter O-ring with hydraulic fluid before you assemble
the new filter. Tighten the filter with your hand.
b Operate the engine at idle speed for five minutes to remove the air from the hydraulic system. The oil-level
light can illuminate and the horn can activate during the five minutes.
c Stop the engine and check the level of hydraulic fluid in the tank. Add the hydraulic fluid to the Full mark on
the dipstick.
NOTICE
During cold weather, the oil filter warning can be shown until the hydraulic fluid
becomes warm. Wait until the oil becomes warm and the warning turns off before
you operate the mower.
CAUTION
The Hydraulic Oil Can Damage Your Skin. Use Gloves When You Use Hydraulic Oil. If Hydraulic Oil Touches
Your Skin, Clean The Area Immediately.
CAUTION
Discard Used Hydraulic Oil As Shown In Local Safety Regulations.
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