7 MAINTENANCE AND LUBRICATION
en-72
7.7 HYDRAULIC FILTER _______________________________________________________
The hydraulic system is protected by one 10 micron filter. A 40 psi (2.7 BAR) pressure switch
(A) is on the side of the filter head. When service is needed, a signal is sent to the mower
controllers.
When you replace the filter:
a Fill the new filter with hydraulic fluid and lubricate the filter O-ring with hydraulic fluid
before you install 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.
c Stop the engine and check the level of hydraulic fluid in the tank. Add hydraulic fluid
until the level is at the Full mark on the dipstick.
CAUTION
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 in accordance with local safety regulations.
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