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6. Pour new hydraulic oil into cartridge type element (4).
7. Coat O-ring (6) on new cartridge type element (4) with
hydraulic oil. Install cartridge type element (4) to filter
head (5) by turning the hexagonal section on the bottom
of cartridge type element (4) with a spanner. After O-ring
(6) comes in contact with the seal surface on filter head
(5), further tighten the element by 3/4 turns. Take care
not to damage cartridge type element (4) as it may
become deformed if overly tightened.
f
NOTE: When installing the element, take care not to allow
O-ring (6) to break due to twisting.
Check for oil leaks around the mounting surface of cartridge
type element (4).
8. After replacing the filter element, bleed air from the
hydraulic system and check the oil level in the hydraulic
oil tank.
(Refer to the descriptions for "Bleed Air from the
Hydraulic System in item
If the machine is operated without bleeding air mixed in
the hydraulic circuit, damage to the hydraulic pump may
result.
f
NOTE: Replace the element at the regular intervals. The
element keeps hydraulic oil clean and to extend hydraulic
components service life.
MAINTENANCE
". )
7-47
5
6
4
M4FG-07-030
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