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JACOBSEN AR3
SAFETY, OPERATORS & MAINTENANCE MANUAL
8 MAINTENANCE & LUBRICATION
Change Hydraulic Oil Filter
(a) Wipe filter canister (A) and housing to
remove any dirt present.
(b) Place a suitable drip tray under the filter.
(c) Unscrew filter and dispose of safely.
(d) Replace with new filter canister (A).
(e) Coat the top outside lip of the filter canister
with a thin film of oil, fill filter with clean
hydraulic fluid and refit the filter canister.
(f) Filter should be replaced before refilling
hydraulic tank.
CAUTION
Contact with hydraulic oil can damage your
skin. Use gloves when working with hydraulic
oil. If you come in contact with hydraulic oil,
wash it off immediately.
CAUTION
Dispose of used hydraulic oil in accordance
with local regulations.
8.5 HYDRAULIC SYSTEM
Check Hydraulic Oil Level
Check hydraulic oil level using dipstick
attached to the filler cap (B). The correct
level is between the two markers (C).
Change Hydraulic Oil
(a) Remove drain plug (A) if fitted from bottom
of hydraulic tank and wipe off plug. Or
remove pump suction hose (D)
(b) Allow tank to drain and replace plug or
pump suction hose.
(c) Refill tank with the correct quantity and
grade of Hydraulic Oil through the filler cap.
(B).
IMPORTANT-Whenever the closed loop
transmission circuit has been broken into,
it is essential that the circuit is flushed prior
to use. Absolute cleanliness must be
observed when filling the hydraulic tank.
Oil must be filtered through a 25 micron
filter before entering the hydraulic tank.
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