VI-9
CHANGING HYDRAULIC OIL
Change the hydraulic oil as
described below. Be sure
to change the entire
hydraulic oil despite its
intermediate addition.
SIGHT
GAUGE
FILLER
CAP
DRAIN PLUG
Recommended oils: Esso Teresso 32
Shell Tellus Oil C32
Mobil DTE Oil Light
(ISO VG32 equivalent)
Tank capacity: 30 liters {7.9 US gal} for HFA-250 and HFA-250W
40 liters {10.6 US gal} for HFA-400 and HFA-400W
NOTE
O Dispose of the used hydraulic oil as specified by the manufacturer and by the
applicable government regulations in your country.
1 Turn off the shop circuit breaker switch.
2 Remove the hydraulic unit cover at the left side of the machine.
3 Remove the filler cap of the hydraulic oil tank.
4 Remove the drain plug of the hydraulic oil tank to drain the
hydraulic oil.
5 After the hydraulic oil is completely drained, replace the drain plug.
6 Pour a fresh hydraulic oil through the filler opening to the middle of
the sight gauge.
7 Securely tighten the filler cap.
8 Replace the hydraulic unit cover.
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