Hyundai HX145LCR Manual page 471

2) INSTALL
(1) Carry out installation in the reverse order to
removal.
(2) Remove the suction strainer and clean it.
(3) Replace return filter with new one.
Remove breather and clean it.
(4)
(5) After adding oil to the hydraulic tank to the
specified level.
Bleed the air from the hydraulic pump.
(6)
Remove the air vent plug (2EA).
Tighten plug lightly.
Start the engine, run at low idling, and
check oil come out from plug.
Tighten plug.
(7) Start the engine, run at low idling (3~5
minutes) to circulate the oil through the
system.
Confirm the hydraulic oil level and check
(8)
the hydraulic oil leak or not.
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