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MAINTENANCE
HYDRAULIC SYSTEM - CHANGE OIL, REPLACE
SUCTION STRAINERS AND PULSATION DAMPER
Legend for illust. Z 21787
Hand wheel of main shut off valve between main oil
(6)
reservoir and suction oil reservoir
To open the valve, turn hand wheel (6) CCW to
the stop
To close the valve, turn hand wheel (6) CW to
the stop
NOTICE
Before starting the engines, make sure the shut
off valve is completely open by turning the hand
wheel (6) fully to the left (CCW).
(11)
Compensator
(12)
Intermediate pipe
(13)
Gaskets
(14)
Suction oil strainer
(15)
Suction oil reservoir
(16)
Drain coupling
Attach drain hose (part of tool set) to coupling (16) and drain oil
from suction oil reservoir. Remove intermediate pipe (12) and
strainer (14). Install new strainer (14) with new gaskets (13).
REMARK
There are six further strainers installed in the suction oil reser-
voir (15). Refer to page 471 for replacement instructions.
4.13 EVERY 2000 OPERATING HOURS OR YEARLY
469
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