MAINTENANCE 4.13 EVERY 2000 OPERATING HOURS OR YEARLY HYDRAULIC SYSTEM - CHANGE OIL, REPLACE SUCTION STRAINERS AND PULSATION DAMPER Legend for illust. Z 21787 (6) Hand wheel of main shut off valve between main oil reservoir and suction oil reservoir G To open the valve, turn hand wheel (6) CCW to the stop G 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 445 for replacement instructions. 443