Throughout this procedure, all fittings and openings must be capped or plugged
immediately after opening to prevent dirt, moisture, or foreign material from
entering the hydraulic system or damage to equipment may result.
This preparation procedure requires the use of a Y-hose and flushing filter element
from the flush hose kit.
Close oil valve (1) on hydraulic tank (2).
Remove filter element from system filter and replace with element from flush hose kit (para. 4-89).
Open oil valve (1) on hydraulic tank (2).
Close all suspension isolation valves, handles facing outboard (para. 2-6). Pull handle of gooseneck isolation valve
and suspension shut-off valve to ADJUST position (para. 2-6).