Oildyne 108 Series Compact Hydraulic Power Unit Relief Valve Adjustment and Cleaning Instructions

108 series HPUs are frequently used in boats and RVs and camper slide outs and boat motor trims that will extend but not retract should consider cleaning and readjust the relief valves located on the underside of the HPUs adapter. Doing this regularly will help prevent this problem.

Please reference the attached documents for the exploded view and instructions required to adjust and clean the relief valve.

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Attached to this document is the 108 RV adjust and cleaning instructions(.pdf)

These instructions are courtesy of the Parker Oildyne Division and their April Oildyne Times.

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