Owner manual

HPU Component Identification
Component Locations (505.90 Shown)
Component Descriptions
DescriptionComponentItem
Cools the hydraulic fluid using a highly efficient, stainless steel oil-to-water
heat exchanger. The heat exchanger removes most of the heat generated
by the HPU.
Heat Exchanger/
Manifold
1
Combines the output of the individual pumps to deliver the full output of
the HPU through a single port. The manifold provides solenoid control of
the high/low pressure output from the individual pumps. It also contains
relief valves for each pump circuit and a bypass circuit to maintain the
hydraulic temperature during low flow conditions
Series 505G2 SilentFlo™ Hydraulic Power Unit Product Information 19
Introduction