DIVERSIFIED METAL FABRICATORS, INC.
ROTO 180
© 2017 DMF, Inc. All Rights Reserved.
4-13
4.6
HYDRAULIC SYSTEM CONNECTION – PVG VALVES
4.6.1
Hydraulics Install
1.
The PVG Valves are shipped attached to the front of the subframe. The shipping mount
securing the valves to the subframe is for shipping purposes ONLY. The valves must be
removed from this mount and relocated on the truck frame. Choose a location that
safely positions the operator away from the swinging dump body. Do not disconnect or
run any new hydraulic hoses until the PVG Valves have been relocated.
2.
Route all hoses following the hydraulic schematic located at the end of this subsection.
Reference Figure 4.6.1.A below for PVG Valve port locations.
3.
Connect the “P” port on PVG Valves to the “power beyond” of the rear Railgear, first
passing through a pressure filter. Use ¾” sized hoses with swivel fittings.
4.
Connect the “T” port on the same section back to the tank using a ¾” sized hose with
swivel fittings.
5.
Connect the “T” port of the hoist section back to the tank using a ¾” sized hose with
swivel fittings. This hose is a dedicated return and must not tee to any other hoses or
be routed through a return filter.
6.
Connect the “TO” port of the PVG Valves back to the tank using a ¼” sized hose with
swivel fittings. This hose is a dedicated return and must not tee to any other hoses or
be routed through a return filter.
Figure 4.6.1.A - 3 Section PVG Valves - Port Locations
7.
Connect a ¼” sized hose with swivel fitting from the tank return port located on the
lower subframe to the tank. See Figure 4.6.1.B for the subframe port location.
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