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Orientation of Fluid Inlet and
Outlet Ports
The fluid port of the center manifold can be rotated to
either a vertical or horizontal position.
To change the fluid port orientation of the center
manifold (113):
1. Remove the clevis and cotter pins (126, 127).
2. Rotate the center manifold (113) to the applicable
vertical or horizontal position.
3. Install the clevis and cotter pins (126, 127).
KEY:
101 Fluid covers
113 Center manifold
126 Clevis pin
127 Cotter pin
126
101
126
101
F
. 4: Fluid Inlet and Outlet Port Orientation
IG
3A8693C
127
113
127
126
127
113
127
126
Fluid Pressure Relief Valve
Some systems may require installation of a pressure
relief valve (V) at the pump outlet to prevent
overpressurization and rupture of the pump or hose.
Thermal expansion of fluid in the outlet line can
cause overpressurization. Thermal expansion can
occur when using long fluid lines exposed to sunlight
or ambient heat, or when pumping from a cool to a
warm area (for example, from an underground tank).
Overpressurization also can occur if the pump is
used to feed fluid to a piston pump, and the intake
valve of the piston pump does not close, causing
fluid to back up in the outlet line.
The pressure relief valve reduces the risk of serious
injury, including splashing in the eyes or on the skin.
Fluid Pressure Relief Valve 112119 (stainless steel) is
available (purchase separately).
KEY:
R
Fluid inlet port
S
Fluid outlet port
V
Pressure relief valve
Install valve between fluid inlet and outlet ports.
1
Connect fluid inlet line here.
2
Connect fluid outlet line here.
3
2
V
1
3
F
. 5: Fluid Pressure Relief Valve
IG
Installation
R
S
11
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