Pump Service Manual
XD5-100-A1
Phone: (402) 727-9700
Website: www.Oilgear.com
905 S. Downing Street, Fremont, NE 68025
Page 23 of 31
Issue Date: 1/4/2021
910003
9
System Requirements and Installation
Mounting
The pump can be mounted in any position, but the recommended mounting position is with the drive shaft on a
horizontal plane and the LS/RP Port facing upward. Secure the pump to a rigid mounting surface. Refer to the
referenced Oilgear Piping Information Bulletin 90011.
These pumps are usually fully piped and equipped. It may be necessary to connect to a super-charge circuit when used.
Mount reservoir on level foundation with the reservoir bottom at least six inches above floor level to facilitate fluid
changes.
Piping and Fitting
Refer to the referenced Oilgear Piping Information Bulletin 90011 and individual circuit diagram before connecting the
pump to the system. Inlet velocity must not exceed 5 fps (1,5 mps). Inlet should be unrestricted and have a minimum of
fittings.
DO NOT use an inlet strainer.
Arrange line from “case drain” so the case
remains full of fluid (non-siphoning). Case pressure must be less than 25 psi
(1,7 bar). For higher case pressures, special shaft seals are required; contact our Customer Service. Each drain line must
be a separate line, unrestricted, full sized and connected directly to the reservoir below the lowest fluid level. Make
provisions for opening this line without draining (siphoning) reservoir.
Power
Power is required in proportion to volume and pressure used. Motor size recommendations for specific applications can
be obtained from The Oilgear Company. Standard low starting torque motors are suitable for most applications.
DO NOT start or stop unit under load unless system is approved by Oilgear. It may be necessary to provide delivery
bypass in some circuits.
Drive
Verify the rotation direction by checking the plate on the pump's housing.
Please see the Installation Bulletin for the
location of the rotation designation on the housing.
Clockwise pumps
must
be driven clockwise and counterclockwise
pumps
must
be driven counterclockwise. Use direct drive coupling. Size and install coupling per manufacturer's
instructions.
DO NOT drive the coupling onto the pump drive shaft. Refer to manufacturer's instructions.
Misalignment of pump shaft to driver's shaft should not exceed 0.005 inches (0,13 mm) Total Indicator Readout (TIR) in
any plane.
