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Mounting the Pump
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4-Point Mounting Method—
Optional Spring Configuration
Use the illustrations and instructions to secure the
angle brackets to the frame rails using the 4-point
spring mounting method. This method allows for
approximately 2° of vehicle frame twist.
1 After attaching the angle brackets to the intake
adapters, position the pump assembly within
the frame rails.
Note:
Using a sub-frame is recommended to
lessen frame twist. The maximum frame
twist should not exceed the spring travel.
2 On the passenger side, drill 1 hole into the
bracket that goes through the frame rail.
Position the hole near the edge of the bracket.
3 Use a screw (3/4 inch), washer, and nut to
secure the bracket to the frame rail.
4 If your pump's discharge flanges are angle-
compensated, adjust the tilt of the pump
assembly by 4°.
5 Drill another hole into the passenger-side
bracket that goes through the frame rail.
Position the hole near the opposite edge of
the bracket.
6 Use a screw (3/4 inch), washer, and nut to
secure the bracket to the frame rail.
7 On the driver side, drill 2 holes into the bracket
that go through the frame rail. Position 1 hole
near each edge of the bracket.
8 Use screws (3/4 inch), washers, and nuts to
secure the bracket to the frame rail.
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