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Page 8
SAE Flange Coupling
1. Install the 1/8" x 1/4" BSP adaptor and Dowty
seal to one of the two 1/8" BSP ports on the
flange. Install the plug with Dowty seal to the
remaining BSP port (Fig1).
2. Loosen and remove the four flange bolts and
split the coupling. Insert the flange plate
ensuring the "O" rings are properly seated
and that the 1/4" BSP port is in a convenient
location.
3. Replace the hose using the longer bolts supplied
in the kit. Use caution to ensure the "O" rings stay
in place. Check the orentation of the fittings that
they allow room for tighening and hose connection
(Fig2).
Torque the bolt to manufactures recommendation.
If this is not know use the following torques:
3/4" Flange 21-29 ft-lb
1" Flange 27-35 ft-lb
11/4" Flange 35-45 ft-lb
Fig 1
Fig 2
Threaded Tees
1. Install the 1/4" BSP adaptor tee in the location
selected. BSP, JIC, Metric and ORFS fittings are
available.
2. Loosen and remove the hose and install the
fitting into the line as shown in (Fig3).
Fig. 3
Tapped Port
In cases where there is no suitable coupling, you must drill
and tap a 1/8" BSP port into a convenient block or fitting.
If possible remove the component to be drilled.
Center punch and drill a 3mm pilot hole. Then open out to
8.8mm and tap with 1/8"BSP tap.
Ensure all cuttings are flushed out of the line, then install the
1/8" x 1/4" BSP adaptor with dowty seal as shown in (Fig4).
Fig. 4
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