12
NOTE
WHEN THE VALVE BODY IS INSTALLED MAKE SURE THE VALVE DISC IS NEXT TO THE
SUCTION TUBE EXTENSION. THE RELIEF VALVE, DRAIN VALVE, AIR BLEEDER VALVE AND
PRIMING VALVE MUST BE LOCATED ON THE INLET SIDE OF THE VALVE.
Figure 4. BOTTOM OPENING MOUNTING
2. If necessary, the gearbox may be rotated for proper installation. Refer to Part J of this
section for instructions on how to rotate gearbox.
3. Coat the threads on one end of two 7/16-14 x 6-¼ inch long grade 8 studs with Loctite®
#243 or equal and insert into threaded holes on bottom of suction tube extension.
Torque studs to 40 ft-lb (54 N-m). The studs are installed in holes located at the 1 o’clock
and 7 o’clock positions, when viewed from below, on the suction tube extension. See fig-
ure 3.
4. Orient valve so the relief valve and gearbox are located as shown in figure 4.
5. Make sure the O-ring seals are seated in the grooves on the valve body and coat all seal-
ing surfaces with a light coat of general-purpose grease.
6. Carefully slide the valve and flange over the studs making sure the studs align with the
holes in the valve body.
7. Apply Loctite® #243 or equal to threads on the studs and install two 7/16-14 nuts.
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