Fruitland RCF 250, Operation And Maintenance

Page: 7 / 99

7
Fruitland Manufacturing • Toll Free: 1-800-663-9003 • www.fruitlandmanufacturing.com
Vacuum & Pressure Relief Adjustment
*
Fruitland Pressure Relief - PART # PRV2”
Release the anti-rotation screw (1) - turn the upper ring (3) - ro-
tate clockwise - CW - to increase pressure OR rotate counter
clockwise - CCW - to decrease pressure in vessel.
When the desired pressure in the vessel is achieved, slightly turn
the upper ring (3) until the flattened spot upon the wheel’s shaft
is achieved. Tighten the anti-rotation screw and the pressure re-
lief is now set.
Fruitland suggests this procedure and verification of your pres -
sure reliefs operation within your system are re-checked and or
set during your routine maintenance schedule for the tank and
truck.
*Fruitland Vacuum Relief - PART # VB
Remove the setting screw cover (1) - insert a flat tip screwdriver into the incision and pry off
the cover carefully. Loosen the stop set nut (3) - hold firm the vacuum relief bell (2) - Turn the
bell clockwise - CW - to increase pressure and turn the bell counter clockwise - CCW - to re-
duce pressure in the vessel.
During this adjustment it is not necessary to hold the set nut stem (3) with a screwdriver.
When desired pressure in the vessel is achieved, tighten the stop set nut (3) - hold firm the
vacuum relief bell (2). Install the setting screw cover (1) - and the vacuum relief is now set.
To eliminate tampering with the adjusted setting of the vacuum relief - insert wire through
the screw cover (1) and then into bell (2) and connect wire with a permanent seal.
Fruitland suggests this procedure and verification of your pressure reliefs operation within
your system to be re-checked and or re-set during your routine maintenance schedule for the
tank and truck.