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Dispensing Valve Service and Adjustment
1. To clean or replace the valve seal (107), screw the
valve nozzle (106) off the valve housing (111). Re-
move the gasket (109). Unscrew the retaining
screw (108) from the valve stem (110). Remove
the valve seal (107). See the Parts Drawing, page
5. Clean and inspect all parts and replace as nec-
essary. Reassemble the valve, making sure the
gasket (109) is in place.
2. To adjust the dispensing valve, drive the pin (113)
out of the handle (103) with a 1/8 in. drift pin. Re-
move the valve handle (103) from the stem (110).
See Parts Drawing, page 5. Turn the adjusting
nut (104) upward until a small gap (0.040 in. maxi-
mum) exists between the handle (103) and the
valve housing (111) when the valve is reas-
sembled. Reinstall the handle on the stem. Rein-
stall the pin.
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Service
NOTE: Clearance between the valve handle (103) and
valve housing (111) is necessary to ensure proper dis-
pensing valve operation.
3. To replace the valve stem (110), spring (112) or
packings (105), remove the valve handle (103) as
described in step 2. Screw the valve nozzle (106)
off the valve housing (111). Remove the gasket
(109). Screw adjusting nut (104) off the valve
stem. Pull the stem out through the bottom of the
valve housing. See Parts Drawing, page 5. Clean
and inspect all parts and replace as necessary.
Reassemble valve. Adjust it as described in
step 2.
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