IM 25.055AC UA (C/6-01)
AUTOMATIC CHLORINATOR - 3000LB/24HR
48
4.12.3 Replacement of Bellofram (See Dwg. 25.052.001.046)
Damage to the bellofram (16) is indicated by a continuous flow of water
from the injector shut-off valve drain when the valve is in the OFF position
or by failure of the injector to operate when the valve is in the ON position.
To replace the bellofram, proceed as follows:
a. Remove the adjusting screw nut (19) with the adjusting screw (21),
lock nut (20), and spring (50).
b. Remove the connecting tube (26).
c. Remove the two 1/2-inch cap bolts (49) and lower the entire lower
portion of the injector, including the plug rod (6) and plug (4).
d. Remove the old bellofram and assemble the new one on the plug rod
(16).
e. Locate the bellofram on the backing cup (15).
f. Reassemble the injector.
4.12.4 Vacuum Valve
• Removal (see Dwg. 25.055.000.052)
a. Disconnect two tubing nuts (9) from top of valve (31).
b. Loosen union nut (35) and remove hex screw (12) from valve.
c. Loosen clamping screw (45) and lift off valve.
• Disassembly (see Dwgs. 25.055.000.052 & 25.056.003.010)
a. Remove seat and spring (32). Remove and discard gasket (33).
b. Take note of the relative position of valve body (1) and backing
plate (9). They must be restored to their original positions during
reassembly.
c. Remove clamps (3). Lift off backing plate (9). Remove and dis-
card O-ring (2).
To Next Page
Loading...