SER 3685-A
Mechanical-Metered Control Valve
Revision (11-08)
8
Alemite LLC
23. Turn the Outer Pointer counterclockwise.
• Set both Pointers to zero.
24. Install Shroud (
27
) [notch downward] onto the
Housing.
25. Install Screws (
28
) that secure the Shroud to the
Housing.
• Tighten each Screw securely.
Lever Assembly
26. Install Quad Rings (
38
) onto each end of Cam
(
39
).
27. Install the Cam into the Housing.
• Use care passing the Quad Rings.
28. Install Lever Assembly (
41
) onto the Cam.
• Reposition the Cam as required to ensure the
Lever Assembly properly meshes.
29. Install Screws (
40
) that secure the Lever
Assembly to the Cam.
• Tighten the Screws securely.
Valve and Inlet Swivel Assembly
30. Install Valve Sleeve (
37
) [unslotted end first] into
the Housing.
31. Install Valve Assembly (
36
) [stem first] into the
small end of Spring (
35
).
32. Install the Valve Assembly and Spring
horizontally into the Housing.
• Make sure the Valve Assembly does not shift.
33. Install Screen (
34
) into the Spring.
34. Install O-Ring (
33
) onto the Adapter (
32
).
35. Screw the Adapter into the Housing.
• Tighten the Adapter to 20 ft. lbs. (26 Nm).
36. Screw Swivel Assembly (
9
) [with thread sealant]
into the Adapter.
• Tighten the Swivel Assembly securely.
Extension
IMPORTANT: Apply thread sealant to
all pipe thread connections prior to
assembly.
37. Connect the components of the extension
assembly and tighten securely.
38. Screw the extension assembly into Meter
Assembly (
8
).
• Tighten the extension securely.
Register Assembly
10. Install Register Assembly (
24
) onto the Housing
• Make sure the Register seats on the four pins.
11. Install Setscrew (
19
) [with Loctite 222] into the Worm
Gear.
12. Install Worm Gear (
20
) [spur gear upward] onto the shaft
of the Spindle and Gear Assembly.
• Make sure the Worm Gear’s setscrew points toward the
flat on the Spindle and Gear Assembly.
• Check to ensure the gear meshes properly with the
Register’s gear.
13. Install Washer (
25
) onto the bottom post of the Register
Assembly.
14. Install Pointer Gear (
26
) [flat surface downward] onto the
Washer.
IMPORTANT: Make sure the Gears mesh evenly.
15. Move the Worm Gear [straight upward or downward] as
required so its gear wheel meshes evenly with the Pointer
Gear.
• Tighten the Setscrew securely.
Dial-Cam-Pointers
16. Install Dial (
31
) onto Cam (
21
).
17. Install and seat Inner Pointer (
30
) [spring downward] onto
the Cam.
18. Install Roller (
23
) into the Cam.
IMPORTANT: Make sure Spring (
22
) is against
right-angled end of notch in Cam.
• See
Figure 2-B
.
19. Install Spring (
22
) into the Cam.
IMPORTANT: Make sure the three holes on the
Dial engage with the Register’s posts.
20. Install and seat the Cam, Dial, and Inner Pointer assembly
onto the shaft of the Spindle and Gear Assembly.
21. Install the setscrew loosely into Outer Pointer (
29
) as
required.
• Make sure only a few threads are engaged.
IMPORTANT: The Outer Pointer’s setscrew must
point toward the flat on the Spindle and Gear
Assembly.
22. Install the Outer Pointer [setscrew toward flat] onto the
shaft of the Spindle and Gear Assembly.
• Tighten the Setscrew securely.
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