Graco SaniForce 515, Instructions For Use Manual

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Service
14 3A1973L
Service
Air Valve
NOTE: Air Valve Repair Kit 241657 is available. Parts
included in the kit are marked † . Use all parts in the kit.
1. Follow the Pressure Relief Procedure , page 11.
2. Remove the air chamber cover (110) and the o-ring
(104).
3. Remove the carriage plungers (107), carriages
(108), carriage pins (109), and valve plate (114)
from the center housing (111).
4. Remove the u-cups (102) from the carriage plung-
ers (107).
5. Clean all parts and inspect them for wear or dam-
age.
NOTE: When instructed to lubricate, apply appropriate
waterproof sanitary lubricant (such as Graco PN
111265).
6. Lubricate the lapped surface of the valve plate
(114), and install with the lapped surface facing up.
7. Lubricate and install the carriage pins (109).
8. Install the carriages (108). Make sure the carriages
engage the clip ends of the carriage pins (109).
9. Lubricate the bores of the center housing (111),
then install the u-cups (102) on the carriage plung-
ers (107),
with the u-cups facing toward smaller
end.
10. Slide the carriage plungers into the bores, with the
smaller ends facing toward the center of the
center housing (111).
See F
IG
. 5.
11. Lubricate and install the o-ring (104) on the cover
(110).
12. Screw the cover (110) into the center housing.
Torque to 80 to 100 in-lb. (9.0 to 13.6 N•m).
F
IG
. 5. Disassemble/Reassemble the Air Valve
110
104†
114†
108
†
107†
102†
109† 108†
Apply appropriate waterproof sanitary lubricant (such
as Graco PN 111265).
2
Lips must face the smaller end of the carriage
plunger.
3
Smaller ends must face toward the center of the
center housing. Lubricate bores of center housing
before installing.
4
Torque to 80-100 in-lb. (9.0-13.6 N•m).
1
1
2
2
2
2
2
3
4
Note: The center housing may
remain assembled to the air and
fluid covers for this service.
2
2
ti17557a
111