Multi Pro 1200/1250Page 6 -- 18Spray System
4. Placediaphragmbackdiscandnewdiaphragmonto
each connecting rod. The connecting rods should ex-
tend above the diaphragms when correctly installed
(Fig. 14). Position nylon washer and washer on each
connectingrodandthenthreadhexboltintoconnecting
rod. Torque bolt to 60 ft--lb (81 N--m).
5. Make sure that pump casings align and then secure
pumpcasingassemblybytorquingfive(5)boltsto32ft--
lb (43 N--m).
6. Secure diaphragm covers to pump with hex bolts (4
per cover). Torque bolts to 55 ft--lb (75 N--m).
7. PlacenewO--rings andvalvesintodiaphragmcover
openings (Fig. 15). Inlet valves should be installed with
the spring down into the cover. Outlet valves should be
installed in with the spring up and away from cover.
8. Place valve chamber over valves noting orientation
of chamber inlet and outlet. Secure valve chamber with
two (2) hex bolts. Torque bolts 60 ft--lb (81 N--m).
1. Diaphragm 2. Connecting rod
Figure 14
1
2
1. Inlet (suction)
2. Inlet valve
3. Outlet valve
Figure 15
1
2
2
3
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