Graco Python A25030 Instructions Manual page 35

20. Connect the upper and lower housings by lining up
the dowel pins (113) in lower housing (101) with the
receiving holes in the upper housing (110). Tighten
the screws (111).
113
115
114
112
F . 28 Reconnect upper and lower housings
IG
21. Insert the spring (115) in the bottom of the lower
housing (101) and reinstall the spring retainer (112).
3A3101F
Final Reassembly
1. After all inspections and repairs are completed,
reconnect all fluid lines.
2. Reconnect the timing valve (22) onto the pump
assembly.
110
106
101
111
F . 29 Reconnect timing valve
IG
3. Reconnect all pneumatic lines.
4. Prime the Pump, on page 18.
5. Calibrate Chemical Dosage, on page 19, to test for
proper pump operation. The calibration test will
ensure the desired pump stroke is achieved, as well
as, verify proper operation of the check valves.
6. Compare results from calibration test with previous
notes or the recommended pump settings in Stroke
Adjustment, on page 19.
22
Repair
35