Pump Cover And Impeller Assembly - As 42 And As 52 - Johnson Pump TopClean AS Instruction Manual

11.5.5 Pump cover and Impeller assembly – AS 42 and AS 52
See drawing
1. Fit the first impeller key (11) and push on the impeller (3) on the shaft (4).
2. Fit the O-ring in the pump casing (1) groove and assemble the inter-suction casing
(34).
3. Fit the O-ring (36) in the inter-suction casing (34) and assemble the inter-discharge
casing (35).
4. Fit the second impeller key (11) and push on the impeller (3) on the shaft (4)
5. Fit the O-ring (36) in the inter-discharge casing (35). Assemble the cover casing (2)
with the rag bolts (38).
6. Motors up to size IEC 112. Fit the adjustable foot frame and lock it with the nuts
(30) and the screws (29).
7. Motor sizes larger than IEC 112 or. Fit the adjustable foot frame and fasten the
screws (29) for the front foot (20) and the rear foots (23).
8. Assemble the motor (50) by entering the motor shaft into the pump
shaft (4) and lock it with the screws (28)
9. Slide the shroud (44) over the motor (50) and assemble it on the adapter (43) with
the screws (46)
10. ''V'' and ''Q'' executions. Assemble the mechanical seal flushing pipes (71 and 71
respectively) on the mechanical seal cover ( 65 and 60 respectively).
16
IM-AS/02.00 GB (0412)