Johnson Controls TopClean AS - Manual (Page 16)

14
IM-AS/02.00 GB (0412)
11.5.3.2 V execution
1. Press the radial seal (66) into the mechanical seal cover (65).
2. Fasten the stud bolt (68) on the pump casing (1).
3. Slide the mechanical seal cover (65) on the stud bolts (68) and tighten
them.
4. Insert the stationary seal part into the pump casing (1) by gently pushing it.
5. Assemble the pump casing (1) together with the bearing housing (5). Be
careful not to damage the radial seal (66). Tighten the pump casing with screws
(26).
6. Fit the rotating part of the seal on the shaft (4).
N.B. Assemble the mechanical seal carefully to avoid damages on the seal
faces and O-rings.
7. AS 42 and AS 52 only. Fit the ring retainer (31) on the shaft (4). Compress the spring
on the rotating seal with the ring retainer and lock it with the circlip (32).
11.5.3 Seal assembly
11.5.3.1 T execution
1. Insert the stationary seal part into the pump casing (1) by gently pushing it.
2. Assemble the pump casing (1) together with the bearing housing (5). Be careful
with the seal when sliding it over the shaft. Tighten the pump casing with the screws
(26).
3. Fit the rotating part of the seal on the shaft (4).
4. N.B. Assemble the mechanical seal carefully to avoid damages on the seal faces and
O-rings..
5. AS 42 and AS 52 only. Fit the ring retainer (31) on the shaft (4). Compress the spring
on the rotating seal with the ring retainer and lock it with the circlip (32).
11.5.2 Pump assembly AS 40, 50, 60, 65
Before assembly read chapters 11.1 General Instructions and 11.2 O-rings and lip seals.
N.B. Make sure that all surfaces are clean and without damage. If necessary polish using
(600 degrees) emery cloth, lubricate all O-rings and contact surfaces with soap and water
or silicone spray.
1. Check the shaft condition – no tracks of wear etc. Clean it carefully.
2. Press the bearings (7) on to the shaft (4).
3. Assemble the ring nut (17) and tighten it.
4. Press the shaft (4) and bearing assembly into the bearing housing (5).
5. Assemble the bearing cover (8). Tighten it with the screws (27).
6. Push the thrower (14) on the shaft (4).
7. Assemble the shroud adapter (43) (if shroud should be assembled) with
screws (46).