11
ASSEMBLY INSTRUCTIONS
1.
Install front snap ring into mounting frame bearing bore.
2.
Press bearings onto shaft. Press one from each end until seated against step on shaft.
3.
Install slinger over impeller end of shaft and push to bearing.
4.
Set shaft/bearing assembly aside.
5.
Stand mounting frame on motor mount flange with seal bore pointing up.
6.
Clean and inspect mounting frame seal bore for gouges that may prevent proper sealing.
7.
Push stationary seal face into mounting frame seal bore by hand.
Important:
Avoid touching seal face by covering it with a soft, clean cloth during installation.
Seal Orientation:
Polished seal surface should face up with grooved side towards bearing
bore. (See illustration below)
Lubrication:
Soapy water may be used on O-ring to aid installation.
8.
Press or tap shaft/bearing assembly into mounting frame from motor flange end.
Note:
Use a non-marring hammer and soft wood block to prevent shaft or spline damage.
9.
Install rear snap ring into mounting frame bearing bore.
10.
Place seal installation tool over shaft. Push rotating seal assembly over tool and shaft by
hand until black polished face seats against stationary face in mounting frame. Remove seal
installation tool. (See illustration below)
Note:
Avoid touching the seal face.
Lubrication:
Soapy water may be used on rotating assembly bellows, shaft and installation
tool to aid installation.
11.
Insert key in keyway and apply anti-seize compound to impeller seat area and key.
12.
Install impeller on shaft.
13.
Install new sealing washer on stainless impeller cap screw and apply nut lock on screw threads.
14.
Install impeller cap screw with sealing washer and tighten to 20 ft-lb (27 N-m).
15.
Install volute seal O-ring over boss on mounting frame. Stretch O-ring over boss - do not roll.
16.
Install volute.
17.
Apply nut lock to (8) volute cap screws, install, and tighten to 20 ft-lb (27 N-m). Allow nut lock to
cure for a minimum of 10 minutes before filling pump.
18.
Apply high speed coupling grease to internal splines of pump shaft.
19.
Install O-ring on motor flange boss and position pad over shaft.
20.
Install motor aligning shaft splines with pump shaft.
21.
Install (2) motor socket head cap screws with washers and tighten to 20 ft-lb (27 N-m).
Step 7
Step 10
Summary of Contents for Ace 650 Max Series
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