17
ASSEMBLY INSTRUCTIONS
1.
Install snap rings on shaft into second and third grooves.
2.
Press rear bearing (large) onto shaft from splined end until seated against snap ring.
3.
Install snap ring in groove on opposite side of bearing.
4.
Press front bearing (small) onto shaft from threaded end until seated against snap ring.
5.
Install snap ring in groove on opposite side of bearing.
6.
Install slinger on shaft over threaded end and push until 1/4” from front bearing.
7.
Set aside shaft/bearing assembly.
8.
Clean and inspect seal bores on mounting frame and seal plate. Bore damage or gouges may
prevent proper sealing.
9.
Install stationary seal seats:
Important:
Avoid touching seal faces by covering with a soft, clean
cloth.
Lubrication:
Lightly oil O-ring with clean barrier fluid to aid
installation.
A. Push a seal seat by hand into mounting frame seal bore with
grooved side towards bore.
B. Push a seal seat into seal plate seal bore by hand with grooved
side towards bore.
10.
Press or tap shaft/bearing assembly into mounting frame from rear
motor flange.
Note:
Use a non-marring hammer and soft wood block to prevent shaft or spline damage.
11.
Stand mounting frame/shaft assembly on motor mount flange with shaft pointing up.
12.
Install rotating seal faces:
Important:
Avoid touching seal faces.
Lubrication:
Lightly oil rotating assembly bellows and shaft with
barrier fluid to aid installation.
A. Push first rotating seal assembly over shaft by hand until black
polished face seats against stationary face in mounting frame.
B. Place spring on shaft above first rotating seal assembly.
C. Push second rotating seal assembly over shaft by hand until metal
seal cup seats against spring. Polished black seal face should be
up towards impeller.
13.
Install seal plate O-ring over boss on mounting frame. Stretch O-ring
over boss – do not roll.
14.
Install seal plate
and tighten (4) socket head cap screws to 20 ft-lb (27
N-m).
15.
Insert key in keyway and apply anti-seize compound to impeller seat
area and key.
16.
Install impeller on shaft.
17.
Apply nut lock to threaded shaft end.
18.
Install acorn nut and
tighten to 70 ft-lb (95 N-m).
19.
Install volute seal O-ring over boss on seal plate. Stretch O-ring over boss – do not roll.
20.
Install volute.
21.
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.
22.
Install O-ring on motor flange boss and position pad over shaft.
23.
Apply high speed coupling grease to internal splines of pump shaft.
24.
Install motor aligning shaft splines with pump shaft.
25.
Install motor socket head cap screws with washers and tighten to 20 ft-lb (27 N-m).
26.
Place pump on a level surface then follow barrier fluid fill and pressurization instructions(page 9).
Step 9
Step 13
Summary of Contents for Ace MAX Series
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