Oasis Ace 650 Max Series, Instruction Manual, Page: 15 / 20

15
ASSEMBLY INSTRUCTIONS
1.
Install snap ring on shaft into second groove from impeller end.
2.
Press bearing onto shaft from threaded end until seated against snap ring.
3.
Install snap ring in groove on opposite side of bearing.
4.
Install slinger on shaft over threaded end and push to snap ring.
5.
Place spacer over shaft from splined end and press rear bearing on until seated against spacer.
6.
Set aside shaft/bearing assembly.
7.
Install front snap ring into mounting frame bearing bore.
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.
Install rear snap ring into mounting frame bearing bore.
12.
Stand mounting frame/shaft assembly on motor mount flange with shaft pointing up.
13.
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.
14.
Install seal plate O-ring over boss on mounting frame. Stretch O-ring over
boss – do not roll.
15.
Install seal plate and tighten (2) or (4) socket head cap screws to 20 ft-lb
(27 N-m).
16.
Insert key in keyway and apply anti-seize compound to impeller seat area
and key.
17.
Install impeller on shaft and 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 (4) 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.
Note:
Place a flat washer under volute cap screw at pump discharge port
.
22.
Apply high speed coupling grease to internal splines of pump shaft.
23.
Install O-ring on motor flange boss and position pad over 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