Reassembly; Bearing Frame; Packed Box Instructions - ITT GOULDS PUMPS 3656 Instrucciones De Operación, Instalación Y Mantenimiento

12. Push out the mechanical seal stationary seat from the
seal housing. Discard.
13. On units equipped, remove seal housing wear ring (203)
if excessively worn.
DISASSEMBLY OF BEARING FRAME OR
SAE BEARING FRAME
1. Remove deflector (123) from shaft.
2. Remove bearing cover (134).
3. Remove shaft assembly from frame.
4. Remove lip seals (138, 139) from bearing frame (228) and
bearing cover (134) if worn. Discard..
5. Remove retaining ring (361).
6. Use bearing puller or arbor press to remove ball
bearings (112, 168).

Reassembly

• All parts should be cleaned before assembly.
NOTICE: O-RING SHOULD BE REPLACED AFTER ANY
DISASSEMBLY OF UNIT.

BEARING FRAME

1. Replace lip seals if removed.
2. Replace ball bearings if loose, rough or noisy when rotated.
3. Check shaft (122) for runout. Maximum permissible is
0.002" (0.05 mm) TIR.
4. Refer to the "MAINTENANCE" section of this manual
for M-group bearing frame regreasing instructions.
LIQUID END
1. Inspect shaft removing any debris or burrs.
2. Treat shaft with LOCQUIC
following manufacturer's instructions carefully.
3. When replacing shaft sleeve, spray new shaft sleeve's bore
with LOCQUIC ® Primer "T", or equivalent. Let parts dry
and then apply LOCTITE
Slide new sleeve over shaft with a twisting motion, wipe
off excess. Let cure according to instructions.
NOTICE: MECHANICAL SEAL MUST BE REPLACED
WHENEVER SEAL HAS BEEN REMOVED.
FOLLOW SEAL MANUFACTURER'S
INSTRUCTIONS CAREFULLY. FOR PACKED
BOX PUMPS SEE "PACKED BOX
INSTRUCTIONS".
4. Replace seal housing wear ring, if removed.
5. For mechanical seal pumps, stationary seal seat may be
dipped in water to ease installation. Place stationary seal
seat squarely into seal housing bore. Cover the polished
face of the seat with a thin piece of cardboard or paper
towel. Press seat firmly into bore using a round piece of
plastic or wood that disperses the force over the entire
seal face.
6. Place adapter, concave face pointing up, over motor
shaft and lower it onto the motor.
7. Replace seal housing o-ring. This o-ring may be lubricated
with water or glycerin to ease in installation. Install seal
housing on adapter. Exercise care in that the motor shaft
does not dislodge or damage seal seat.
6
®
Primer "T", or equivalent,
® #262 on the same surfaces.
8. Fully and squarely install the rotary assembly of seal
against the stationary seat.
NOTICE: REPLACE IMPELLER BOLT AND WASHER
WHENEVER IMPELLER IS REMOVED.
9. Install impeller key in shaft keyway. Mount impeller on
shaft and push until it bottoms. Hold in place.
10. Install new impeller washer.
11. Apply LOCTITE ® #262 or equivalent, to new impeller bolt
threads and tighten to:
20 lbs.-ft. (27 N . m)
3 ⁄ "-16 bolts
8
38 lbs.-ft. (51 N . m)
1 ⁄ "-13 bolts
2
12. Replace casing wear ring, if removed.
13. Replace casing bolts and tighten, in a crossing sequence,
to torque values indicated below:
3 ⁄ "-16 bolts (bronze casing)
8
3 ⁄ "-16 bolts (cast iron casing)
8
1 ⁄ "-13 bolts (cast iron casing)
2
3 ⁄ "-10 bolts (cast iron casing)
4
14. Check reassembled unit for binding by rotating shaft with
appropriate tool from motor end.
15. If rubbing exists, loosen casing bolts and proceed with
tightening sequence again.
16. Replace motor hold-down bolts and motor end plug or
cover on close-coupled units.
17. Replace coupling, spacer, coupling guard and frame
hold-down bolts on frame-mounted units.
NOTICE: ALWAYS RECHECK BOTH ALIGNMENTS
AFTER MAKING ANY ADJUSTMENTS.
18. Refer to the "COUPLING ALIGNMENT" section of
this manual to realign shaft.
19. Assembly is complete.
Packed Box
1. Make sure stuffing box is free of foreign materials and
clean before beginning packing of packed box. Refer to
Sectional Assembly in the repair parts section.
2. Take special care during installation of packing rings
because they are die-formed. To install, twist the ring
sideways just enough to fit it around the shaft sleeve.
DO NOT ATTEMPT TO PULL RINGS STRAIGHT
OUT. See Figure 7.
CORRECT
Figure 7
25 lbs.-ft. (34 N . m)
37 lbs.-ft. (50 N . m)
90 lbs.-ft. (122 N . m)
175 lbs.-ft. (237 N . m)
WRONG