MagnaTex 3575 Series Manual

MAGNATEX®3575 Series
®
Operation &
Maintenance Manual
Mechanical Seal
ANSI Process Pumps
3575 IOM R6
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SECTION A
GENERAL INFORMATION
TABLE OF CONTENTS
SECTION B
A.1 Preface …………………………………………………………………………………………………….…………….… 1
A.2 Specifications …………………………………………………………………………………………………………..… 2
A.3 Receiving and Inspecting the Pump ……………………………………………………………………….… 3
PUMP INSTALLATION
B.1 Foundation and Baseplate Alignment ………………………………………..…………………….……… 4
B.2 Alignment ………………………………………………………………………………………………..…………….… 6
SECTION C
PREPARATION FOR STARTUP
C.1 Checking Rotation ……………………………………………………………………..……………………………… 7
C.2 Checking Impeller Clearance …………………………………………………………….……………………… 7
SECTION D
PUMP STARTUP
D.1 Starting the Pump ………………………………………………………………………………….………………… 8
D.2 Operating a Magnatex 3575 Pump at Reduced Capacity ............................................. 9
SECTION E
PUMP DISASSEMBLY
E.1 Recommended Spare Parts …………………………………………………….……………………………… 10
E.2 Required Tools ……………………………………………………………………………….…………….………… 11
E.3 Disassembly ………………………………………………………………………………………….………………… 11
SECTION
PUMP ASSEMBLY
F.1 Bearing Frame Assembly ……………………………………………………………….…………….…………… 13
F.2 Rotating Element Assembly ……………………………………………………………….………………..…… 13
SECTION G
PUMP DRAWINGS
G.1 Dimensional Drawing, Magnatex 3575 Series Pump …………………..………….……………… 15
G.2 Sectional Drawing, Magnatex 3575S …………………………………..…………….…………………… 16
G.3 Sectional Drawing, Magnatex 3575M ……………………………………………………….…………… 17
G.4 Sectional Drawing, Magnatex 3575L ………………………….……………………………..…………… 18
G.5 Exploded Drawing, Magnatex 3575S ………………………………..……………………….…………… 19
G.6 Exploded Drawing, Magnatex 3575M …………………………………….……………………………… 20
G.7 Exploded Drawing, Magnatex 3575L …………………………………………….………..……………… 21
SECTION H
PUMP PARTS
H.1 Modular Interchangeability ……………………………………………………………….…..……………… 22
H.2 Parts List and Materials of Construction …………………………………………………..…….……… 25
SECTION I
MAINTENANCE, OPERATIONS AND REBUILD CHECKLIST
I.1 Operations checks …………………………………………………………………….……………….…………….. 26
I.2 Impeller Clearance Settings ……………………………………………………………………………………… 27
I.3 Rebuild checks ……………………………………………………………………………….……………………... 29
3575 IOM R6

1
3575 IOM R6
SECTION A
GENERAL INFORMATION
A.1 PREFACE
Magnatex 3575 Series ANSI Pump is a horizontal overhung, end suction and top discharge with an open
impeller, which meets the requirements of ANSI B73.1, fabricated with the best materials and
continuous inspection.
With correct installation, periodic inspection, correct usage and careful maintenance, this pump will
yield a long satisfactory service life.
WARNING
Before performing pump maintenance always make sure power to the driver is locked out.
Consult either the pump manufacturer or an authorized dealer before changing the pump
operation conditions from those under which it was sold.
Never operate the pump without its coupling guard installed.
Do not use heat to remove impeller or to disassemble the pump, trapped liquid may cause an
explosion.
Do not operate the pump without proper safety devices installed.
Always make sure both the discharge valve and the suction valve are open before operating the
pump.
Always prime the pump before starting.
Piping should not be forced to make connection with the pump.
When the system is pressurized, neither vent nor drain valves should be opened, nor should any
plugs be removed.
Never operate below minimum recommended flow.

2
3575 IOM R6
A.2 SPECIFICATIONS
VOLUTE: The volute is top centerline with a fully confined gasket. The foot support is used for maxi-
mum resistance to misalignment and distortion from piping loads.
However it is important not to impart piping loads on to the pump.
IMPELLER: The impeller is fully open and threaded to the shaft. The threads are sealed by a Teflon
O- ring.
Never rotate the pump counter clockwise as the impeller can unscrew and rub on the casing.
STUFFING BOX COVER: Machined for mechanical seal or conventional packing.
FRAME ADAPTER:The ductile iron frame adapter has a machined rabbet fit to the seal chamber /
stuffing box cover and a precision dowel pin fit to the bearing frame.
BEARING FRAME: Of rigid iron construction. No machining is required to convert from oil to grease or
oil mist lubrication. Flood oil lubrication is standard. The oil level is viewed through a sight glass. The
power end is sealed with an Inpro “VBX” labyrinth seal.
SHAFT: Manufactured from 4140 steel with an adjustable bearing and a bolt type roll pin on the shaft
end. The 316SS shaft (also available) does not require a sleeve.
BEARING SUPPORT: Is Constructed of ductile iron, it is rigid and has grooves and openings for oil
lubrication, grease or oil mist.
OUTBOARD BEARING: Angularly locked and connected to the shaft and housing to ideal with thrust
loads.
INBOARD BEARING: Its rigid, simple design, adequate for high RPM, also requires little attention in
service.
NAMEPLATE INFORMATION: Each pump has a nameplate that provides information about the
pump, such as pump model, size impeller diameter, construction material, serial number, etc., (Fig 1).
The nameplate is located on the bearing frame. When ordering spare parts you will need to identify
pump model, size, serial number and the item number of required parts.
Fig 1

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3575 IOM R6
A.3 RECEIVING AND INSPECTING THE PUMP
Please inspect the pump as soon as it is received and check that everything is in order. File any claims
with the transportation company. This is a weighty pump; lifting equipment must be able to adequately
support the entire assembly (Fig 2, 3).
DANGER
STORAGE REQUIREMENTS
Proper storage of your MAGNATEX pump will insure that it is ready for service when needed.
GENERAL RULE: Pumps with corrosive fluid application; the process side of the pump should be drained
and flushed with water and blown dry using low pressure air flow. After pump is dry a suitable rust
preventative should be applied to the interior of the process side of the pump, whenever idle for periods
in excess of (1) month or less for humid environments.
For oil lubricated pumps the used oil should be drained and the reservoir filled with fresh oil to the nor-
mal operating level. Pumps with sealed grease-lubricated bearings do not require any special attention.
SHORT TERM STORAGE: No special steps are required if the pump is stored indoors in a temperature
controlled environment, for less that (6) months. Follow general rule, and rotate the pump shaft several
times every 3 months.
LONG TERM STORAGE: In excess of (6) months, all machined surfaces and bearing must be treated with a
rust preservative. Rotation of the shaft will be required every 3 months. Refer to coupling and driver
manufacturer to comply with their recommended long term storage procedures. Unit must be stored in
a covered and dry location. For specific recommendations regarding your storage conditions contact
MAGNATEX Pumps.

4
3575 IOM R6
SECTION B
PUMP INSTALLATION
A pump should be located near the supply of liquid and have adequate space for operation, maintenance
and inspection.
B.1 FOUNDATION AND BASEPLATE ALIGNMENT
FOUNDATION
Baseplate mounted pumps are normally grouted on a concrete foundation, which has been poured on a
solid footing; foundation bolts commonly used are J – type and sleeve – type. Both designs permit
movement for final bolt adjustment.

5
3575 IOM R6
LEVEL BASEPLATE
A. Place one set of wedges or shims on each side of every foundation bolt. The wedges should
extend between ¾” and 1 ½” above foundation to allow for adequate grouting.
B. Remove liquid and / or debris from anchor bolt holes/sleeve before grouting. If the sleeve type
bolts are being used, fill the sleeves with packing or rags to prevent grout from entering.
C. Lower Baseplate on to foundation bolts.
D. Level Baseplate to within 1/8” over length of the Baseplate and to within 1/16” over the width
of the base by adjusting the wedges.
E. Hand tighten the bolts.
Fig. 6
Fig. 7

6
3575 IOM R6
B.2 ALIGNMENT
INITIAL ALIGNMENT CHECKS: (Done prior to operation)
Check before grouting the Baseplate to be sure correct alignment is possible.
Check after Baseplate is grouted to see if grouting process has altered alignment.
After pipes are connected, check to see if strained connections have altered alignment. If so,
eliminate piping strain to achieve optimal alignment.
FINAL ALIGNMENT:
Alignment should be checked after first run when both pump and driver are at operating
temperature.
Alignment should be checked periodically in accordance with plant operating procedures.
Good alignment should be checked periodically in accordance with plant operating procedures.
Good alignment is achieved when the dial indicator readings are 0.002 in or less.

7
3575 IOM R6
SECTION C
PREPARATION FOR START‐UP
DANGER
Make sure driver power is locked out.
Failure to lock out driver power may result in serious physical injury.
C.1 ROTATION CHECK
CAUTION
Serious damage may result if pump is run in the wrong rotation.
1. Make sure spacer element is removed from the coupling hubs and that the hubs are securely
fastened to shafts.
2. Connect driver power and JOG driver just long enough to determine direction of rotation.
Rotation must correspond to arrow on bearing housing.
3. Open disconnect for driver power source.
4. Re-connect coupling halves with spacer coupling element and re-install coupling guard.
C.2 CHECK IMPELLER CLEARANCE
Before starting the pump the impeller clearance must be checked. The pump efficiency is maintained
when the proper impeller clearance is set. Impeller front clearance is factory set to predetermined
limits.
Minimum values for different temperatures appear in the following table. The impeller clearance
adjustments are necessary to prevent the impeller from contacting the casing due to differential
expansion at higher operating temperatures. See section I.2 for impeller clearance setting.
IMPELLER
CLEARAN
C
ES
FOR
S
E
RVICE
TEMPERATURES
SERVICE
TEMPERATURE °F (°C)
MAGNATEX 3575 S
inches (mm.)
MAGNATEX 3575 M & L
inches (mm.)
MAGNATEX 3575 XL
inches (mm.)
To 200 °F ( 93°C ) 0.005” (0.13 mm) 0.008” (0.20 mm) 0.010” (0.26 mm)
250 °F ( 93°C ‐121°C ) 0.007” (0.18 mm) 0.010” (0.26 mm) 0.010” (0.26 mm)
300 °F ( 121°C ‐149°C ) 0.009” (0.23 mm) 0.010” (0.26 mm) 0.019” (0.48 mm)
350 °F (149°C ‐177°C ) 0.011” (0.28 mm) 0.010” (0.26 mm) 0.021” (0.53 mm)

8
3575 IOM R6
MAGNATEX
3575
SERIES
OIL SUMP CAPACITY
Model oz. ml.
3575S 16 475
3575M 42 1250
3575L 48 1425
3575XL 96 2850
SECTION D PUMP
START‐UP D.1
CAUTION
Pump has been shipped without oil in the bearing housing
in compliance with US DOT regulat ions.
Add oil to the bearing housing (oil lubricated pumps only!) prior to operation.
Serious damage may result if pump is run without adequate lubrication.
LUBRICATION
Bearing lubrication is very important for the best service life of the pump. Regular oil changes
and lubrication analysis is part of the best maintenance practices for optimum reliability. As
operating conditions vary frequency of re-lubrication can be modified based upon operating
records for the specific pump service.
Recommended lubricants:
OIL: ISO VG68 High Quality turbine oil. Maintain oil temperature
between 122°F (50°C) and 180°F (82°C) for normal operation. For
operation with pumped liquids above 350°F (177°C) use finned oil
cooler. Contact Magnatex Pumps Inc. with any questions.
Suitable oil brands:
Shell – Tellus Oil 68 Royal Purple – SYNFILM VG68 Synth.
Chevron – GTS Oil 68 Exxon – Terrestic EP 68
GREASE: NLGI No.2, sodium or lithium based. Approximate volume of grease per bearing in cubic
centimeters: 1-2 cc for 3575S; 2-3 cc for 3575M/L; and 3-4 cc for 3575XL.
Suitable grease brands:
Exxon Mobil – Mobil Polyrex EM Shell – Shell Dolium R
Chevron – Chevron SRI Exxon Mobil – Mobillith SHC 100
STARTING PUMP
1. Add oil to pump bearing housing via breather port (breather must be removed) until level shows
in the sight glass at the middle of the gauge window. Allow the level to settle out before adding
additional oil. Do not overfill!
2. Ensure that suction valve and any recirculation or cooling lines have been opened.
3. Completely close or partially open discharge valve as determined by system conditions. Never
open discharge valve more than 25% on startup.
4. Start driver. Observe pressure gauges. Stop driver if discharge pressure is not attained quickly.
Allow about 10 seconds for the system liquid levels to settle and attempt to re-start. If pump still
does not come up to pressure, vent all high point vents, re-prime pump and attempt to restart.
5. Open discharge valve slowly until the desired flow is obtained. If normal levels of vibration,
bearing temperature and noise are exceeded, shut the pump down and resolve the problems.