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M05
User Manual
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SANDPIPER M05 User Manual

SERVICE & OPERATING MANUAL
See page 2 for ATEX ratings.
Original Instructions
Model M05 Metallic Design Level 1
Table of Contents
Engineering Data and Temperature Limitations .......................................................1
Explanation of Pump Nomenclature .........................................................................2
Metric Dimensions ( Stainless Steel and Alloy C Models) ........................................7
Principle of Pump Operation.....................................................................................8
Air Supply .................................................................................................................8
Air Valve Lubrication .................................................................................................8
Air Line Moisture.......................................................................................................8
Troubleshooting .....................................................................................................10
Warranty .................................................................................................................10
Available Service and Conversion Kits ...................................................................14
Composite Repair Parts List ...................................................................................15
Air Distribution Valve Assembly Drawing and Parts List .........................................16
Air Distribution Valve Servicing ...............................................................................17
Air Distribution Valve Assembly Drawing and Parts List Polypropylene Centers ...18
Air Distribution Valve Servicing Polypropylene Centers .........................................19
Air Valve with Stroke Indicator Assembly Drawing and Part List ............................20
Air Distribution Valve with Stroke Indicator Option Servicing .................................21
See pages 2, 37 and 38 for ATEX ratings.
Diaphragm Service Drawing, with Overlay .............................................................24
Pilot Valve Servicing, Assembly Drawing & Parts List ............................................26
Intermediate Assembly and Actuator Plunger Servicing ......................................... 27
Check Valve Drawing .............................................................................................28
Optional Mufer Conguration Drawing..................................................................29
Dual Porting Suction and Discharge (Aluminum Model) ........................................31
Single Porting Suction and Dual Porting Discharge (Aluminum Model) ................. 31
Dual Porting Suction and Single Porting Discharge (Aluminum Model) ................. 31
Pumping Hazardous Liquids...................................................................................33
Converted Exhaust Illustration................................................................................33
Pulse Output Kit Drawing .......................................................................................34
Grounding the Pump ..............................................................................................35
CE Declaration of Conformity Machinery ...............................................................36
CE Declaration of Conformity ATEX .......................................................................37
m05mdl1sm-rev0711
Warren Rupp, Inc. • A Unit of IDEX Corporation • 800 N. Main St., Manseld, Ohio 44902 USA
Telephone (419) 524-8388 • Fax (419) 522-7867 • www.warrenrupp.com
©Copyright 2010 Warren Rupp, Inc. All rights reserved.
Aluminum
See page 2 for ATEX ratings.
Model
See pages 2, 37 and 38 for ATEX ratings.
Quality System
ISO9001 Certied
Air Exhaust Side View
Air Inlet Side View
M05 Metallic
Design Level 1
Environmental
Management System
ISO14001 Certied
Stainless Steel
and Alloy C
Models
Ball Valve
Air-Operated Double Diaphragm Pump
ENGINEERING, PERFORMANCE
Air Exhaust Side View Air Inlet Side View
INTAKE/DISCHARGE PIPE SIZE
½" NPT or ½" BSP (Tapered)
1" NPT or 1" BSP (Tapered)
CAPACITY
0 to 15 gallons per minute
(0 to 56 liters per minute)
CAUTION! Operating temperature limitations are as follows:
AIR VALVE
No-lube, no-stall
design
SOLIDS-HANDLING
Up to .125 in. (3mm)
& CONSTRUCTION DATA
HEADS UP TO
125 psi or 289 ft. of water
(8.6 bar or 86 meters)
Operating Temperatures
DISPLACEMENT/STROKE
.026 Gallon / .098 liter
Materials Maximum Minimum
Nitrile General purpose, oil-resistant. Shows good solvent, oil, water and hydraulic uid resistance. Should not be used with highly polar solvents
like acetone and MEK, ozone, chlorinated hydrocarbons and nitro hydrocarbons.
EPDM Shows very good water and chemical resistance. Has poor resistance to oil and solvents, but is fair in ketones and alcohols.
NEOPRENE All purpose. Resistant to vegetable oils. Generally not affected by moderate chemicals, fats, greases and many oils and solvents. Generally
attacked by strong oxidizing acids, ketones, esters, nitro hydrocarbons and chlorinated aromatic hydrocarbons.
PTFE Chemically inert, virtually impervious. Very few chemicals are known to react chemically with PTFE: molten alkali metals, turbulent liquid or gas­eous uorine and a few uoro-chemicals such as chlorine triuoride or oxygen diuoride which readily liberate free uorine at elevated temperatures.
FKM (Fluorocarbon) shows good resistance to a wide range of oils and solvents; especially all aliphatic, aromatic and halogenated hydrocarbons, acids, animal and vegetable oils. Hot water or hot aqueous solutions (over 70°F) will attack FKM.
®
Santoprene
Polypropylene A thermoplastic polymer. Moderate tensile and ex strenght. Resists strong acids and alkalie. Attacked by chlorine, fuming nitric acid and
other strong oxidizing agents.
Conductive HDPE
UHMW PE A thermoplastic polymer that is highly resistant to a broad range of chemicals. Exhibits
outstanding abrasion and impact resistance, along with environmental stress-cracking resistance.
Injection molded thermoplastic elastomer with no fabric layer. Long mechanical ex life. Excellent abrasion resistance.
190°F -10°F 88°C -23°C
280°F -40°F 138°C -40°C
200°F -10°F 93°C -23°C
220°F -35°F 104°C -37°C
350°F -40°F 177°C -40°C
275°F -40°F 135°C -40°C
180°F 32°F 82°C 0°C
180°F -35°F 82°C -37°C
180°F -35°F 82°C -37°C
For specic applications, always consult “Chemical Resistance Chart" Technical Bulletin
Maximum and Minimum Temperatures are the limits for which these materials can be operated. Temperatures coupled with pressure affect the longevity of diaphragm pump components. Maximum life should not be expected at the extreme limits of the temperature ranges.
m05mdl1sm-rev0711 Model M05 Metallic Page 1
Explanation of Pump Nomenclature
II 2GD T5
II 2G EEx m c T5 II 2D c IP65 T100°C
II 2GD T5
II 2G Ex ia c IIC T5 II 2D c iaD 20 IP67 T100˚C
M05 Metallic · Design Level 1· Ball Valve
Check Diaphragm/ Check Non-Wetted Shipping MODEL Pump Pump Valve Design Wetted Check Valve Valve Material Porting Pump Pump Kit Weight Brand Size Type Level Material Materials Seat Options Options Style Options Options lbs. (kg)
M05B1ABWANS000. M 05 B 1 A B W A N S 0 00. 15 (7) M05B1ACTANS000. M 05 B 1 A C T A N S 0 00. 15 (7) M05B1ANWANS000. M 05 B 1 A N W A N S 0 00. 15 (7) M05B1A1WANS000. M 05 B 1 A 1 W A N S 0 00. 15 (7) M05B1A2TANS000. M 05 B 1 A 2 T A N S 0 00. 15 (7) M05B1SCTANS000. M 05 B 1 S C T A N S 0 00. 21 (10) M05B1SNWANS000. M 05 B 1 S N W A N S 0 00. 21 (10) M05B1S1WANS000. M 05 B 1 S 1 W A N S 0 00. 21 (10)
Note: Models listed in the table are for reference only. See nomenclature below for other models.
Pump Brand
M= MARATHON
Pump Size
05= ½"
Check Valve Type
B= Ball
Design Level
1= Design Level
Wetted Material
A= Aluminum S= Stainless Steel H= Alloy C
Diaphragm/Check Ball Material
B= Nitrile/Nitrile C= FKM/PTFE N= Neoprene/Neoprene E= EPDM/EPDM
† Note: Pumps equipped with non-wetted options C or P are limited to a maximum operating pressure of 100 psi or 7 bar.
®
Diaphragm/Check Ball Material Cont.
1= Santoprene/Santoprene 2= PTFE-Santoprene/PTFE Z= One Piece PTFE-Nitrile/PTFE
Valve Seat
A= Aluminum C= Cast Iron H= Alloy C S= Stainless Steel T= PTFE W= UHMW Polyethylene
Non-Wetted Material
A= Aluminum Y= Aluminum With Stainless Steel hardware
†
C= Conductive Polypropylene With Stainless Steel hardware†
†
P= Polypropylene With Stainless Steel hardware
Porting Options
N= NPT Threads B= BSP (Tapered) Threads 1= Dual Porting (NPT) 2= Top Dual Porting (NPT)
Porting Options Cont.
3= Bottom Dual Porting NPT 4= Dual Porting BSP (Tapered) 5= Top Dual Porting BSP (Tapered) 6= Bottom Dual Porting BSP (Tapered)
Pump Style
S= Standard
Pump Options
0= Integral Mufer 1= Sound Dampening Mufer 2= Mesh Mufer 6= Metal Mufer 7= Metal Mufer with grounding cable
Kit Options
00.= None P0.= 10-30VDC Pulse Output Kit P1.= Intrinsically-Safe 5-30VDC, 110/120VAC 220/240 VAC Pulse Output Kit P2.= 110/120 or 220/240VAC Pulse Output Kit E0.= Solenoid Kit with 24VDC Coil E1.= Solenoid Kit with 24VDC Explosion-Proof Coil
E2.= Solenoid Kit with 24VAC/12VDC Coil E3.= Solenoid Kit with 12VDC Explosion-Proof Coil E4.= Solenoid Kit with 110VAC Coil E5.= Solenoid Kit with 110VAC Explosion-Proof Coil E6.= Solenoid Kit with 220VAC Coil
Kit Options continued
E7.= Solenoid Kit with 220VAC Explosion-Proof Coil E8.= Solenoid Kit with 110VAC, 50 Hz Explosion-Proof Coil E9.= Solenoid Kit with 230VAC, 50 Hz Explosion-Proof Coil SP.= Stroke Indicator Pins
A1.= Solenoid Kit with 12 VDC ATEX Compliant Coil A2.= Solenoid Kit with 24 VDC ATEX Compliant Coil A3.= Solenoid Kit with 110/120 VAC 50/60 Hz ATEX Compliant Coil A4.= Solenoid Kit with 220/240 VAC 50/60 Hz ATEX Compliant Coil
(1)
II 1G c T5 II 3/1 G c T5 II 1D c T100°C I M1 c I M2 c
II 2G c T5 II 3/2 G c T5 II 2D c T100°C
Models equipped with Wetted Options S or H, Non-Wetted Option C, Pump
(2)
Options 6 or 7, and Kit Option 0. NOTE: See page 37 for ATEX Explanation of
EC-Type Certicate
Models equipped with Wetted Options A,S or H, Non-Wetted Options A or Y, Pump Options 6 or 7, and Kit Option 0. NOTE: See page 37 for ATEX
Explanation of Type Examination Certicate
II 2G Ex ia c IIC T5 II 3/2 G Ex ia c IIC T5 II 2D Ex c ia 20 IP67 T100°C
Note: Pumps ordered with the options listed in (1) to the left are ATEX compliant when ordered with kit option P1.
(3*)
II 2G EEx m c II T5 II 3/2 2G EEx m c II T5 II 2D c IP65 T100°C
Note: Pumps ordered with the options listed in (1) to the left are ATEX com­pliant when ordered with kit option A1, A2, A3, or A4. Compressed Air Temperature Range: Maximum Ambi­ent Temperature to plus 50°C.
*Note: See page 21 for Special Conditions For Safe Use.
(4)
IEC EEX m T4
Note: Pump models equipped with these explosion-proof solenoid kit options E1,
E3, E5, E7, E8 or E9, are certied and
approved by the above agencies. They are NOT ATEX compliant.
m05mdl1sm-rev0711 Model M05 Metallic Page 2
MODEL S05 Metallic Performance Curve
Performance based on the following: elastomer tted pump, ooded suction, water at ambient conditions.
Performance Curve, M05 Metallic, Design Level 1
The use of other materials and varying hydraulic conditions may result in deviations in excess of 5%.
BAR
7
6
5
4
HEAD
3
2 (3.5)
PSI
100
100 PSI (6.8 Bar)
80
80 PSI (5.44 Bar)
60
60 PSI (4.08 Bar)
40
40 PSI (2.72 Bar)
4 (7)
6 (10)
8 (13.5)
SCFM (M /hr)
10 (17)
12 (20)
14 (24)
16 (27)
18 (30)
20 (33.75)
NPSHR
FEET
METERS
2
20
20 PSI (1.36 Bar)
1
0
0
Air Inlet Pressure
20
4 6 8 10 12 14 16
30 25 20
15 10
9.1
7.6 6
4.5 3
1.5
5
U.S. Gallons per minute
0
10 20 30 40 50 60
Liters per minute
CAPACITY
m05mdl1sm-rev0711 Model M05 Metallic Page 3
Dimensions: M05 Metallic (Aluminum Model)
Dimensions in Inches Dimensional tolerance: ±1/8"
ENCAPSULATED MUFFLER:
3/8” NPT EXHAUST PORT
FOR OPTIONAL PIPING MUFFLER
STYLES OR PIPING EXHAUST
AIR IN SUBMERGED APPLICATIONS.
DISCHARGE PORT 1/2” NPT (INTERNAL) 1” NPT (EXTERNAL)
AIR INLET 1/4” NPT
FRONT VIEW
BOTH SUCTION AND DISCHARGE
1/2” BSP TAPERED (INTERNAL)
1” BSP TAPERED (EXTERNAL)
BOTTOM VIEW
SIDE VIEW
SUCTION PORT
1/2” NPT (INTERNAL)
1” NPT (EXTERNAL)
PORTS ARE AVAILABLE IN
DIMENSION A B
Integral Mufer 4 5/16" 7 5/16"
Pulse Output Kit 4 5/16" 7 5/16"
Mesh Mufer 6" 9"
Sound Dampening Mufer 6" 9"
Metal Mufer 5 5/8" 8 5/8"
m05mdl1sm-rev0711 Model M05 Metallic Page 4
Metric Dimensions: M05 Metallic (Aluminum Model)
Dimensions in millimeters Dimensional tolerance: ±3mm
ENCAPSULATED MUFFLER:
3/8” NPT EXHAUST PORT
FOR OPTIONAL PIPING MUFFLER
STYLES OR PIPING EXHAUST
AIR IN SUBMERGED APPLICATIONS.
DISCHARGE PORT 1/2” NPT (INTERNAL) 1” NPT (EXTERNAL)
AIR INLET 1/4” NPT
FRONT VIEW
BOTTOM VIEW
SUCTION PORT
1/2” NPT (INTERNAL)
1” NPT (EXTERNAL)
BOTH SUCTION AND DISCHARGE
PORTS ARE AVAILABLE IN
1/2” BSP TAPERED (INTERNAL)
1” BSP TAPERED (EXTERNAL)
SIDE VIEW
DIMENSION A B
Integral Mufer 109mm 186mm
Pulse Output Kit 109mm 186mm
Mesh Mufer 152mm 229mm
Sound Dampening Mufer 152mm 229mm
Metal Mufer 143 mm 219 mm
m05mdl1sm-rev0711 Model M05 Metallic Page 5
Dimensions: M05 Metallic (Stainless Steel & Alloy C Models)
Dimensions in Inches Dimensional tolerance: ±
1
/8"
DISCHARGE PORT 1/2” NPT (INTERNAL) 1” NPT (EXTERNAL)
ENCAPSULATED MUFFLER:
3/8” NPT EXHAUST PORT
FOR OPTIONAL PIPING MUFFLER
STYLES OR PIPING EXHAUST
AIR IN SUBMERGED APPLICATIONS.
AIR INLET 1/4” NPT
FRONT VIEW
SIDE VIEW
SUCTION PORT
1/2” NPT (INTERNAL)
1” NPT (EXTERNAL)
BOTH SUCTION AND DISCHARGE
PORTS ARE AVAILABLE IN
1/2” BSP TAPERED (INTERNAL)
1” BSP TAPERED (EXTERNAL)
DIMENSION A B Integral Mufer 4 5/16" 7 5/16"
BOTTOM VIEW
Pulse Output Kit 4 5/16" 7 5/16" Mesh Mufer 6" 9" Sound Dampening Mufer 6" 9" Metal Mufer 5 5/8" 8 5/8"
m05mdl1sm-rev0711 Model M05 Metallic Page 6
Metric Dimensions: M05 Metallic (Stainless Steel & Alloy C Models)
Dimensions in millimeters Dimensional tolerance: ±3mm
ENCAPSULATED MUFFLER:
3/8” NPT EXHAUST PORT
FOR OPTIONAL PIPING MUFFLER
STYLES OR PIPING EXHAUST
AIR IN SUBMERGED APPLICATIONS.
FRONT VIEW
SUCTION PORT
1/2” NPT (INTERNAL)
1” NPT (EXTERNAL)
DISCHARGE PORT 1/2” NPT (INTERNAL) 1” NPT (EXTERNAL)
AIR INLET 1/4” NPT
SIDE VIEW
BOTH SUCTION AND DISCHARGE
PORTS ARE AVAILABLE IN
1/2” BSP TAPERED (INTERNAL)
1” BSP TAPERED (EXTERNAL)
DIMENSION A B Integral Mufer 109mm 186mm
Pulse Output Kit 109mm 186mm Mesh Mufer 152mm 229mm
BOTTOM VIEW
Sound Dampening Mufer 152mm 229mm Metal Mufer 143mm 219mm
m05mdl1sm-rev0711 Model M05 Metallic Page 7
PRINCIPLE OF PUMP OPERATION
This ball type check valve pump is powered by compressed air and is a 1:1 ratio design. The inner side of one diaphragm chamber is alternately pressurized while simultaneously exhausting the other inner chamber. This causes the diaphragms, which are connected by a common rod secured by plates to the centers of the diaphragms, to move in a reciprocating action. (As one diaphragm performs the discharge stroke the other diaphragm is pulled to perform the suction stroke in the opposite chamber.) Air pressure is applied over the entire inner surface of the diaphragm while liquid is discharged from the opposite side of the diaphragm. The diaphragm operates in a balanced condition during the discharge stroke which allows the pump to be operated at discharge heads over 200 feet (61 meters) of water.
For maximum diaphragm life, keep the pump as close to the liquid being pumped as possible. Positive suction head in excess of 10 feet of liquid (3.048 meters) may require a back pressure regulating device to maximize diaphragm life.
Alternate pressurizing and exhausting of the diaphragm chamber is performed by an externally mounted, pilot operated, four way spool type air distribution valve. When the spool shifts to one end of the valve body, inlet pressure is applied to one diaphragm chamber and the other diaphragm chamber exhausts. When the spool shifts to the opposite end of the valve body, the pressure to the chambers
is reversed. The air distribution valve spool is moved by a internal pilot valve which alternately pressurizes one end of the air distribution valve spool while exhausting the other end. The pilot valve is shifted at each end of the diaphragm stroke when a actuator plunger is contacted by the diaphragm plate. This actuator plunger then pushes the end of the pilot valve spool into position to activate the air distribution valve.
The chambers are connected with manifolds with a suction and discharge check valve for each chamber, maintaining flow in one direction through the pump.
INSTALLATION AND START-UP
Locate the pump as close to the product being pumped as possible. Keep the suction line length and number of ttings to a minimum. Do not reduce the suction line diameter.
For installations of rigid piping, short sections of exible hose should be installed between the pump and the piping. The exible hose reduces vibration and strain to the pumping system. A DA05 Surge Dampener is recommended to further reduce pulsation in ow.
AIR SUPPLY
Air supply pressure cannot exceed 125 psi (8.6 bar). Connect the pump air inlet to an air supply of sufcient capacity and pressure required for desired performance. When the air supply line is solid piping, use a short length of exible hose not less than 1/2" (13mm) in diameter between the pump and the piping to reduce
strain to the piping. The weight of the air supply line, regulators and lters must be supported by some means other than the air inlet cap. Failure to provide support for the piping may result in damage to the pump. A pressure regulating valve should be installed to insure air supply pressure does not exceed recommended limits.
AIR VALVE LUBRICATION
The air distribution valve and the pilot valve are designed to operate WITHOUT lubrication. This is the preferred mode of operation. There may be instances of personal preference or poor quality air supplies when lubrication of the compressed air supply is required. The pump air system will operate with properly lubricated compressed air supply. Proper lubrication requires the use of an air line lubricator (available from MARATHON) set to deliver one drop of SAE 10 non­detergent oil for every 20 SCFM (9.4 liters/sec.) of air the pump consumes at the point of operation. Consult the pump’s published Performance Curve to determine this.
AIR LINE MOISTURE
Water in the compressed air supply can create problems such as icing or freezing of the exhaust air, causing the pump to cycle erratically or stop operating. Water in the air supply can be reduced by using a point-of-use air dryer to supplement the user’s air drying equipment. This device removes water from the compressed air supply and alleviates the icing or freezing problems.
AIR INLET AND PRIMING
To start the pump, open the air valve approximately 1/2" to 3/4" turn. After the pump primes, the air valve can be opened to increase air ow as desired. If opening the valve increases cycling rate, but does not increase the rate of ow, cavitation has occurred. The valve should be closed slightly to obtain the most efcient air ow to pump ow ratio.
BETWEEN USES
When the pump is used for materials that tend to settle out or solidify when not in motion, the pump should be flushed after each use to prevent damage. (Product remaining in the pump between uses could dry out or settle out. This could cause problems with the diaphragms and check valves at restart.) In freezing temperatures the pump must be completely drained between uses in all cases.
m05mdl1sm-rev0711 Model M05 Metallic Page 8
CAUTION
The ai r exhau st sho ul d be pip ed t o an area f or saf e disposition of the product bei ng pumped , in t he event of a diaphr agm failu re.
TYPICAL INSTALLATION GUIDE
For Metallic Pumps
Air Inlet
Line
Available from MARATHON
m05mdl1sm-rev0711 Model M05 Metallic Page 9
TROUBLESHOOTING Possible Symptoms:
• Pump will not cycle.
• Pump cycles, but produces no ow.
• Pump cycles, but ow rate is
unsatisfactory.
• Pump cycle seems unbalanced.
• Pump cycle seems to produce
excessive vibration.
What to Check: Excessive suction lift in system. Corrective Action: For lifts exceeding 20 feet (6 meters), lling the pumping chambers with liquid will prime the pump in most cases.
What to Check: Excessive flooded suction in system. Corrective Action: For flooded conditions exceeding 10 feet (3 meters) of liquid, install a back pressure device.
What to Check: System head exceeds air supply pressure. Corrective Action: Increase the inlet air pressure to the pump. Most diaphragm pumps are designed for 1:1 pressure ratio at zero ow.
What to Check: Air supply pressure or volume exceeds system head. Corrective Action: Decrease inlet air pressure and volume to the pump as calculated on the published PERFORMANCE CURVE. Pump is cavitating the uid by fast cycling.
Corrective Action: Meet or exceed pump connection recommendations shown on the DIMENSIONAL DRAWING.
What to Check: Restricted or undersized air line. Corrective Action: Install a larger air line and connection. Refer to air inlet recommendations shown in your pump’s SERVICE MANUAL.
What to Check: Check ESADS+Plus, the Externally Serviceable Air Distribution System of the pump. Corrective Action: Disassemble and inspect the main air distribution valve, pilot valve and pilot valve actuators. Refer to the parts drawing and air valve section of the SERVICE MANUAL. Check for clogged discharge or closed valve before reassembly.
What to Check: Rigid pipe connections to pump. Corrective Action: Install flexible connectors and a surge dampener.
What to Check: Blocked air exhaust mufer. Corrective Action: Remove mufer screen, clean or de-ice and reinstall. Refer to the Air Exhaust section of your pump SERVICE MANUAL.
What to Check: Pumped uid in air exhaust mufer. Corrective Action: Disassemble
pump chambers. Inspect for diaphragm rupture or loose diaphragm plate assembly. Refer to the Diaphragm Replacement section of your pump SERVICE MANUAL.
What to Check: Suction side air leakage or air in product. Corrective Action: Visually inspect all suction side gaskets and pipe connections.
What to Check: Obstructed check valve. Corrective Action: Disassemble the wet end of the pump and manually dislodge obstruction in the check valve pocket. Refer to the Check Valve section of the pump SERVICE MANUAL for disassembly instructions.
What to Check: Worn or misaligned check valve or check valve seat. Corrective Action: Inspect check valves and seats for wear and proper seating. Replace if necessary. Refer to Check Valve section of the pump SERVICE MANUAL for disassembly instructions.
What to Check: Blocked suction line. Corrective Action: Remove or ush
obstruction. Check and clear all suction screens and strainers.
What to Check: Blocked discharge line. Corrective Action: Check for
obstruction or closed discharge line valves.
What to Check: Blocked pumping chamber. Corrective Action: Disassemble and inspect the wetted chambers of the pump. Remove or flush any obstructions. Refer to the pump SERVICE MANUAL for disassembly instructions.
What to Check: Entrained air or vapor lock in one or both pumping chambers. Corrective Action: Purge chambers through tapped chamber vent plugs. PURGING THE CHAMBERS OF AIR CAN BE DANGEROUS! Contact the MARATHON Technical Services Group before performing this procedure. A model with top-ported discharge will reduce or eliminate problems with entrained air.
If your pump continues to perform below your expectations, contact your local MARATHON Distributor or factory Technical Services Group for a service evaluation.
WARRANTY
Refer to the enclosed MARATHON Warranty Card.
What to Check: Undersized suction line.
m05mdl1sm-rev0711 Model M05 Metallic Page 10
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