Page 2 - Table of ConTenTs; submersible Pumps; Component Drawings
page 2 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) Table of ConTenTs sT41230/sT41460 sT61230/sT61460 submersible Pumps Table Of Contents .................................................... 2 Parts Ordering Procedures ...................................... 3 ...
Page 3 - ordering parts has never been easier!; Choose from three easy options:; We aCCept all maJor CreDit CarDs!; order via internet; Order; internet; order via Fax; Fax; NOTICE; ParTs orDering ProCeDures
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 3 www .multiquip .com ordering parts has never been easier! Choose from three easy options: We aCCept all maJor CreDit CarDs! when ordering parts, please supply: ❒ Dealer account number ❒ Dealer name and address...
Page 4 - safeTy informaTion; saFetY messages; Danger; Burn hazards; Symbol; Electric shock hazards
page 4 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) safeTy informaTion Do not operate or service the equipment before reading the entire manual. Safety precautions should be followed at all times when operating this equipment. Failure to read and understand th...
Page 5 - general saFetY
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 5 safeTy informaTion general saFetY Caution never operate this equipment without proper protective clothing, shatterproof glasses, respiratory protection, hearing protection, steel-toed boots and other protect...
Page 6 - pump saFetY; eleCtriCal saFetY
page 6 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) safeTy informaTion pump saFetY Danger never operate the equipment in an explosive atmosphere or near combustible materials. An explosion or fi re could result causing severe bodily harm or even death. Warni...
Page 7 - Dan
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 7 safeTy informaTion NOTICE alWaYs make certain that the voltage supplied to the pump is correct. Always read the pump’s nameplate to determine what the power requirements are. power Cord/Cable safety Dan ne...
Page 8 - sPeCifiCaTions; table 1. specifications; motor rotation; interchange any two phases from the power source.; mechanical seal oil; All control boxes provide thermal overload protection.
page 8 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) sPeCifiCaTions table 1. specifications model st41230 st41460 st61230 st61460 type Centrifugal Centrifugal Centrifugal Centrifugal impeller Chrome Steel Chrome Steel Chrome Steel Chrome Steel Discharge size in...
Page 9 - Dimensions; Figure 1. Pump Dimensions
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 9 A B F G C E D H J I Dimensions Figure 1. Pump Dimensions table 2. Dimensions in. (mm) reF. Des. st41230/st4160 reF. Des. st61230/st6160 A 11 (279) F 14 (356) B 11 (279) G 14 (356) C 32.5 (826) H 34.75 (883) D ...
Page 10 - general informaTion
page 10 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) general informaTion The Multiquip Model ST41230/ST41460 and ST61230/ ST61460 submersible pumps are designed to pump water. These pumps work best when faced with high head applications where you need an appre...
Page 11 - ComPonenTs; Figure 2. Submersible Pump Components
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 11 ComPonenTs Figure 2 shows the location of the basic components, for the submersible pumps. Listed below is a brief explanation of each component.1. strainer base – This strainer base is made of stainless stee...
Page 12 - floaT swiTChes; mechanical Float switch; on; pumping range; table 3. pumping range; Design Features
page 12 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) floaT swiTChes mechanical Float switch Mechanically activated float switches offer a reliable low current control for dewatering applications. How it Works The mechanical float switch control will turn on (c...
Page 13 - Float switches; Figure 6. Float Switch Application; mounting the Float switches; cord tether length; Do not
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 13 Float switches For unattended operation of the submersible pump two single float switches (Model SW-1WOPA) will be required. These float switches can be connected directly to a control box (bare wires) and wi...
Page 14 - Control boxes; two; Figure 7. Electrical Control Box
page 14 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) floaT swiTChes Control boxes For remote pumping applications, all four model submersible pumps will require a control box (Figure 7).For each model submersible pump there is an associated control box. Refere...
Page 15 - ConTrol box insTallaTion; Control box installation; flammable liquids; Control boX mounting; table 5. power Cord length
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 15 ConTrol box insTallaTion Control box installation The following procedure outlines the steps for connecting the pump to a control box. Danger Each submersible pump is designed to work with a control box.This ...
Page 16 - Connecting sW-1Wopa Float switches to Control; table 6. Dual Float switch Connections; Start
page 16 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) ConTrol box insTallaTion Connecting sW-1Wopa Float switches to Control box 1. Remove the float switch input connector housing, then route the float switch wires through the cable gland on the control box. At...
Page 17 - ConTrol box Power ConneCTions; input power Connections; BLACK; output power Connections
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 17 ConTrol box Power ConneCTions 3-phase power installation (input to Control box) 1. The 3-phase input power cord should have four wires. Each wire is color coded. The colors are reD , WHite , BLACK and green ....
Page 18 - ConTrol box wiring layouT; Figure 8. Three Phase
page 18 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) ConTrol box wiring layouT 2. START FLOAT SWITCH. CONNECT TO TERMINALS 1 AND 2 3. STOP FLOAT SWITCH. CONNECT TO TERMINALS 3 AND 4 MOUNT CONTROL BOX IN AN UP-LEFT VERTICAL POSITION AS SHOWN. FLOAT SWITCH TERMI...
Page 19 - pump placement; Figure 9. Placing the Submersible Pump; oPeraTion
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 19 pump placement 1. Attach a suitable lifting chain to the eye bolts or lift handle (Figure 9) on the pump. Use a crane, or similar lifting device and lower the pump into place. For applications where there is ...
Page 20 - reset button; Figure 14. RESET Button; LIT; Figure 12. Control Box Power ON Indicator; stop float
page 20 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) oPeraTion reset button 1. When the electronic overload module detects an overload condition, the pump will shut down. Check the pump and correct the cause of ther overload. 2. Let the pump cool down, then pr...
Page 21 - mainTenanCe; lubrication; Checking Lubrication Oil Level; Figure 16. Adding Lubrication Oil; Warning; Inspecting Lubrication Oil (Mechanical Seal); Figure 17. Lubrication Oil Inspection; MUST
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 21 mainTenanCe lubrication To check the lubrication oil level of the mechanical seal perform the following: Checking Lubrication Oil Level 1. Lay the pump (Figure 16) on its side with the oil plug facing upwards...
Page 22 - impeller removal; Figure 18. Impeller Removal
page 22 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) mainTenanCe impeller removal Refer to the the following procedure and Figure 18 for the removal of the impeller.1. Remove oil screw and gasket from the oil fill chamber por t. Drain oil from oil chamber as r...
Page 23 - Water tank storage; leakage; Figure 19. Insulation Tester Application; long term storage
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 23 mainTenanCe Water tank storage If an installed pump (immersed in water) has not been in operation for a long period of time, check the insulation resistance and run the pump for 30 minutes every month.If the ...
Page 24 - noTes
page 24 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) noTes
Page 25 - TroubleshooTing; table 9. pump troubleshooting; sYmptom; Pump Fails To Start
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 25 TroubleshooTing table 9. pump troubleshooting sYmptom possible problem solution Pump Fails To Start Incorrect voltage/amps? Check that the proper voltage, 230 or 460 VAC, 60 Hz, 3-phase is being supplied to t...
Page 26 - JUMPER
page 26 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) ConTrol box wiring Diagram (Cb1269/Cb1274) L1 230 VAC THREE PHASE WIRING CONNECTIONS EXTERNAL 3-PHASE (230 VAC) POWER SOURCE CIRCUIT BREAKER RED WHITE BLACK L1 L2 L3 GREEN GROUND G ON INDICATOR LAMP M A1 A2 ...
Page 28 - exPlanaTion of CoDes in remarKs Column; SAMPLE PARTS LIST; part name; REMARKS
page 28 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) exPlanaTion of CoDes in remarKs Column The following section explains the different symbols and remarks used in the Parts section of this manual. Use the help numbers found on the back page of the manual if ...
Page 29 - suggesTeD sPare ParTs; Description
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 29 suggesTeD sPare ParTs st41230/st41460 anD st61230/st61460 submersible pumps 1 to 3 units Qty. p/n Description 1............432230-01 ............ MECHANICAL SEAL 1............4214335-01 .......... OIL SEAL 1....
Page 33 - SNAP RING
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 33 no. part no. part name QtY. REMARKS 75 753430010-01 WASHER, LOCK M10 14 75A 753430006-01 WASHER, LOCK, M6 4 75B 753430012-01 WASHER, LOCK, M12 2 75C 753430008-01 WASHER, LOCK, M8 8 75D 751306304 WAVE WASHER, ...
Page 37 - WAVE WASHER
st4/st6 series submersible pumps• operation anD parts manual — rev. #1 (11/12/13) — page 37 sT61230/sT61460 assy. no. part no. part name QtY. REMARKS 75 753430008-01 WASHER, LOCK M8 4 75A 753430006-01 WASHER, LOCK, M6 2 75B 753430010-01 WASHER, LOCK, M10 27 75C 757300004 WASHER, LOCK, M4 1 75D 75130...
Page 38 - Terms anD ConDiTions of sale — ParTs
page 38 — st4/st6 series submersible pumps • operation anD parts manual — rev. #1 (11/12/13) paYment terms Terms of payment for parts are net 30 days. FreigHt poliCY All parts orders will be shipped collect or prepaid with the charges added to the invoice. All shipments are F.O.B. point of origin. M...
Page 40 - OperatiOn and parts Manual; Your Local Dealer is:; HERE’S HOW TO GET HELP; PLEASE HAVE THE MODEL AND SERIAL; UNITED STATES; CANADA; UNITED KINGDOM
OperatiOn and parts Manual Your Local Dealer is: HERE’S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING © COPYRIGHT 2013, MULTIQUIP INC. Multiquip Inc, the MQ logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written per...
