MULTIQUIP ST-45HRM Operations & Parts Manual
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MULTIQUIP ST-45HRM Operations & Parts Manual

MULTIQUIP ST-45HRM Operations & Parts Manual

Mayco series structural concrete pump (hatz diesel engine)
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OPERATIONS & PARTS MANUAL
SERIES
MODEL ST-45HRM
STRUCTURAL CONCRETE PUMP
(HATZ DIESEL ENGINE)
FINAL REVISION
Revision #4 (07/16/04)
THIS MANUAL MUST ACCOMPANY
THE EQUIPMENT AT ALL TIMES.

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Summary of Contents for MULTIQUIP ST-45HRM

  • Page 1 OPERATIONS & PARTS MANUAL SERIES MODEL ST-45HRM STRUCTURAL CONCRETE PUMP (HATZ DIESEL ENGINE) FINAL REVISION Revision #4 (07/16/04) THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

  • Page 2: Proposition 65 Warning

    Proposition 65 Warning PAGE 2 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 3: Here's How To Get Help

    © COPYRIGHT 2004, MULTIQUIP INC. Multiquip Inc, the MQ logo and the Mayco logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other trademarks are the property of thier respective owners and used with permission.

  • Page 4: Table Of Contents

    Specification and part NOTE Terms and Conditions Of Sale — Parts ....130 number are subject to Mayco Pump Warranty .......... 131 change without notice PAGE 4 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 5: Parts Ordering Procedures

    Parts Department: CARSON, CALIFORNIA 90749 310-537-3700 • 800-421-1244 Toll-free nationwide — 800-427-1244 FAX: 310-537-3927 E-MAIL: mq@multiquip.com Toll-free FAX — 800-6-PARTS-7 (800/672-7877) INTERNET: www.multiquip.com MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 5...

  • Page 6: Pump Specifications

    . n i l l i g i s u l s i l , e z i e t i t i d o t i PAGE 6 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 7: Engine Specifications

    O c i r i t a e c i s a l i t r c i r t r a s b l MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 7...

  • Page 8: Dimensions

    ST-45 PUMP — DIMENSIONS . n i . n i . n i . n i Figure 1. ST-45 Structural Concrete Pump Dimensions PAGE 8 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 9: Safety Message Alert Symbols

    Potential hazards associated with operation of the pump will be referenced with Hazard Symbols which appear throughout this manual, and will be referenced in conjunction with Safety Message Alert Symbols. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 9...
  • Page 10 Other important messages are provided throughout this manual to help prevent damage to your concrete pump, other property, or the surrounding environment. PAGE 10 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 11: Rules For Safe Operation

    An explosion or fire could result causing severe bodily harm or even death. ■ Topping-off to filler port is dangerous, as it tends to spill fuel. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 11...

  • Page 12: Rules For Safe Operation

    ■ Refer to the HATZ Engine Owner's Manual for engine technical questions or information recommended by Multiquip for this equipment. Damage to the equipment and or injury to user may result. PAGE 12 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 13: Rules For Safe Operation

    7. In case the battery liquid (dilute sulfuric acid) comes in contact with your eyes, rinse eyes immediately with plenty of water, then contact the nearest doctor or hospital, and seek medical attention. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 13...

  • Page 14: Operation And Safety Decals

    Figure 1 below illustrates these decals as they appear on the machine. Should any of these decals become unreadable, replacements can be obtained from your dealer. Figure 2. ST-45 Operation and Safety Decals PAGE 14 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 15 — OPERATION AND SAFETY DECALS ST-45 PUMP Figure 3. ST-45 Operation and Safety Decals MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 15...

  • Page 16: Important Hand Signals

    ST-45 PUMP — IMPORTANT HAND SIGNALS Figure 1 display's the basic hand signals commonly used in concrete pumping operations. Figure 4 Operation Hand Signals PAGE 16 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 17: General Information

    The Mayco Model ST-45 will pump a wide variety of concrete pump mixes. But, there are guidelines that must be followed. Use this information in conjunction with the Operating Procedures (pages 24-28). MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 17...

  • Page 18: General Information

    530 lbs. of cement/cu yd for 3000 p.s.i. concrete after 28 days. 600 lbs. of cement/cu yd for 4000 p.s.i. concrete after 28 days. 4. Admixture pump-aid if necessary. PAGE 18 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 19: How It Works

    The pumping sequence then repeats for the durration of the operation. Figure 5. Pumping Cycle 1 MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 19...

  • Page 20: Pump Components

    ST-45 PUMP — PUMP COMPONENTS Figure 7. Major Pump Components PAGE 20 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 21: Pump Components

    12. Remixer Motor – Drives the remixer paddles inside the hopper. The motor direction is controled by the remixer control lever. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 21...

  • Page 22: Control Box Components

    NEVER operate the ST-45 if this cooling fan. lamp is off. 13. Remote Cable Connector – Insert the remote control input cable into this connector. PAGE 22 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 23: Engine Components

    Side Oil Drain Plug – Remove this plug to drain engine engine wear. oil from the engine crankcase. For best results drain engine oil when oil is warm. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 23...

  • Page 24: Operating Procedures

    PAGE 24 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 25 On a lean mix, long pushes, stiff few examples are Cement and lime at a 50/50 mixture, mixes, and vertical pushes, Pozzolith 300R helps slick pac, bentonite clay. pumpability. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 25...
  • Page 26 (24" length of reinforcing steel pressure and can cause serious injury. rod) under the latch of the hose clamp and flip it up. PAGE 26 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 27 Ninety degree, long radius pipe sweeps should be installed at the top and bottom of the steel line. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 27...
  • Page 28 22. New Pumps – All new pumps are ‘water pressure tested” at the factory This procedure permits a thorough inspection of PAGE 28 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 29: Inspection

    DO NOT attempt to refuel mixer if the engine is hot or running. ALWAYS allow engine to cool before refueling. Figure 11. Adding Diesel Fuel MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 29...
  • Page 30 11. If the pump's engine oil is low, fill engine crankcase with lubricating oil through filler hole, but DO NOT overfill. PAGE 30 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 31: Inspection

    Pump, set the rear stabilizers as follows: 15. Locate both the left and right rear stabilizer stands (Figure 16). Figure 18. Rear Stablizer Stand Deployment Figure 16. Locatiing Rear Stabilizer Stands MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 31...

  • Page 32: Initial Start-Up Procedure

    If any of the status indicator lights referenced in the ignition section (step 4) remain “ON”, turn off the engine and correct the problem. DO NOT continue to run the equipment. PAGE 32 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 33 TO IDLE ENGINE strokes within 1 minute. Figure 27. Throttle Control Knob (RPM Adjust) 9. Turn the Control Off switch (Figure 10) to the “OFF“ position. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 33...
  • Page 34 DO NOT continue to operate the pump. Failure to shut down the pump will result in severe damage to the pump. Figure 32. Hopper Remixer Control Lever PAGE 34 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 35: Initial Start-Up Procedure

    When the box is clean, replace drain plug, add new lubrication and install the top cover. Figure 34. Handheld Receiver/Transmitter MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 35...

  • Page 36: Towing Guidelines

    ■ Inflate tires to correct pressure, inspect tires for cuts, and off the ground so dirt and other debris will not build up in the excessive wear. See Table 5 (Tire Wear Troubleshooting). ball socket. PAGE 36 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 37 ST-45 PUMP — TOWING GUIDELINES Figure 36 shown below illustrates the typical towing application that should be used when towing the pump. Figure 36. Towing Applications MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 37...

  • Page 38: Trailer Safety Guidelines

    7. Tires Ply – The tire ply (layers) number is rated in letters; 2- ply, 4-ply, 6-ply, 8-ply, 10-ply etc. This unit employes 4-ply tires. PAGE 38 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 39 Table 6. Table 5 (Tire Wear Troubleshooting) will help pinpoint the causes and solutions of tire wear problems. Figure 37. Major Suspension Components MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 39...
  • Page 40 3. After first road use, retorque all lug nuts in sequence. Check all wheel lug nuts periodically. NOTE NEVER! use an pneumatic air gun to tighten wheel lug nuts. Figure 38. Wheel Lug Nuts Tightening Sequence PAGE 40 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 41: Towing Information

    DO NOT spring stop. Accidental application will force the release handle into the closed cause the brakes to drag and heat up, position. causing a failure. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 41...
  • Page 42 The slot has a notch at the bottom of its travel. Push the directional lever down to engage the locking notch. 4. Back the trailer up. PAGE 42 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 43: Wiring Diagram (Tail Lights)

    ST-45 PUMP — WIRING DIAGRAM (TAIL LIGHTS) Figure 42. Trailer Tail Lights Wiring Diagram MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 43...

  • Page 44: Maintenance (Pump)

    MUST read ZERO. ALWAYS relieve the accumulator circuit 4. Carefully disconnect the first hose joint at the shuttle tube to zero pressure prior to performing any maintenance on the discharge elbow. pump. PAGE 44 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 45 - 3 Place on the engine not contained herein, refer to the engine manufacturer’s instruction manual. Grease Type: Lithium Based EP Texaco Multitak 20 Lubriplate ED-2 MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 45...
  • Page 46 (Figure 43). If necessary add only distilled water in a NOTE Wheel bearings and seals should be well-ventilated area. inspected and packed at this time. Figure 43. Battery Electrolyte Levels PAGE 46 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 47 MAXIMUM RELIEF VALVE CARTRIDGE JAM NUT MAIN RELIEF VALVE VOLUME CONTROL Figure 45. Hydraulic Drive Pump Manifold MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 47...
  • Page 48 PSI. The PSI reading should be taken just prior to this sudden drop. If you do not read 1100 PSI, the accumulator may require charging or bladder replacement. Figure 47. Cleaning the Lubrication Box PAGE 48 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 49 LOCK NUT Figure 50. Unloading Valve Cartridge Adjustment 3. Turn the pump control switch (Figure 22) to the “ON” position and run engine at 2550 RPM. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 49...
  • Page 50 Think safety! Check the hydraulic gauges (Figure 29) on panel and make sure accumulator pressure reads zero. One piston should be in the fully discharged position at the end of the concrete cylinder. PAGE 50 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 51 To replace or reverse the plate, remove the five allen head counter sink bolts. Then remove the two cylinder “O” rings and clean the entire back surface. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 51...
  • Page 52 .001” to .010” end play. Lock the nut at this above to insure that the trailer is ready for towing. position. 4. Install the cotter pin and dust cap, and tighten all hardware. PAGE 52 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 53 NOTE PAGE MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 53...

  • Page 54: Hydraulic Hose Connections

    REMIXER MANIFOLD CONTROL FRONT OF MACHINE HEAT EXCHANGER HYDRAULIC DRIVE PUMP FRONT OF MACHINE NOTES HOSES SHADED FOR VISUAL CLARITY. Figure 53. Hydrauilc Hose Connections PAGE 54 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 55 ST-45 PUMP — HYDRAULIC HOSE CONNECTIONS Figure 53. Hydrauilc Hose Connections (Continued) MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 55...

  • Page 56: Hydraulic Hose Connections

    ST-45 PUMP — HYDRAULIC HOSE CONNECTIONS Figure 53. Hydrauilc Hose Connections (Continued) PAGE 56 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 57: Manifold Port Locations

    Figure 54 is provided to show the locations and names for the two manifold block ports on the ST-45 for reference when peforming maintenance on the pump. Figure 54. Manifold Ports MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 57...

  • Page 58: Appendix - Concrete Mix Information

    This mix designed for pumping NOTE: Due to the availability of well-graded sand as shown in the above sieve analysis, this mix pumped very successfully. PAGE 58 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 59 APPENDIX — ST-45 PUMP CONCRETE MIX INFORMATION A.S.T.M. STANDARD SPECIFICATION FOR GRADING AGGREGATE MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 59...

  • Page 60: Appendix - Slump Test Procedure

    . The slump operation must be complete in a maxi BULLET POINTED STEEL ROD Figure 41-F. Slump Test (Measurement) 1/3 FULL 1/2 DIAMETER FOOT 24 INCHES LONG PIECE Figure 41-A. Slump Test (1/3 Full) PAGE 60 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 61: Troubleshooting (Engine)

    . l a MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 61...

  • Page 62: Troubleshooting (Hydraulic System)

    PAGE 62 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 63: Troubleshooting (Electrical System)

    / r i r e t r o t . t i MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 63...

  • Page 64: Troubleshooting (Brake System)

    PAGE 64 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 65 NOTE PAGE MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 65...

  • Page 66: Explanation Of Code In Remarks Column

    NOTE one listed indicates newest (or latest) part available. NOTE The contents of this catalog are subject to change without notice . PAGE 66 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 67: Suggested Spare Parts

    1 ..EM98065 ....RUBBER RING Part numbers on this Suggested NOTE Spare Parts List may supercede or replace the P/N shown in the text pages of this book. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 67...

  • Page 68: Shotcrete System

    APPENDIX — ST-45 PUMP RECOMMENDED SHOTCRETE SYSTEM RECOMMENDED SHOTCRETE SYSTEM AIR COMPRESSOR (125 TO 250 CFM) 1/2 STANDARD AIR HOSE 3/4 STANDARD AIR HOSE Figure 39. Shotcrete System PAGE 68 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 69 ■ Use item #11 (steel elbow) at the edge of the pool to prevent collapse of the rubber hose, which can cause blockage. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 69...

  • Page 70: Shotcrete Accessories

    Disassemble and clean the nozzle assembly thoroughly after each job. Grease all threads before re-assembly. DO NOT close the air valve when pumping is stopped as a continued air flow keeps the air passages clean. PAGE 70 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 71 NOZZLE TIP, 1-3/8", SHORT EM23807 NOZZLE TIP, 1-1/4", LONG EM911076 STREET ELBOW AIR HOSE ............. NOT SUPPLIED BY MAYCO EM23808 NOZZLE ASSEMBLY ....1 ..... INCLUDES ITEMS W/ MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 71...

  • Page 72: Decal Placement

    ST-45 PUMP — DECAL PLACEMENT DECAL PLACEMENT PAGE 72 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 73 DECAL, CAUTION - REFER TO MANUAL EM97083 DECAL, WARNING - ACCUM. SAFETY DECAL, REMOTE OUTLET EM965 DECAL, VOLUME CONTROL DECAL, SHUTTLE TUBE DANGER EM1023 DECAL, MAYCO MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 73...

  • Page 74: Axle Assembly

    AXLE ASSY. ST-45 PUMP — AXLE ASSY. AXLE ASSY. PAGE 74 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 75 EM26519 LUG NUT, CHROME EM26520 CAP, 15” CHROME EM511418 FENDER RIGHT-SIDE EM513087 FENDER LEFT-SIDE 981635 BOLT, HHC 1/2- 13 X 3/4 6109180 WASHER LOCK 1/2" MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 75...

  • Page 76: Brakeline Assembly

    ST-45 PUMP — BRAKELINE ASSY. SUSPENSION FRENOS ASSY. BREAKLINE ASSY. PAGE 76 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 77 ST-45 PUMP — BRAKELINE ASSY. BREAKLINE ASSY. PART NO. PART NAME QTY. REMARKS LOCK WASHER EM16602 SURGE BRAKE ACTUATOR BOLT EM166021 ACTUATOR COVER EM16116 BRAKE LINE KIT MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 77...

  • Page 78: Hopper Assembly

    HOPPER ASSY. ST-45 PUMP — HOPPER ASSY. HOPPER ASSY. PAGE 78 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 79 LOCK WASHER 1/2” 506203 FITTING EM708601 PISTON CUP HOLDER EM50417 PISTON CUP EM708602 HANDLE 492378 BOLT 0166A LOCK WASHER 492465 ALLEN SCREW 512791 MOTOR COUPLING EM25483 HOSE MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 79...

  • Page 80: Hopper Attachment Assembly

    TANQUE TRANSMISIONHATZ 57HP ASSY. ST-45 PUMP — HOPPER ATTACHMENT ASSY. HOPPER ATTACHMENT ASSY. PAGE 80 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 81 NUT, HEX 3/4” 505123 BOLT 1/2” N/C X 2.1/2” EM968446 BOLT 1/2” N/C X 2.1/2” ........2 ..... REPLACES 492558 6109160 NUT, HEX 1/2” X 13 MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 81...

  • Page 82: Hopper Interior Assembly

    ST-45 PUMP — HOPPER INTERIOR ASSY. HOPPER INTERIOR ASSY. PAGE 82 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 83 BOLT, FLAT HEAD 5/8”- 11 X 3” EM295 BOLT, FLAT HEAD 3/4”- 10 X 2” EM264 BOLT, HEX SOC 1/2”- 13 X 3” EM16190 “O” RING MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 83...

  • Page 84: Shuttle Cylinder Assembly

    ST-45 PUMP — SHUTTLE CYLINDER ASSY. SHUTTLE CYLINDER ASSY. PAGE 84 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 85 CLEVIS PIN 3/4” ..........1 .... BOTTOM OF ITEM 36 EM717 COTTER PIN EM254541 FEMALE CLEVIS EM26126 CLEVIS PIN ............1 ..... TOP OF ITEM 36 MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 85...

  • Page 86: Fuel And Hydraulic Tank Assembly

    REAR HOOD ASSY ST-45 PUMP — FUEL AND HYDRAULIC TANK CONNECTIONS ASSY. FUEL AND HYDRAULIC TANK CONNECTIONS ASSY PAGE 86 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 87 WASHER LOCK 1/4” DIAMETER EM25217 FUEL FILLER CAP- BR 20426 90° FITTING 508827 HOSE, FUEL GAUGE EM20421 FITTING, BALL END CNTRL, CABLE 509517 HOSE 509516 HOSE MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 87...
  • Page 88 REAR HOOD ASSY. ST-45 PUMP — FUEL AND HYDRAULIC TANK ASSY. (CONTINUED) FUEL AND HYDRAULIC TANK ASSY. (CONTINUED) PAGE 88 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 89 ELBOW, 1- 1/4 PIPE/ 1- 1/4 JIC 510675 HOSE EM510676 ELBOW EM509371 HOSE 20426 FITTING 512769 HOSE, FUEL 506208 CLAMP, HOSE 20426 FITTING EM20763 FILTER, FUEL EM165121 RETURN FILTER ELEMENT MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 89...

  • Page 90: Front Cover Assembly

    ST-45 PUMP — FRONT COVER ASSY. FRONT COVER ASSY. FRONT COVER ASSY. PAGE 90 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 91 WASHER, FLAT 1/4” 2101402 WASHER, LOCK 1/4” DIAMETER EM510271 COVER, FRONT 29057 DOCUMENT BOX EM969079 NUT LOCK NYLON 1/4” 4384102 CAP, AIR INTAKE 510687 COVER, TOP MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 91...
  • Page 92 RADIATOR ASSY. ST-45 PUMP — HEAT EXCHANGER ASSY. HEAT EXCHANGER ASSY. PAGE 92 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 93: Heat Exchanger Assembly

    EM509401 ELBOW EM509400 HOSE EM98048 CLAMP EM492625 WASHER LOCK 7/16” EM509344 TEE, FITTING EM509345 FITTING EM509402 EM509378 HOSE, HYDRAULIC EM510984 HOSE, HYDRAULIC EM509374 HOSE, HYDRAULIC MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 93...

  • Page 94: Engine And Frame Assembly

    ENGINE AND FRAME ASSY ST-45 PUMP — ENGINE AND FRAME ASSY. ENGINE AND FRAME ASSY PAGE 94 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 95 JACK STAND, FRONT EM70186 JACK STAND, REAR EM745 EM744 CLEVIS PIN 1/2” X 4” EM20732 CONNECTOR EM942 TAG, IDENTIFICATION 491744 RIVET EM60701 HATZ DIESEL ENGINE 57HP MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 95...

  • Page 96: Throttle And Water Filter Assembly

    THROTTLE AND WATER FILTER ASSY. ST-45 PUMP — THROTTLE AND WATER FILTER ASSY. THROTTLE AND WATER FILTER ASSY. PAGE 96 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 97 M10 X 30MM SOC HDCS EM16747 FILTER ASSY, WATER SEPERATOR EM963003 BOLT 1/4” NC X 3/4” 2101402 WASHER, LOCK 1/4” DIAMETER EM20426 FITTING 506208 CLAMP 512790 HOSE, FUEL MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 97...

  • Page 98: Hydraulic Pump Assembly

    HYDRAULIC PUMP ASSY. ST-45 PUMP — HYDRAULIC PUMP ASSY. HYDRAULIC PUMP ASSY. PAGE 98 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 99 0166A WASHER, LOCK 3/8” DIAMETER EM25498 FITTING - ADAPTOR EM16524 FITTING, 90° 506195 FITTING, 90° 509637 HOSE 509370 HOSE 510984 HOSE 509374 HOSE 509371 HOSE MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 99...

  • Page 100: Lubrication Pistons Assembly

    LUBRICATION PISTONS ASSY. ST-45 PUMP — LUBRICATION PISTONS ASSY. LUBRICATION PISTONS ASSY. PAGE 100 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 101 WRAP TIE EM25497 FITTING, 90° EM491701 FITTING, GREASE 510515 CYLINDER, SLAVE EM25497 FITTING, 90° EM25474 HOSE, HYDRAULIC EM16454 PIN, WRIST 505723 PIN, COTTER EM509511 HOSE, HYDRAULIC MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 101...

  • Page 102: Electrical System Assembly

    SISTEMA ELECTRICO HATZ ASSY. ST-45 PUMP — ELECTRICAL SYSTEM ASSY. ELECTRICAL SYSTEM ASSY. PAGE 102 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 103 512806 CABLE, SOLENOID ........... 1 ..... WHITE 512807 CABLE, SOLENOID CONDUCTOR EM97025 CABLE, PROXIMITY SWITCH 508632 FUSE 25 AMPS 508238 BLOCK FUSE 505501 FUSE TERMINAL MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 103...

  • Page 104: Accumulator Assembly

    MANIFOLD ACUMULADOR ASSY. ST-45 PUMP — ACCUMULATOR ASSY. ACCUMULATOR ASSY. PAGE 104 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 105 BRACKET, ACCUMULATOR EM9603055 HHCS 3/8” DIAMETER 3019092 WASHER, FLAT 3/8” 0166A WASHER, LOCK 3/8” DIAMETER EM509425 FITTING EM509353 ELBOW EM98009 ACCUMULATOR REPAIR KIT 509372 HOSE, ACCUMULATOR MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 105...

  • Page 106: Manifold Assembly

    ST-45 PUMP — MANIFOLD ASSY. MANIFOLD ASSY. PAGE 106 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 107 SOCKET HEAD 3/8”-NCx2.5” EM196 SOCKET HEAD 1/4”-NCx2.25” EM508804 SOCKET HEAD 10-NCx2” EM97011 DIRECTIONAL CONTROL VALVE EM97002 PILOT VALVE EM97013 DIRECTIONAL CONTROL VALVE EM97008 CARTRIDGE, UNLOADING VALVE MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 107...

  • Page 108: Remixer Control Assembly

    ST-45 PUMP — REMIXER CONTROL ASSY. REMIXER CONTROL ASSY. PAGE 108 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 109 WASHER, LOCK 5/16” DIAMETER 492553 NUT, HEX 5/16” DIAMETER- NC EM25507 FITTING, 90° EM512655 ADAPTER 506195 FITTING, 90° EM25563 TEE, CUSTOM EM98012 ADAPTER GAUGE EM98015 COUPLING, TEST PORT MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 109...

  • Page 110: Battery Assembly

    ST-45 PUMP — BATTERY ASSY. BATTERY ASSY PAGE 110 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 111 NUT, HEX 1/4” X 20 EM923057 1/4” FLAT WASHER EM492622 1/4” LOCK WASHER EM25708 BATTERY HOLDER FRAME EM16707 CABLE, BATTERY NEGATIVE EM509105 CABLE, BATTERY POSITIVE EM16738 BATTERY MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 111...

  • Page 112: Lubrication Panel

    A ..........PIVOT BRACKET GREASE POINT ......... 41 in. (1.5 m) B ..........AXLE CRANK GREASE POINT ........34 in. (1.1 m) C..........SWING AXLE BUSHING GREASE POINT ...... 26 in. (.85 m) PAGE 112 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 113 ST-45 PUMP — LUBRICATION PANEL GREASE POINTS PART NO. PART NAME QTY. REMARKS EM491701 GREASE FITTING EM208812 CONNECTOIR EM510684 CONNECTOR EM510486 HOSE, PLASTIC EM510487 HOSE, PLASTIC HOSE, STEEL MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 113...

  • Page 114: Taillight Assembly

    TAILLIGHT ASSY ST-45 PUMP — TAILLIGHT ASSY. TAILLIGHT ASSY. PAGE 114 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 115 EM265361 TAIL LIGHT BRACKET 492364 SCREW, HHC 5/16” X 18- 1 EM923343 5/16” LOCK WASHER 492553 NUT, HEX 5/16” EM256072 SOCKET, FEMALE EM256071 PLUG, MALE MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 115...

  • Page 116: Control Box Interior Door Assembly

    ST-45 PUMP — CONTROL BOX INTERIOR DOOR ASSY. CONTROL BOX INTERIOR DOOR ASSY. PAGE 116 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 117 SOLENOID, 12 VOLT EM97078 FUSE, 15 AMP EM98001 DIODE, 6 AMP EM98002 DIODE EM40711 SWITCH, EMERGENCY CYCLE CONNECTOR EM97068 REMOTE CONTROL RECEPTACLE EM97049 BASE, SOCKET MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 117...

  • Page 118: Control Box Mounting Assembly

    ST-45 PUMP — CONTROL BOX MOUNTING ASSY. CONTROL BOX MOUNTING ASSY. PAGE 118 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 119 492366 SCREW HHC 5/16-18x1-1/2 EM510703 SHOCK MOUNT 2105164 NUT 3/8 IN. REPLACES 492582 EM503112 BOLT HHC 3/8-16x2-3/4 3019092 FLAT WASHER REPLACES 492598 EM969013 REPLACES 492583 MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 119...

  • Page 120: Control Box Assembly

    ST-45 PUMP — CONTROL BOX ASSY. CONTROL BOX ASSY. PAGE 120 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)
  • Page 121 DIRECTIONAL CONTROL SWITCH EM97036 PUMP CONTROL SWITCH EM97045 OPERATION PUMP/ENGINE SWITCH EM97032 SWITCH, FAN CONTROL, TEST FUNCTION EM97073 CONTROL BOX ASSY, COMPLETE EM98039 PANEL, FACE MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 121...

  • Page 122: Control Box Door Wiring Diagram

    ST-45 PUMP — CONTROL BOX DOOR WIRING DIAGRAM PAGE 122 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 123: Control Box Interior Wiring Diagram

    ST-45 PUMP — CONTROL BOX INTERIOR WIRING DIAGRAM MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 123...

  • Page 124: Terminal Block Wiring Diagram

    ST-45 PUMP — TERMINAL BLOCK WIRING DIAGRAM PAGE 124 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 125: Control Box Electrical Schematic

    BLK 42 TB1-29 BLK 34 WHT = 12 VDC GROUND (GND) BLK = ALL OTHERS TB2-5 BLK 32 PROX SW WHT 0 SHEET 1 OF 2 MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 125...

  • Page 126: Control Box Electrical Schematic

    BLK 57 BLK 50 BLK 41 TB2-9 (REFER TO LOCATION B7) TB2-10 REMOTE CONTROL BLK 49 GRN 56 PUMP BLK 48 SHEET 2 OF 2 PAGE 126 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 127: Interconnect Hydraulic Control Box

    3. GROUND WIRE SUPPLIED WITH CONTROL PANEL. CONNECTION MADE INSIDE PANEL TO MOUNTING HARDWARE. SCAPE PAINT TO ENSURE GROUND INTEGRITY. HYD LINE FROM HYD LINE FROM PUMP PRESS ACCUM PRESS MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 127...

  • Page 128: Hydraulic Diagram

    ST-45 — HYDRAULIC DIAGRAM i r c i t p y t i & PAGE 128 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 129: Optional Radio Control

    ST-45 — OPTIONAL RADIO CONTROL MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 129...

  • Page 130: Terms And Conditions Of Sale - Parts

    Freight is at the sender’s expense. All that date will be billed at the revised price. parts must be returned freight prepaid to Multiquip’s designated receiving point. PAGE 130 — MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04)

  • Page 131: Mayco Pump Warranty

    OR PART TO OPERATE PROPERLY, INCLUDING ANY WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. PARTICULAR PURPOSE. MAYCO ST-45HRM PUMP — OPERATION & PARTS MANUAL — REV. #4 (07/16/04) — PAGE 131...
  • Page 132 800-421-1244 310-537-3700 TECHNICAL ASSISTANCE 800-478-1244 FAX: 310-631-5032 WARRANTY DEPARTMENT 800-421-1244, EXT. 279 FAX: 310-537-1173 310-537-3700, EXT. 279 Your Local Dealer is: MULTIQUIP INC..18910 WILMINGTON AVE. CARSON, CALIFORNIA 90746 800-421-1244 • 310-537-3700 FAX: 310-537-3927 E-mail:mq@multiquip.com Internet:multiquip.com...

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