MULTIQUIP MAYCO LS300G Operation Manual
  1. Manuals
  2. Brands
  3. MULTIQUIP Manuals
  4. Water Pump
  5. MAYCO LS300G
  6. Operation manual

MULTIQUIP MAYCO LS300G Operation Manual

Concrete pump
Hide thumbs Also See for MAYCO LS300G:
Table of Contents

Advertisement

Quick Links

Download this manual
OPERATION MANUAL
SERIES
MODEL LS300G
CONCRETE PUMP
(ZENITH Z428 GASOLINE ENGINE)
Revision #2 (09/09/19)
To find the latest revision of this publication or
associated parts manual, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

Advertisement

Table of Contents
loading

Related Manuals for MULTIQUIP MAYCO LS300G

Summary of Contents for MULTIQUIP MAYCO LS300G

  • Page 1 OPERATION MANUAL SERIES MODEL LS300G CONCRETE PUMP (ZENITH Z428 GASOLINE ENGINE) Revision #2 (09/09/19) To find the latest revision of this publication or associated parts manual, visit our website at: www.multiquip.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

  • Page 2: Proposition 65 Warning

    PROPOSITION 65 WARNING PAGE 2 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)

  • Page 3: Silicosis/Respiratory Warnings

    NIOSH/MSHA for the materials being used. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 3...

  • Page 4: Table Of Contents

    Troubleshooting (Diagnostics) ......81–83 Hydraulic System Locator Diagram ....... 84 Hydraulic System Diagram ........85 Electrical System Locator Diagram ....... 86 Electrical System Diagram ......87–89 PAGE 4 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 5 NOTES MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 5...

  • Page 6: Safety Information

    COULD result in MINOR or MODERATE INJURY. Accidental Starting Hazards NOTICE Addresses practices not related to personal injury. Pressure Hazards Hydraulic Fluid Hazards Rotating Parts Hazards PAGE 6 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 7 Also, know the phone numbers of the nearest ambulance, doctor and fi re department. This information will be invaluable in the case of an emergency. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 7...
  • Page 8 Allow these parts to cool of this test is to shut down the engine in the event of an before servicing equipment. emergency. PAGE 8 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 9  ALWAYS disconnect the NEGATIVE battery terminal before performing service on the equipment.  ALWAYS keep battery cables in good working condition. Repair or replace all worn cables. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 9...
  • Page 10 “gross vehicle weight rating.”  ALWAYS inspect the hitch and coupling for wear. NEVER tow a trailer with defective hitches, couplings, chains, etc. PAGE 10 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 11 Recyclers and manufacturers alike promote the process of recycling metal. Using a metal recycling center promotes energy cost savings. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 11...

  • Page 12: Specifications

    12V BCI Group 24 Weight Dry 337 lb. (153 kg) Dimensions L × W × H in. (mm) 24.5 × 21.9 × 26.5 (622 × 556 × 673) PAGE 12 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)

  • Page 13: Dimensions

    DIMENSIONS Table 3. Pump Dimensions Reference Dimensions in. (mm) Letter 158 (4,013.2) 44 (1,117.6) 64 (1,615.5) 21.5 (546.1) 63.5 (1,612.9) Figure 1. Dimensions MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 13...

  • Page 14: Important Hand Signals

    SPEED UP DOWN ADD WATER ALL DONE STOP PUMP LITTLE BIT CLEAN-UP 4-GALLONS PULL FORWARD BACK IN DRIVE IN BACK UP Figure 2. Operation Hand Signals PAGE 14 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)

  • Page 15: General Information

    2. By pumping harsh undersanded concrete with poorly graded aggregates which can jam together when the pressure becomes too great for the insufficient amount of sand to hold the aggregates apart. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 15...
  • Page 16 Before starting the pumping job, ask the driver of the redi-mix truck to see the concrete ticket and note the admixtures that exist and take the proper action. PAGE 16 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 17 To avoid this, a long radius of 90° elbow is recommended. The suggested place to tie off is on the hose, under the clamp. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 17...
  • Page 18 If waiting time is excessive, it would be wise to wash out the pump and hoses and start over when the new truck arrives. PAGE 18 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 19 DO NOT increase the engine speed to material to escape and cause severe bodily harm. clear the blockage. Increasing the engine speed will only compound the problem. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 19...
  • Page 20 4. Carefully knock the end of the hose away from the and bearing assembly. reducer. NOTICE Leaking manifold seals or hose coupling gaskets which leak water can cause separation and subsequent jamming at that point. PAGE 20 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 21 Figure 3. Pumping Cycle 1 causing it to start a suction stroke, refilling it with concrete. The pumping sequence then repeats for the duration of the operation. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 21...

  • Page 22: Pump Components

    PUMP COMPONENTS Figure 5. Pump Components PAGE 22 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 23 10. Inline Fuel Filter — Replace or clean fuel filter as hydraulic system into the heat exchanger before specified in the Maintenance section of this manual. allowing it to flow back into the reservoir. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 23...
  • Page 24 PUMP COMPONENTS (CONTINUED) Figure 6. Pump Components (Cont.) PAGE 24 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 25 Wipe up any spilled fuel immediately. nipple. Use Lithium-based EP, Texaco Multifak 20 or 30. Fuel Tank — Holds 16 gallons (61 liters) of unleaded Lubriplate EP-2 grease. gasoline. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 25...

  • Page 26: Digital Control Panel Components

    6. Cylinder Stroke Control Switch — This 2-position switch controls the pumping function. The leftmost position (AUTOMATIC) sets the pump to automatic cycling. Set the switch to this position for normal pump operation. PAGE 26 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 27 Displays engine fault codes (SPN/FMI). COUNT OF NO. OF STROKES STROKE CTR: 0000 READ EVEN PRESS RESET TO NUMBER ONLY ZERO STROKE CTR MESSAGE OR INFORMATION MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 27...

  • Page 28: Engine Components

    4. Alternator — Provides power to the electrical system. engine crankcase. Replace with only manufacturer’s recommended replacement parts. 5. Oil Pan — Holds a maximum of 4 quarts (3.8 liters) of engine oil. PAGE 28 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)

  • Page 29: Inspection

    DO NOT smoke while refueling. DO NOT attempt to refuel the pump if the engine is hot or running. Figure 10. Adding Fuel MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 29...
  • Page 30 DO NOT overfill. 5. The oil listed in Table 4 is recommended to ensure better engine performance. Use class CD or higher grade motor oil. PAGE 30 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 31 Maintenance section. COVER 0.4~0.6 IN. (10~15MM) DEFLECTION Figure 16. Fan Belt Tension Figure 15. Filling the Lubrication Box MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 31...

  • Page 32: Setup

    2. Remove the cotter pin (Figure 18) from the handle tee bolt eye, and then pull the handle tee to release the stabilizer jack. ADJUSTMENT TUBE COTTER HANDLE BOLT T-BOLT Figure 18. Rear Stabilizer Jack PAGE 32 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)

  • Page 33: Operation

    In warm weather let engine warm up for 5 minutes. In cold weather, let engine warm up for Figure 22. Pumping Control Switch (OFF) 10 minutes. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 33...
  • Page 34 (volume) of the pump. 5. Place the direction control switch in the FORWARD position. This will start the flow of the slurry to the hoses. PAGE 34 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 35 If the pumping operation suddenly stops with no concrete discharging from the hose, a blockage may have occurred. Immediately place the switch in the “OFF” position. Refer to Clearing Concrete Blockage Section. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 35...
  • Page 36 Figure 34. Antenna Installation UNIT 6. Connect the antenna cable to the connector on the rear (Figure 34) of the control box. Figure 32. Pulling Out Control Panel PAGE 36 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 37 „ E-STOP – Turns off the pump completely in an emergency. „ PUMP ON/OFF – Starts and stops the forward pumping. „ PUMP REV – Momentarily pumps in reverse direction. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 37...
  • Page 38 (volume) to the desired strokes per minute. 4. Once the desired pumping rate has been achieved, place the pumping control switch in the REMOTE position. PAGE 38 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)

  • Page 39: Maintenance

    If blowby hose needs to be replaced, ensure that the slope of the blowby hose is at least 1/2 inch per foot, with no sags or dips that could collect moisture and/or oil. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 39...
  • Page 40 CAUTION ALWAYS allow the engine to cool before servicing. NEVER attempt any maintenance work on a hot engine. PAGE 40 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 41 9. Reinstall the air cleaner dust pan and secure the latches. NOTICE DO NOT run the engine with the air cleaner removed or without an element. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 41...
  • Page 42 6. Run the engine for several minutes. Watch for oil leakage. Shut the engine down and allow it to sit for several minutes. Top off the oil to the upper limit on the dipstick. PAGE 42 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 43 1. Remove the radiator pressure cap (Figure 43) only if the coolant temperature is below 120°F (50°C). FILL 1-INCH FROM TOP Figure 45. Coolant Reserve Tank MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 43...
  • Page 44 6. If there is a large amount of contamination on the fins, COVER use detergent to clean and rinse thoroughly with tap BROKEN water. MISSING RUBBER CRACKS SIDEWALL WEAR Figure 48. Drive Belt Inspection PAGE 44 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 45 „ NEVER attempt to charge a battery that is frozen. The battery can explode unless first allowed to thaw. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 45...
  • Page 46 It is always best to grease fittings before and after use. drum. Run the pump at 6 strokes per minute maximum speed. PAGE 46 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 47 4. When the box is clean, replace drain plug, add new lubrication and install the top cover. COVER DRAIN PLUG Figure 51. Cleaning the Lubrication Box MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 47...
  • Page 48 Place a DO NOT OPERATE tag over the switch and GOOD SEAL LEAKING disconnect the battery. The pressure reading on the Figure 52. Wear Plate and Cutting Ring pressure gauge MUST read zero. PAGE 48 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 49 Install over alignment studs and 8. Inspect the wear components for indications of wear. into concrete cylinders. The wear plate has two wear surfaces. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 49...
  • Page 50 NEVER store the pump with fuel in the tank for any extended period of time. ALWAYS clean up spilled fuel immediately. Figure 53. Cylinder Stroke Control Switch (JOG) PAGE 50 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 51 5. Make sure breakaway cable is fully released. 6. After extended storage, refer to the Maintenance steps listed above to ensure that the trailer is ready for towing. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 51...

  • Page 52: Trailer Maintenance

    5. Rotate the starwheel in the opposite direction until the wheel turns freely with a slight drag. Figure 57. Hydraulic Brake Actuator 6. Replace the adjusting-hole cover. PAGE 52 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 53 Pay close attention to bolt length and grade. ALWAYS use manufacturer’s recommended parts SPINDLE when replacing channel mounting hardware. WASHER SPINDLE Figure 59. Wheel Hub Components MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 53...
  • Page 54 (e.g. springs, torsion bars). Place jacks and jack stands inside of the perimeter strip on the supporting structure to which the axles are attached. PAGE 54 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)

  • Page 55: Trailer Guidelines

     Allow plenty of room for passing. A rule of thumb is that • Tires are not visibly low on pressure. the passing distance with a trailer is 4 times the passing distance without the trailer. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 55...
  • Page 56 Be sure your hitch and tow vehicle are rated for the The trailer VIN tag contains the critical safetyinformation Gross Vehicle Weight Rating of your trailer. PAGE 56 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 57 Also, before you start towing, adjust the mirrors so you can see the trailer as well as the area to the rear of it. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 57...
  • Page 58 ELECTRICAL CONNECTOR An Electrical Connector connects the light and brake systems on the trailer to the light and brake controls on the towing vehicle. PAGE 58 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 59 Also, the ball size must be the same as the coupler size. If the hitch ball is too small, too large, is underrated, is loose MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 59...
  • Page 60  Raise the jackstand to a height where it will not interfere  The bottom surface of the coupler must be above the top with the road. of the hitch ball. Use the tongue jackstand to support PAGE 60 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 61 Replace the breakaway brake battery (if equipped) at enough slack to permit turning and to hold tongue intervals specifi ed by manufacturer. up, if the trailer comes loose. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 61...
  • Page 62 PAGE 62 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 63 Wood or concrete blocks by the hitch. may also be used.  Raise the jackstand to a height where it will not interfere with the road. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 63...
  • Page 64 Tighten lug nuts before each tow. PAGE 64 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 65 VIN (Certifi cation) label at the left front of the trailer  Improve fuel economy. (See Figure I).  Increase the tire life. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 65...
  • Page 66 You may not fi nd this information on all tires because it is put in the tire under normal driving conditions. not required by law. PAGE 66 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 67 Max. Load Single kg (lbs) at kPa (psi) Cold: This a damaged tire before towing the trailer. information indicates the maximum load and tire pressure when the tire is used as a single. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 67...
  • Page 68 Most trailer axles are built with sealed bearings that are not serviceable. Sealed bearings must be replaced as complete units. Figure L. Wheel Lug Nuts Tightening Sequence PAGE 68 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 69 Lights and Signals Before each tow, check the trailer taillights, stoplights, turn signals and any clearance lights for proper operation. Figure M. Trailer to Tow Vehicle Wiring Diagram MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 69...

  • Page 70: Appendix - Concrete Mix Information

    This mix is 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 70 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 71 APPENDIX — CONCRETE MIX INFORMATION A.S.T.M. STANDARD SPECIFICATION FOR GRADING AGGREGATE MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 71...
  • Page 72 Distribute rodding evenly over the entire cross section of this layer. Figure S. Slump Test (Measurement) PAGE 72 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 73 NOTES MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 73...

  • Page 74: Troubleshooting (Pump)

    Check the charge on the battery causing engine not to start Wiring connection inside Control Check the wiring connections and verify power Box? is reaching ignition switch PAGE 74 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 75 Inspect cylinder. Check values for cylinder rod side contamination or faulty spring Cylinders not completely extended (short stroke) Hydraulic cylinder piston head seals Replace seals leaking MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 75...

  • Page 76: Troubleshooting (Engine)

    Low engine power, output and speed. Speed control switch does not remain in See engine manual for corrective action. selected position? Engine oil level too full? Correct engine oil level. PAGE 76 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 77 V-belt loose or damaged? Adjust or replace V-belt. Battery indicator display turns on. Battery Failure? Check battery condition. Faulty Alternator? Contact your nearest MQ service center. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 77...

  • Page 78: Troubleshooting (Hydraulic Brakes)

    Break-away cable system partially cable until indicator bead touches or rests activated against cable spring stop. This will fully release the frame brakes and prevent drag. PAGE 78 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)

  • Page 79: Troubleshooting (Electrical)

    Check screen #5 for operational status. • Misaligned hopper Proximity switch D Shuttle cylinder short stroking not • Discharge nipple seizing energizing proximity sensor. • Hopper outlet requires lubrication MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 79...
  • Page 80 Wire connection is directly shorted to Correct connection. ground. Defective alternator. Replace alternator. Check V-belt Alternator Failure Engine blower cooling fan V-belt is Replace V-belt. broken requiring replacement. PAGE 80 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)

  • Page 81: Troubleshooting (Diagnostics)

    The ECM will automatically clear a fault code from its memory if the engine completes 2 consecutive start-run-stop cycles without the fault recurring. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 81...
  • Page 82 Electronic throttle control performance P0642 5V Reference #1 (pin 9) voltage low P0650 Malfunction Indicator Lamp Control open P0655 Engine Protection Lamp fault P0681 Customer Auxiliary Shutdown #1 PAGE 82 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 83 Ignition coil B secondary open 1269 P02306 Ignition coil C low current 1270 P02307 Ignition coil C high current 1270 P02308 Ignition coil C secondary open 1270 MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 83...

  • Page 84: Hydraulic System Locator Diagram

    HYDRAULIC SYSTEM LOCATOR DIAGRAM PAGE 84 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)

  • Page 85: Hydraulic System Diagram

    HYDRAULIC SYSTEM DIAGRAM MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 85...

  • Page 86: Electrical System Locator Diagram

    ELECTRICAL SYSTEM LOCATOR DIAGRAM PAGE 86 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)

  • Page 87: Electrical System Diagram 1

    BLUE BLUE BLUE PURPLE PURPLE PURPLE GREEN GREEN GREEN RESET VOLUME (+) NOTE: REFERENCE DISPLAY CARRIER BOARD PURPLE WIRE (COMMON) CONNECTED TO +12 VDC POWER BUS. MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 87...
  • Page 88 CAN BUS (+) CAN BUS (+) BLUE/PINK 14 AWG RED TO CONTROLLER CAN BUS (-) CAN BUS (-) BLUE/WHITE 14 AWG BLK TWISTED PAIR OUTSIDE INSIDE CONTROL CONTROL PAGE 88 — MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19)
  • Page 89 18 AWG BLK SWITCH 18 AWG WHT 18 AWG WHT MAIN 18 AWG YEL SOLENOID 18 AWG YEL SWING A INSIDE OUTSIDE CONTROL CONTROL J2 MALE INTERFACE CONNECTOR MAYCO LS300G CONCRETE PUMP • OPERATION MANUAL — REV. #2 (09/09/19) — PAGE 89...
  • Page 90 © COPYRIGHT 2019, MULTIQUIP INC. Multiquip Inc , the MQ 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 their respective owners and used with permission.

Table of Contents