MULTIQUIP MAYCO LS300GK Operation Manual
  1. Manuals
  2. Brands
  3. MULTIQUIP Manuals
  4. Water Pump
  5. MAYCO LS300GK
  6. Operation manual

MULTIQUIP MAYCO LS300GK Operation Manual

Concrete pump
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
OPERATION MANUAL
SERIES
MODEL LS300GK
CONCRETE PUMP
(KUBOTA WG3800-G-E3 GASOLINE ENGINE)
Revision #1 (10/14/22)
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 LS300GK

Summary of Contents for MULTIQUIP MAYCO LS300GK

  • Page 1 OPERATION MANUAL SERIES MODEL LS300GK CONCRETE PUMP (KUBOTA WG3800-G-E3 GASOLINE ENGINE) Revision #1 (10/14/22) 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)

  • Page 3: Silicosis/Respiratory Warnings

    NIOSH/MSHA for the materials being used. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 3...

  • Page 4: Table Of Contents

    Hydraulic System Diagram ........89 Electrical System Locator Diagram ....... 90 Electrical System Diagram 1 ......... 91 Electrical System Diagram 2 ......... 92 Electrical System Diagram 3 ......... 93 PAGE 4 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 5 NOTES MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 7...
  • Page 8 Multiquip for this equipment. Damage to the equipment to the engine or equipment can result and or injury to user may result. if operating in speed ranges above the maximum allowable. PAGE 8 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 9...
  • Page 10 Also check the tire tread wear on both vehicles.  ALWAYS make sure the trailer is equipped with a safety chain.  ALWAYS properly attach the trailer’s safety chains to the towing vehicle. PAGE 10 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 11 Recyclers and manufacturers alike promote the process of recycling metal. Using a metal recycling center promotes energy cost savings. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 11...

  • Page 12: Specifications

    635 lb. (288 kg) Dimensions L × W × H 27.6 in. × 22.8 in. × 31.5 in. (700 mm × 579 mm × 799 mm) PAGE 12 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)

  • Page 13: Dimensions

    DIMENSIONS Table 1. Pump Dimensions Reference Dimensions Letter in. (mm) 158 (4,013) 44.0 (1,118) 75.5 (1,917) 21.5 (546) 63.5 (1,613) Figure 1. Dimensions MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — 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. Operational Hand Signals PAGE 14 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)

  • 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 15...
  • Page 16 Before starting the pumping job, ask the driver of the ready-mix truck to see the concrete ticket, then note the admixtures that exist and take the proper action. PAGE 16 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 17 To avoid this, a long radius of 90-degree elbow is recommended. The recommended place to tie off is on the hose, under the clamp. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 19 Increased pressure will only compound during operation. The clamps are under pressure. Opening the problem. the clamps during operation could allow high-pressure material to escape and cause severe bodily harm. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 19...
  • Page 20 8. Flush the shuttle tube with water. 9. Before resuming operation of the pump, perform the above Reverse Pumping Procedure to relieve pressure on the shuttle tubes. PAGE 20 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 21 B, causing it to start a suction stroke, refilling it with concrete. The 2-cycle pumping sequence then repeats for the duration of the operation. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 21...

  • Page 22: Pump Components

    PUMP COMPONENTS Figure 5. Pump Components PAGE 22 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 23 9. Control Box — Contains the electrical components allowing it to flow back into the reservoir. required to run the pump. See Control Box Components section for component callouts. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 23...
  • Page 24 PUMP COMPONENTS Figure 6. Pump Components (Continued) PAGE 24 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 25 Use Lithium-based EP, Texaco Multifak 20 or until it clicks. Lubriplate EP-2 grease. 28. Fuel Tank — Holds 16 gallons (61 liters) of unleaded gasoline. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 25...

  • Page 26: Digital Control Panel Components

    14. Main Pressure Gauge — Monitors the system pressure while pumping material. The maximum pressure rating is 3,100–3,200 psi. PAGE 26 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 27...

  • Page 28: Engine Components

    2.5 kW (3.4 hp) starter motor with solenoid. 5. Engine Fuse Holder — Location of engine fuses. 6. Oil Filler Port/Cap — Remove this cap to add engine oil to the crankcase. PAGE 28 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)

  • Page 29: Inspection

    DO NOT smoke while refueling. DO NOT attempt to refuel the pump Figure 10. Adding Fuel while the engine is hot or running. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 29...
  • Page 30 (Figure 12). Use Shell Tellus 46 hydraulic fluid. or higher grade motor oil. Table 2. Engine Oil Selection Chart FILLER OIL: SAE HOLE Figure 13. Adding Hydraulic Oil (Filler Hole) PAGE 30 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 31 OFF and the negative battery terminal disconnected. ENGINE AIR CLEANER Periodic cleaning/replacement of the engine air cleaner is necessary. Inspect the air cleaner as described in the Maintenance section of this manual. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 31...

  • Page 32: Setup

    2. Remove the cotter pin (Figure 17) from the handle T-bolt eye, then pull the handle T-bolt to release the stabilizer jack. ADJUSTMENT TUBE COTTER HANDLE BOLT T-BOLT Figure 17. Rear Stabilizer Jack PAGE 32 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)

  • Page 33: Operation

    In warm weather let the engine warm up for 5 minutes. In cold weather, let the engine warm up for 10 minutes. Figure 21. Pumping Control Switch (OFF Position) MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 33...
  • Page 34 (volume) of the pump. hopper at this time. 5. Place the Direction Control switch in the FORWARD position. This will start the flow of the slurry to the hoses. PAGE 34 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 35 Immediately place the Pumping Control switch in the CENTER OFF position. Refer to Clearing Concrete Blockage in the General Information section of this manual. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 35...
  • Page 36 Figure 33. Remote Antenna Installation 6. Connect the antenna cable to the connector on the Figure 31. Remove Control Panel rear of the control box (Figure 33). PAGE 36 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 37 „ PUMP ON/OFF – Starts and stops forward pumping. When the pump is ON the LED illuminates (latched) solid red. „ PUMP REV – Momentarily reverses pumping direction. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 39 NOTES MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 39...

  • Page 40: Maintenance

    If you do not have the proper tools and/or are not mechanically proficient, contact your local KUBOTA dealer. No adjustment is needed on the models equipped with HLA (hydraulic lash adjuster). PAGE 40 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 41 Clean Entire Unit, Inside and Outside Check Brake Lights Check Tire Conditions Trailer Inspect Safety Devices and Decals Check Wheel Bearings 6 Months Inspect Brake Lining 6 Months MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 41...
  • Page 42 CAUTION ALWAYS allow the engine to cool before servicing. NEVER attempt any maintenance work on a hot engine. PAGE 42 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 43 8. Reinstall the air cleaner dust pan and secure the Table 4. Oil Selection Chart latches. OIL: SAE NOTICE DO NOT run the engine with the air cleaner removed or without an element. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 43...
  • Page 44 4. After the oil is sufficiently drained, reinstall the O-ring several minutes. Top off the oil to the upper limit on and drain bolt and securely tighten the drain bolt. the dipstick. PAGE 44 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 45 120°F (50°C). CORRECT °F °F WATER TEMP WATER TEMP FULL PRESSURE Figure 42. Radiator Pressure Cap Removal Figure 44. Coolant Reserve Tank MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 45...
  • Page 46 (Figure 45) with 28 psi (193 kPa) or less of compressed air. Be careful to not damage the fins with the compressed air. Figure 45. Radiator Cleaning PAGE 46 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 47 „ ALWAYS check the battery for cracks or any other damage. If a white pattern appears inside the battery or paste has accumulated at the bottom, replace the battery. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 47...
  • Page 48 Place a DO NOT OPERATE tag over the ignition switch and disconnect the battery. The pressure reading on the pressure gauge MUST read zero before maintenance work or blockage removal is begun. PAGE 48 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 49 DO NOT mix hydraulic oil brands! This may impair lithium-based EP, Texaco Multifak 20, or Lubriplate quality. ED-2 type grease. NOTICE It is always best to grease fittings before and after use. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 49...
  • Page 50 LEAKING 4. When the box is clean, replace the drain plug, add new Figure 51. Wear Plate And Cutting Ring lubrication, and reinstall the top cover. PAGE 50 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 51 3. Install the wear plate and the five bolts. Torque all five bolts to 100 lbf·ft each. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 51...
  • Page 52 One piston should be in the fully discharged position at the end of the concrete cylinder. 7. Remove the three 3/8-16 × 3" bolts from the piston. Remove the front faceplate. PAGE 52 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 53 6. After extended storage, refer to the Maintenance steps listed above to ensure that the trailer is ready for towing. Figure 54. Manual Cylinder Jogging Switch MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 53...

  • Page 54: Trailer Maintenance

    5. Rotate the starwheel in the opposite direction until the wheel turns freely with a slight drag. 6. Replace the adjusting hole cover. PAGE 54 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 55 Pay close attention to bolt length and grade. SPINDLE ALWAYS use the manufacturer’s recommended parts WASHER SPINDLE when replacing channel mounting hardware. Figure 59. Wheel Hub Components MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 55...
  • Page 56 (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 56 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)

  • Page 57: 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 57...
  • Page 58 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 58 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 59 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 59...
  • Page 60 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 60 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 61 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 61...
  • Page 62  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 62 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 63 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 63...
  • Page 64 PAGE 64 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 65 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 65...
  • Page 66 Tighten lug nuts before each tow. PAGE 66 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 67 VIN (Certifi cation) label at the left front of the trailer  Improve fuel economy. (See Figure I).  Increase the tire life. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 67...
  • Page 68 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 68 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 69 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 69...
  • Page 70 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 70 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 71 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 71...

  • Page 72: 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 72 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 73 APPENDIX — CONCRETE MIX INFORMATION A.S.T.M. STANDARD SPECIFICATION FOR GRADING AGGREGATE MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 73...
  • Page 74 Distribute rodding evenly over the entire cross section of this layer. Figure S. Slump Test (Measurement) PAGE 74 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)

  • Page 75: Troubleshooting (Pump)

    Check the charge on the battery. digital display, causing engine not to Check wiring connections and verify start. Wiring connection inside control box? power is reaching ignition switch. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 75...
  • Page 76 Inspect cylinder. Check values for cylinder rod side? contamination or faulty spring. Cylinders are not completely extended (short stroke). Hydraulic cylinder piston head seals Replace seals. leaking? PAGE 76 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)

  • Page 77: Troubleshooting (Engine)

    Speed control switch does not remain in See engine manual for corrective action. selected position? Engine oil level too full? Correct engine oil level. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 77...
  • Page 78 Battery failure? Check battery condition. Faulty alternator? Contact your nearest MQ service center. For additional information, refer to the Kubota engine owner’s manual diagnostic troubleshooting section. PAGE 78 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)

  • Page 79: Troubleshooting (Hydraulic Brakes)

    Breakaway cable system partially on cable until indicator bead touches activated? or rests against cable spring stop. This will fully release the frame brakes and prevent drag. MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 79...

  • Page 80: Troubleshooting (Electrical)

    Check screen #5 for operational status. • Misaligned hopper Proximity switch D Shuttle cylinder short stroking not energizing • Discharge nipple seizing proximity sensor? • Hopper outlet requires lubrication PAGE 80 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 81 Wire connection is directly shorted to ground? Correct connection. Defective alternator? Replace alternator. Check V-belt. Alternator Failure Engine blower cooling fan V-belt is broken Replace V-belt. requiring replacement? MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 81...

  • Page 82: Troubleshooting (Diagnostics)

    Once the active fault is corrected, after starting and stopping the engine three times the fault will clear on the fourth start. Historic faults will disappear after the 20th start. PAGE 82 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 83 TROUBLESHOOTING (DIAGNOSTICS) Table 8. Fault Codes MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 83...
  • Page 84 TROUBLESHOOTING (DIAGNOSTICS) Table 9. Fault Codes (Continued) PAGE 84 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 85 TROUBLESHOOTING (DIAGNOSTICS) Table 10. Fault Codes (Continued) MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 85...
  • Page 86 Higher than Expected stage Intake Air Temperature Knock Manifold Absolute Pressure re-syncs re-synchronize Root Mean Square Revolutions Per Minute Suspect Parameter Number Throttle Position Sensor Torque Speed Control PAGE 86 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)
  • Page 87 (key-on/off). Note: It is recommended that this feature only be used for general sensor faults (high or low voltage) and some output drivers. Figure 61. Kubota WG3800 Power Derate 1 & 2 Graph MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 87...

  • Page 88: Hydraulic System Locator Diagram

    HYDRAULIC SYSTEM LOCATOR DIAGRAM PAGE 88 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)

  • Page 89: Hydraulic System Diagram

    HYDRAULIC SYSTEM DIAGRAM MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 89...

  • Page 90: Electrical System Locator Diagram

    ELECTRICAL SYSTEM LOCATOR DIAGRAM PAGE 90 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)

  • Page 91: 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 LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 91...

  • Page 92: Electrical System Diagram 2

    MALFUNCTION LAMP S R P N M L K J CAN BUS (-) OUTSIDE INSIDE FRONT VIEW ENGINE CAN BUS (+) CONTROL CONTROL CONNECTOR (16 PIN FEMALE) PAGE 92 — MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22)

  • Page 93: Electrical System Diagram 3

    18 AWG YEL 18 AWG YEL 18 AWG RED DISPLAY INSIDE OUTSIDE BOARD CONTROL CONTROL +12 VDC J2 MALE INTERFACE GROUND OUTSIDE INSIDE CONNECTOR CONTROL CONTROL MAYCO LS300GK CONCRETE PUMP • OPERATION MANUAL — REV. #1 (10/14/22) — PAGE 93...
  • Page 94 © COPYRIGHT 2022, 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.

This manual is also suitable for:

Mayco series

Table of Contents