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MULTIQUIP LD6 Operation Manual

Ride-on power trowel (b&s vanguard 23 hp gasoline engine)
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OPERATION MANUAL
SERIES
MODEL LD6
RIDE-ON POWER TROWEL
(B&S VANGUARD 23 HP GASOLINE ENGINE)
Revision #0 (02/10/20)
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.
PN: 45640

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Summary of Contents for MULTIQUIP LD6

  • Page 1 OPERATION MANUAL SERIES MODEL LD6 RIDE-ON POWER TROWEL (B&S VANGUARD 23 HP GASOLINE ENGINE) Revision #0 (02/10/20) 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 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 3: Silicosis/Respiratory Warnings

    NIOSH/MSHA for the materials being used. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 3...

  • Page 4: Table Of Contents

    Electrical Wiring Diagram (Power and Ground) ..53 Hydraulic Component Locator ....... 54 Hydraulic System Diagram ........55 NOTICE Specifications are subject to change without notice. PAGE 4 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 5: Training Checklist

    Emergency stop procedures Startup of machine Maintaining a hover Maneuvering Pitching Concrete fi nishing techniques Shutdown of machine Lifting of machine (lift loops) Machine transport and storage LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 5...

  • Page 6: Daily Pre-Operation Checklist

    Daily Pre-Operation Checklist       Engine oil level Hydraulic oil level Condition of blades Blade pitch operation Safety stop switch operation Steering control operation PAGE 6 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 7: Safety Information

    Indicates a hazardous situation which, if not avoided, COULD result in MINOR or MODERATE INJURY. NOTICE Pressurized fluid hazards Addresses practices not related to personal injury. Hydraulic fluid hazards LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 7...
  • Page 8 Fire, Smoking, Explosion, Inhalation Hazard DO NOT smoke or light matches near this equipment. This equipment contains highly flammable fuel. DO NOT use this equipment in an enclosed area. PAGE 8 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)
  • Page 9 „ No one other than the operator is to be in the working area when the equipment is in operation. „ NEVER use the equipment for any purpose other than its intended purposes or applications. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 9...
  • Page 10 „ NEVER place your feet or hands inside the guard rings while starting or operating this equipment. PAGE 10 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)
  • Page 11 The battery contains combustible gases and liquids. If these gases and liquids come into contact with a fl ame or spark, an explosion could occur. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 11...
  • Page 12 Recyclers and manufacturers alike promote the process of recycling metal. Using a metal recycling center promotes energy cost savings. PAGE 12 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 13: Safety Information

    The label must remain with the engine for its entire life. If a replacement emission label is needed, please contact your authorized engine distributor. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 13...

  • Page 14: Lifting And Transporting

    „ DO NOT lift the trowel to unnecessary heights. „ ALWAYS shut down the engine before transporting. „ Tighten the fuel tank cap securely and close the fuel cock to prevent fuel from spilling. PAGE 14 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)
  • Page 15 „ Broken or worn stitching that exposes the core fibers „ Knots „ Any other condition which may cause doubt as to the strength of the sling LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 15...
  • Page 16 Figure 2. Lifting the Trowel 2. Insert forklift forks through the loops at the ends of the lifting slings. Keep the slings as close to vertical as possible. PAGE 16 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 17: Lifting And Transporting

    Figure 5. DO NOT wrap the tie-downs around the frame as shown in Figure 6. NOTICE Use tie-downs with flat hooks or U-hooks only. CORRECT Figure 5. Tie-Down Method (Correct) LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 17...

  • Page 18: Specifications

    SA(8). The daily exposure limit value is Per EU Directive 2002/44/EC, the daily exposure action value for whole body vibration is 0.5 m/s SA(8). 1.15 m/s PAGE 18 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 19: Dimensions

    DIMENSIONS Table 5. LD6 Dimensions Designator Dimension in. (mm) Length 77.4 (1,966) Width 37.0 (939.8) Height 56.0 (1,422) Figure 7. LD6 Dimensions LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 19...

  • Page 20: General Information

    The LD6 is equipped with a Briggs & Stratton Vanguard 3864 gasoline engine. Refer to the engine owner’s manual for specific instructions regarding engine operation and maintenance. PAGE 20 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 21: Components (Trowel)

    Holds up to 3 gallons (11.4 liters) button controls the flow of retardant spray when the of retardant. optional retardant spray kit is installed. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 21...
  • Page 22 26. Light, Right Side (Optional) — One of six LED lights 20. Tie-Down Locations (4) — Secure tie-down straps to included with the optional light kit. these attachment points when transporting the trowel. PAGE 22 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 23: Components (Trowel)

    32. Carbon Canister — A container filled with activated charcoal traps gasoline vapor emitted by the fuel system and releases it to the engine. Reduces emissions and increases fuel efficiency. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 23...

  • Page 24: Components (Engine)

    8. Muffler Mounting Bracket — Secures the muffler to the hydraulic pump valve. the trowel frame. 9. Air Cleaner — Prevents dirt and debris from entering the engine cylinders. PAGE 24 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 25: Setup

    3. Connect the positive (RED) battery cable to the into operation. positive (+) terminal on the battery, then connect the negative (BLACK) battery cable to the negative (–) terminal. See Figure 13. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 25...

  • Page 26: Inspection

    Figure 17. Hydraulic Oil Level Inspection NEVER overfill the oil pan. ALWAYS allow time for any added oil to make its way to the oil pan before rechecking the level. PAGE 26 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)
  • Page 27 3. If fuel is low, remove the fuel filler cap (Figure 18) and fill the tank with unleaded 87 or 89 octane gasoline. DO NOT overfill. The fuel tank holds 4 gallons (15 liters) of gasoline. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 27...

  • Page 28: Operation

    DO NOT grab the steering control joysticks to lift yourself onto the trowel. Damage to the joysticks may result. P/N 45650 ENGINE THROTTLE LEVER (IDLE) Figure 20. Engine Throttle Lever (Idle) PAGE 28 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)
  • Page 29 6. Place the engine throttle lever in the FAST (rabbit) position. See Figure 22. ENGINE THROTTLE LEVER (FAST) P/N 45650 Figure 22. Engine Throttle Lever (Fast) LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 29...
  • Page 30 Table 7 illustrates the various directional positions of the joysticks and their effect on the movement of the trowel. NOTICE All directional references with respect to the joysticks are from the operator’s seated position. PAGE 30 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)
  • Page 31 (Figure 25) with your right foot to begin rotating the blades. 2. Move the rotor speed control lever to about midway between high speed (rabbit) and low speed (turtle). LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 31...

  • Page 32: Operation

    8. Pull both the left and right joysticks backward (Figure 28) and repeat steps 3–4 while substituting the word reverse for forward. Figure 28. Joysticks (Reverse) PAGE 32 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 33: Maintenance

    Note 2 = Clean more often under dusty conditions or when airborne debris is present. Replace the air cleaner if very dirty. Note 3 = Use Parker DuraClean ISO 46 hydraulic oil only. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 33...
  • Page 34 8. Replace the air cleaner cover and secure with the KNOB latches. PLATE FOAM PRE-CLEANER CARTRIDGE BODY Figure 29. Air Filter Components 2. Remove the knob and the plate (Figure 29). PAGE 34 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)
  • Page 35 3. Fully insert the dipstick then remove it again. 4. Determine if engine oil is low. Oil should be between the upper and lower marks (Figure 32) on the dipstick. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 35...
  • Page 36 OIL FILTER WRENCH Figure 35. Oil Filter Removal 7. Clean the sealing surface where the filter mounts onto the engine. PAGE 36 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)
  • Page 37 NOTICE NEVER attempt to charge a battery that is frozen. The battery can explode unless first allowed to thaw. Figure 38. Hydraulic Oil Filter LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 37...
  • Page 38 5 ft. × 5 ft. (1.5 m × 1.5 m), 3/4 inch-thick, flat steel plate should be used. 3. Lubricate the Zerk grease fitting with 1–1½ shots of multipurpose grade grease. Replace the Zerk grease fitting cap when finished. PAGE 38 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)
  • Page 39 A slight tap with a rubber mallet may be SURFACE necessary to dislodge the spider from the hydraulic DISHED EFFECT ON motor shaft. FINISHED CONCRETE Figure 43. Incorrect Spider Plate Alignment LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 39...
  • Page 40 4. Install the new blades, maintaining the proper blade orientation as noted during removal. Secure with the bolts that were removed earlier. PAGE 40 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)
  • Page 41 3. Adjust the fixture adjustment bolt distance shown in Figure 48 to 0.15 in. (3.81 mm). 4. Replace the trowel arm if it is bent or uneven. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 41...
  • Page 42 3. The remainder can be brought to a salvage yard or 3. Reinstall the bronze bushings onto the trowel arm. metal reclamation facility for further dismantling. 4. Repeat steps 2–3 for each trowel arm. PAGE 42 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 43: Troubleshooting

    Check to ensure that each blade is adjusted to have the Blade pitch? same pitch as all other blades. Adjust per Maintenance section in manual. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 43...
  • Page 44 Check to ensure that hydraulic steering pressure is Hydraulic pressure? adequate. Wiring? Check and repair wiring and connectors as necessary. Pitch system not working. Actuators? Check pitch system fuses. Replace if necessary. PAGE 44 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 45: Troubleshooting

    Torque cylinder head bolts and spark plug. properly? Head gasket and/or spark plug gasket damaged? Replace head and spark plug gaskets. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 45...
  • Page 46 NOTES PAGE 46 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 47: Electrical Component Locator

    ELECTRICAL COMPONENT LOCATOR LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 47...

  • Page 48: Electrical Wiring Diagram

    18 AWG RED/B 18 AWG BLACK 18 AWG RED/Y 18 AWG BLACK 18 AWG PINK 14 AWG BLACK ACCESSORY POWER FOOT SW HOUR METER SEAT SWITCH FUEL SOLENOID PAGE 48 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)
  • Page 49 18 AWG RED/BLUE BLACK 18 AWG RED/YELLOW 18 AWG ORANGE/BLUE BLACK 18 AWG BLACK WG BLACK 18 AWG BLACK SPEED LEVER 120Ω 0.4W FOOT SWITCH RESISTOR DC CONVERTER LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 49...

  • Page 50: Electrical Wiring Diagram (Pitch Kit)

    16 AWG BLACK RIGHT PITCH ACTUATOR 14 AWG RED 14 AWG BLACK CONNECT TO ACCESSORY POWER OUT MAIN HARNESS CONNECT LIGHT KIT ACCESSORY POWER OR SPRAY KIT HERE PAGE 50 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 51: Electrical Wiring Diagram (Optional Light Kit)

    14 AWG BLACK LIGHT ACCESSORY POWER OUT CONNECT SPRAY KIT HERE 18 AWG RED/WHITE 18 AWG BLACK LEFT REAR LIGHT 18 AWG RED/WHITE 18 AWG BLACK LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 51...

  • Page 52: Electrical Wiring Diagram (Optional Spray Kit)

    RH SPRAY SWITCH LH SPRAY SWITCH +12 VDC +12 VDC 18 AWG RED/WHITE 18 AWG BLACK CONNECT TO PITCH KIT HARNESS OR LIGHT KIT HARNESS ACCESSORY POWER PAGE 52 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 53: Electrical Wiring Diagram (Power And Ground)

    18 AWG IGNITION CHASSIS GROUND COIL TO HARNESS SPLICE 14 AWG 4 AWG BLACK 6 AWG TO GROUND +12 VDC BATTERY BLACK 14 AWG TO FRAME GND. LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 53...

  • Page 54: Hydraulic Component Locator

    HYDRAULIC COMPONENT LOCATOR PAGE 54 — LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20)

  • Page 55: Hydraulic System Diagram

    MOTOR REAR HYDRAULIC CYLINDER HEAT EXCHANGER STEERING PRESSURE VALVE CASE DRAIN HYDRAULIC MANIFOLD PUMP LEFT HYDRAULIC CYLINDER FROM CYCLONE RESERVOIR (PORT B) LEFT-HAND STEERING VALVE ENGINE LD6 RIDE-ON POWER TROWEL • OPERATION MANUAL — REV. #0 (02/10/20) — PAGE 55...
  • Page 56 © COPYRIGHT 2020, 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.

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