MULTIQUIP Whiteman MD80 Operation Manual
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MULTIQUIP Whiteman MD80 Operation Manual

Hydraulic ride-on trowel, vanguard 61g200 40 hp gasoline engine
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OPERATION MANUAL
MODEL MD80
HYDRAULIC RIDE - ON TROWEL
(VANGUARD 61G200 40 HP GASOLINE ENGINE)
Revision #0 (05/22/24)
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: 48711

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  • Page 1 HYDRAULIC RIDE - ON TROWEL (VANGUARD 61G200 40 HP GASOLINE ENGINE) Revision #0 (05/22/24) 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: 48711...

  • Page 2: Proposition 65 Warning

    PROPOSITION 65 WARNING PAGE 2 — MD80 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (05/22/24)

  • Page 3: Silicosis/Respiratory Warnings

    SILICOSIS/RESPIRATORY WARNINGS WARNING WARNING SILICOSIS WARNING RESPIRATORY HAZARDS Grinding/cutting/drilling of masonry, concrete, metal and Grinding/cutting/drilling of masonry, concrete, metal and other materials with silica in their composition may give other materials can generate dust, mists and fumes off dust or mists containing crystalline silica. Silica is a containing chemicals known to cause serious or fatal basic component of sand, quartz, brick clay, granite and injury or illness, such as respiratory disease, cancer,...

  • Page 4: Table Of Contents

    TABLE OF CONTENTS MD80 Ride-On Trowel NOTICE Proposition 65 Warning ........... 2 Specifications are subject to change without notice. Silicosis/Respiratory Warnings ........ 3 Table of Contents ............. 4 Checklists ..............5 Safety Information ..........6–12 Lifting and Transporting ........13–16 Specifications ............

  • Page 5: Checklists

    CHECKLISTS Training Checklist Description Date Read operation manual completely Machine layout, location of components, checking of engine and hydraulic oil levels Fuel system, refueling procedure Operation of spray and lights Operation of controls (machine not running) Safety controls, safety stop switch operation Emergency stop procedures Startup of machine, pre-heat, engine choke...

  • Page 6: Safety Messages

    SAFETY INFORMATION DO NOT operate or service the equipment before reading Potential hazards associated with the operation of this the entire manual. Safety precautions should be followed equipment will be referenced with hazard symbols which at all times when operating this equipment. may appear throughout this manual in conjunction with Failure to read and understand the safety safety messages.

  • Page 7: Safety Decals

    SAFETY INFORMATION SAFETY DECALS Decals associated with the safe operation of this equipment are defi ned below. CAUTION NOTICE Burn Hazard Radio Noise THIS PRODUCT COMPLIES WITH HOT PARTS can burn skin. CANADIAN ICES-002 This product complies with DO NOT touch hot parts. CE PRODUIT EST CONFORME À...

  • Page 8: General Safety

    „ NEVER use accessories or attachments that are not „ Avoid wearing jewelry or loose-fi tting clothes that may recommended by Multiquip for this equipment. Damage snag on the controls or moving parts, as this can cause to the equipment and/or injury to the user may result.

  • Page 9: Engine Safety

    SAFETY INFORMATION TROWEL SAFETY NOTICE DANGER „ ALWAYS keep the machine in proper running condition. „ Engine fuel exhaust gases contain poisonous carbon „ Fix damage to the machine and replace any broken monoxide. This gas is colorless and odorless, and can parts immediately.

  • Page 10: Battery Safety

    SAFETY INFORMATION BATTERY SAFETY NOTICE „ DO NOT allow the engine to run unattended at a high DANGER idle position for longer than 5 minutes. The hydraulic „ DO NOT drop the battery. There is a possibility that the system will overheat if the engine idles for too long battery will explode.

  • Page 11: Transporting Safety

    SAFETY INFORMATION TRANSPORTING SAFETY TOWING SAFETY CAUTION CAUTION „ DO NOT allow any person or animal to „ Check with your local, county or state safety stand underneath the equipment while towing regulations, in addition to meeting it is being lifted. Department of Transportation (DOT) safety towing regulations, before towing „...

  • Page 12: Emissions Information

    SAFETY INFORMATION EMISSIONS INFORMATION NOTICE The gasoline engine used in this equipment has been designed to reduce harmful levels of carbon monoxide (CO), hydrocarbons (HC) and nitrogen oxides (NOx) contained in exhaust emissions. This engine has been certifi ed to meet US EPA evaporative emissions requirements in the installed confi guration.

  • Page 13: Lifting And Transporting

    Failure to comply with these lifting the parts manual included with your trowel for part numbers, instructions may result in sling failure and order from your Multiquip parts dealer or importer. and severe personal injury or death. Only qualified personnel with proper training should perform this procedure.
  • Page 14 LIFTING AND TRANSPORTING The Occupational Safety and Health Administration (OSHA) Regulation 29 CFR Part 1926.251 (e)(8)—Removal from service requires that the slings be inspected prior to each use, and removed from service immediately if any of the following conditions are found: „...

  • Page 15: Lifting Procedure

    LIFTING AND TRANSPORTING LIFTING PROCEDURE 2. Insert forklift forks through the loops at the ends of the lifting slings. Keep the slings as close to vertical The correct lifting slings (Figure 1) have been supplied as possible. with your trowel, in accordance to its weight per 3.
  • Page 16 LIFTING AND TRANSPORTING Forklift Pockets NOTICE Another method for lifting the trowel is with the forklift Use tie-downs with flat hooks or U-hooks only. pockets. Insert forklift forks through the forklift pockets as shown in Figure 4. FORKS CORRECT Figure 4. Lifting The Trowel (Forklift Pockets) Figure 6.

  • Page 17: Specifications

    SPECIFICATIONS Table 2. Trowel Specifications Table 3. Engine Specifications Trowel Model MD80 Engine Model Vanguard 61G200 Operating Weight 1,515 lb. (687.2 kg) Engine Type V-Twin EFI, OHV Shipping Weight 1,941 lb. (880.4 kg) Number of Cylinders Displacement 60.60 in³ (993 cm³) Maximum Rotor Speed 160 rpm Compression Ratio...

  • Page 18: Dimensions

    DIMENSIONS Table 5. MD80 Dimensions Designator Dimension in. (mm) Length 100 (2,540) Width 51 (1,295) Height 64 (1,626) Figure 8. MD80 Dimensions PAGE 18 — MD80 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (05/22/24)

  • Page 19: General Information

    GENERAL INFORMATION INTENDED USE BLADES The blades of the MD80 finish concrete as they are rotated Operate the MD80 ride-on trowel, tools, and components across the surface. Blades are classified as combination in accordance with the manufacturer’s instructions. Use of (10 or 8 inches wide) or finish (6 inches wide).

  • Page 20: Components (Trowel)

    COMPONENTS ( TROWEL ) P/N 48721 Figure 9. Trowel Components 1. Retardant Spray Control Buttons (2) — Control the 4. Retardant Spray Tank — Holds up to 3 gallons flow of retardant spray through the nozzles at the front (11.3 liters) of retardant. Remove the filler cap to add of the trowel.
  • Page 21 COMPONENTS ( TROWEL ) P/N 48722 Figure 10. Trowel Components (Cont.) 11. Retardant Spray Pumps (2) — Deliver retardant spray 18. Horn/Cruise Control Rocker Switch — Use to from the retardant tank to the spray nozzles. Actuated activate the horn or to activate/deactivate cruise control. by the buttons on the steering control handles.
  • Page 22 COMPONENTS ( TROWEL ) 32 32 32 32 Figure 11. Trowel Components (Cont.) 24. Operator’s Seat — Adjustable operator’s seat with 31. Carbon Canister — Container filled with activated armrests. Tilts forward for service access. charcoal reduces emissions and increases fuel efficiency by trapping gasoline vapor emitted by the 25.

  • Page 23: Components (Engine)

    COMPONENTS ( ENGINE ) Figure 12. Vanguard 61G200 Engine Assembly The MD80 utilizes a Vanguard 61G200 gasoline engine 8. Oil Cooler — Maintains the optimal lubricating oil (Figure 12) equipped with the following components: operating temperature. 1. Air Cleaner — Prevents dirt and debris from entering 9.

  • Page 24: Setup And Inspection

    SETUP AND INSPECTION BATTERY ENGINE OIL OIL FILLER DIPSTICK CAUTION Use all safety precautions specified by the battery manufacturer when handling the battery. See the Safety Information section of this manual for details on battery safety. FULL 1. Make sure the battery is well secured in the battery tray with the two battery bolts (Figure 13).
  • Page 25 SETUP AND INSPECTION FUEL 6. When replacing the dipstick, make sure it is fully inserted into its holder to keep the crankcase sealed. DANGER HYDRAULIC OIL Gasoline fuel is highly flammable and can be dangerous if mishandled. 1. Make sure the trowel is secured on a level surface with the engine stopped.

  • Page 26: Operation

    OPERATION The following section is intended to assist the operator with operation of the trowel. It is extremely important to read GRAB this section carefully before attempting to use the trowel HERE HERE in the field. DO NOT operate the trowel until this section is thoroughly understood.
  • Page 27 OPERATION 3. Turn the ignition key clockwise to the ON position 7. If the amber LEDs are ON (Figure 21), and the Check (Figure 18). The diagnostic display will turn on as Engine icon is shown on the display, there is an active shown in Figure 19.
  • Page 28 OPERATION Operator Presence Safety Interlocks Table 7 illustrates the various directional positions of the joysticks and their effect on the movement of the trowel. 1. Full engine throttle is allowed only when operator NOTICE presence is detected. All directional references with respect to the joysticks 2.
  • Page 29 OPERATION The foot pedal (Figure 23) controls engine and rotor speed. 3. Practice holding the machine in one place as you The position of the foot pedal determines the rotational increase blade speed. When about 75% of maximum speed of the rotors. Slow rotor speed is obtained by slightly blade speed has been reached, the blades will be depressing the foot pedal.

  • Page 30: Blade Pitch

    OPERATION CRUISE CONTROL BLADE PITCH Engaging cruise control will set and maintain rotor speed. 1. Press UP or DOWN on the Twin Pitch™ switch The cruise control feature allows an operator to release the (Figure 27) to change pitch on both rotors simultaneously foot pedal during operation.
  • Page 31 OPERATION FLOAT PAN INSTALLATION 4. After it has been routed through the blade stop holes, rotate the latch pin so the end that is bent Float pans attach to the trowel arms and allow early floating approximately 90 degrees lays flat on the surface of on wet concrete and easy movement from wet to dry areas.

  • Page 32: Maintenance

    MAINTENANCE Every 8 Every Year Every Year Every Year Table 8. Inspection/Maintenance* Hours Or Or 100 Or 250 Or 400 Daily Hours Hours Hours Check Lubricating Oil Level Clean or Replace Air Cleaner Filter* Clean Pre-Cleaner (If Installed)* Replace Lubricating Oil and Oil Filter Replace Spark Plugs Engine Service Exhaust System...
  • Page 33 MAINTENANCE 5. Remove the air filter (Figure 30). CAUTION 6. Remove the pre-cleaner (Figure 30) from the air filter. Certain maintenance operations or machine adjustments require specialized knowledge and skill. Attempting 7. To clean the air filter, lightly tap the filter several times to perform maintenance operations or adjustments on a hard surface.
  • Page 34 MAINTENANCE ENGINE OIL Changing Engine Oil And Filter 1. Make sure the trowel is secured on a level surface with NOTICE the engine stopped. ALWAYS drain the engine oil while the oil is warm. 2. Pull the engine oil dipstick (Figure 31) out of its holder and wipe it with a clean rag.

  • Page 35: Spark Plugs

    MAINTENANCE 7. Using a filter wrench (Figure 33), remove the engine 12. Replace the oil filler cap and make sure the dipstick oil filter. is fully inserted. 13. Reconnect the spark plug wires to the spark plugs. 14. Reconnect the negative (black) battery cable to the negative (–) battery terminal.

  • Page 36: Fuel Filter

    MAINTENANCE FUEL FILTER HYDRAULIC OIL FILTER Change the hydraulic oil filter (Figure 37) after the first WARNING 100 hours of use, then every 250 hours. Use 10-micron, Before replacing the fuel filter, ALWAYS drain the fuel glass-filled filter elements only. tank or close the fuel shutoff valve.

  • Page 37: Trowel Lubrication

    MAINTENANCE BATTERY Spiders (Daily) Perform the following lubrication procedure after every 1. Check and clean the battery terminals for corrosion. 8 hours of operation. 2. Disconnect the negative (–) battery terminal during 1. Locate one of the Zerk grease fittings on either spider storage.

  • Page 38: Changing Blades

    MAINTENANCE Thrust Collars (Daily) CHANGING BLADES Perform the following lubrication procedure after every It is recommended to change ALL of the trowel blades 8 hours of operation. at the same time. If only one or some of the blades are changed, the machine will not finish consistently and the 1.
  • Page 39 MAINTENANCE SPIDER ALIGNMENT The goal of adjustment is to promote consistent blade pitch and finishing quality. If blades are wearing unevenly, look for A clean, level area to test the trowel prior to and after the following indications that adjustment may be necessary. trowel arm adjustment is essential.
  • Page 40 MAINTENANCE SPIDER REMOVAL 5. Remove the spider hub cap plug (Figure 45) and set it aside. To fully remove a spider assembly from the hydraulic motor shaft: 1. Disconnect the negative (BLACK) battery cable from HYDRAULIC the negative (–) terminal on the battery. MOTOR 2.
  • Page 41 MAINTENANCE Trowel Arm Removal 7. When reassembling: a. Apply Loctite Blue 246 thread sealant to the 1. Remove the hardware securing the stabilizer struts socket-head screw in the center and torque to to the trowel arms (Figure 47). Set the struts and 40 lbf·ft (54.2 N·m).
  • Page 42 MAINTENANCE 3. Remove the trowel arm (Figure 48) from the spider 1. Place the trowel arm onto a thick steel plate, granite slab, or any other surface which is flat and true hub. (Figure 50). 4. Should the trowel arm insert (bronze bushing) come out with the trowel arm, remove the bushing from the LEVER trowel arm and set it aside.
  • Page 43 MAINTENANCE Trowel Arm Adjustment 4. Unscrew the locking bolts on the adjustment tool and place the trowel arm into the fixture channel as shown in Figure 51 illustrates a trowel arm adjustment tool. As a Figure 53. A thin shim may be required to cover the blade trowel arm is locked into the adjustment tool, the trowel arm holes on the trowel arm.
  • Page 44 MAINTENANCE 3. Reinstall the bronze bushings onto the trowel arm. CAUTION 4. Repeat steps 2–3 for each trowel arm. The bolt removal process may result in the sudden separation of the spider assembly from the hydraulic 5. Make sure that the spring tensioner is in the correct motor shaft.
  • Page 45 MAINTENANCE 5. Use brake cleaner (Figure 56A) to clean out any debris from the empty bolt holes. When finished, use compressed air (Figure 56B) to remove any remaining residue. NOTICE Make sure the bolt holes are clean and completely dry before installing the new bolts. HARDENED WASHER COMPRESSED AIR...

  • Page 46: Preparation For Long-Term Storage

    MAINTENANCE 11. Re-torque the five bolts in a star pattern to 113 lbf·ft (153.2 N·m). 12. Reinstall the left-side spider hub cap plug. 13. Repeat steps 2–12 on the right-side spider assembly. PREPARATION FOR LONG-TERM STORAGE 1. Disconnect and remove the battery. 2.

  • Page 47: Troubleshooting

    TROUBLESHOOTING FAULTS NOTICE When a fault occurs, the trowel’s horn will begin a repeating NEVER operate the trowel with the horn disabled or cycle of 5 beeps every 30 seconds. The amber LEDs on disconnected. Serious damage to the trowel may occur the diagnostic display will turn ON (Figure 59), and the as a result.
  • Page 48 TROUBLESHOOTING Table 11. Engine Fault Codes Name Description Throttle Position Sensor (TPS) Intermittent Fail Signal Voltage High Signal Voltage Low/Open Signal Voltage Out of Range Signal Voltage Out of Range Pedal Value Signal Voltage High Signal Voltage Low/Open Manifold Absolute Pressure (MAP) Signal Voltage High Sensor Signal Voltage Low/Open...
  • Page 49 TROUBLESHOOTING Table 11. Engine Fault Codes Cylinder 2 Ignition Coil 1269 Signal Voltage High Signal Voltage Low/Open Electric Lift Fuel Pump Failure 1347 Circuit Shorted High Circuit Shorted Low Circuit Open Main Relay 1485 Circuit Shorted High Circuit Shorted Low Circuit Open Oxygen (O ) Control...
  • Page 50 TROUBLESHOOTING Troubleshooting (Ride-On Hydraulic Trowel) Symptom Possible Problem Solution Other problems? Check seat function with the electronic service tool. Seat switch not functioning. Loose wire connections? Check wiring. Replace as necessary. Bad contacts? Replace seat cushion (contains the switch). Make certain blades are in good condition, not excessively worn.
  • Page 51 TROUBLESHOOTING Troubleshooting (Ride-On Hydraulic Trowel) Continued Symptom Possible Problem Solution Check all electrical connections, including the master Wiring? on/off switch and check to see if wiring is in good condition with no shorts. Replace as necessary. Lights not working. Check to see if light bulbs are still good. Replace if Lights? broken.
  • Page 52 TROUBLESHOOTING Troubleshooting (Engine) Symptom Possible Problem Solution Spark plug bridging? Check gap, insulation or replace spark plug. Carbon deposit on spark plug? Clean or replace spark plug. Short circuit due to defi cient spark plug Check spark plug insulation, replace if worn. insulation? Improper spark plug gap? Set to proper gap.

  • Page 53: Electrical Component Locator

    ELECTRICAL COMPONENT LOCATOR MD80 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (05/22/24) — PAGE 53...

  • Page 54: Fuse And Relay Box

    FUSE AND RELAY LOCATOR J8:82 7.5A J8:90 J8:29 J8:13 J8:61 J8:53 J8:45 J8:37 J8:93 J8:85 J8:77 J8:69 J8:87 J8:95 J8:79 J8:63 J8:71 J8:55 J8:39 J8:47 J8:31 J8:15 J8:23 J8:7 J8:75 J8:67 J8:91 J8:83 J8:11 -K11 -K10 J8:3 J8:54 J8:62 J8:38 J8:46 J8:86 J8:94...

  • Page 55: Lights Wiring Diagram

    LIGHTS WIRING DIAGRAM RF LIGHT FRAME HARNESS FUSE AND RELAY BOX DT06-2S 18 AWG RD/OR 14 AWG RD/YL 18 AWG BK/OR MACHINE CONTROLLER MAIN RS LIGHT HARNESS FRAME HARNESS 34822-0013 DT06-2S 18 AWG RD/OR 18 AWG BK/OR LIGHT SWITCH RR LIGHT FRAME HARNESS DT06-2S...

  • Page 56: Spray Wiring Diagram

    SPRAY WIRING DIAGRAM RIGHT-SIDE LEFT-SIDE RIGHT-HAND LEFT-HAND SPRAY PUMP SPRAY PUMP SPRAY SWITCH SPRAY SWITCH BUS BAR MAIN MAIN HARNESS HARNESS DT06-2S DT06-2S FRAME FRAME MAIN HARNESS HARNESS HARNESS DT04-2P DT04-2P DT06-12SA FUSE AND RELAY BOX MAIN FRAME HARNESS HARNESS 934457111 934447111 PAGE 56 —...

  • Page 57: Seat Switch Wiring Diagram

    SEAT SWITCH WIRING DIAGRAM MACHINE SWITCH CONTROLLER MAIN HARNESS 34822-0013 MAIN HARNESS DT06-6S FUSE AND SEAT RELAY BOX SWITCH 18 AWG RD/BL 18 AWG PK 18 AWG RD/BL 18 AWG PK SEAT SWITCH HARNESS 14 AWG RD/BL 96526A-BK BUS BAR MAIN 18 AWG HARNESS...

  • Page 58: Horn/Cruise Control Wiring Diagram

    HORN/CRUISE CONTROL WIRING DIAGRAM BUS BAR HORN FRAME MAIN HARNESS HARNESS 19016-0009 MAIN DT06-12SA HARNESS FRAME DT06-12SA HARNESS 19016-0009 MACHINE CONTROLLER MAIN HARNESS FRAME 34822-0013 MAIN HARNESS HARNESS 934447111 934457111 HORN/CRUISE SWITCH MAIN HARNESS FUSE AND RELAY BOX NOTE: NEVER OPERATE THE TROWEL WITH THE HORN DISABLED OR DISCONNECTED. SERIOUS DAMAGE TO THE TROWEL MAY OCCUR AS A RESULT.

  • Page 59: Foot Pedal Wiring Diagram

    FOOT PEDAL WIRING DIAGRAM MACHINE CONTROLLER MAIN HARNESS FOOT 34822-0013 PEDAL FRAME HARNESS DT06-6S DT04-6P MAIN FRAME HARNESS HARNESS 934457111 934447111 MD80 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (05/22/24) — PAGE 59...

  • Page 60: Hydraulic Pump Wiring Diagram

    HYDRAULIC PUMP WIRING DIAGRAM MACHINE CONTROLLER MAIN HARNESS 934457111 MAIN HARNESS 34822-0013 ENGINE HARNESS 934447111 ENGINE HARNESS HYDRAULIC DT06-2S PUMP RIGHT LOOP PRESSURE SENSOR ENGINE HARNESS ENGINE HARNESS DT06-2S DT06-3S ENGINE HARNESS DT06-3S LEFT LOOP PRESSURE SENSOR PAGE 60 — MD80 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (05/22/24)

  • Page 61: Hydraulic Motors Wiring Diagram

    HYDRAULIC MOTORS WIRING DIAGRAM BUS BAR MACHINE FUSE AND CONTROLLER RELAY BOX MAIN HARNESS MAIN 34822-0013 HARNESS DT06-12SA MAIN FRAME HARNESS HARNESS 934457111 934447111 LEFT HYDRAULIC RIGHT HYDRAULIC MOTOR MOTOR FRAME HARNESS DT06-4S FRAME HARNESS DT06-4S MD80 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (05/22/24) — PAGE 61...

  • Page 62: Hydraulic Coolers Wiring Diagram

    HYDRAULIC COOLERS WIRING DIAGRAM MACHINE 12 AWG RD CONTROLLER 19044-0146 FUSE AND RELAY BOX 19069-0241 BATTERY POWER POST MAIN HARNESS 34822-0013 18 AWG OR/GN PAGE 62 — MD80 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (05/22/24)
  • Page 63 HYDRAULIC COOLERS WIRING DIAGRAM RIGHT HYDRAULIC LEFT HYDRAULIC TEMP SWITCH TEMP SWITCH MAIN MAIN HARNESS HARNESS DT04-2P DT04-2P MAIN HARNESS 19044-0146 DT04-2P-E004 MAIN HARNESS DT04-2P-E004 RIGHT HYDRAULIC LEFT HYDRAULIC COOLER COOLER TTERY 14 AWG RD/GY ER POST BUS BAR MAIN HARNESS 19044-0160 MAIN...

  • Page 64: Pitch Wiring Diagram

    PITCH WIRING DIAGRAM FUSE AND RELAY BOX 20 AWG GY/BL 14 AWG BK 20 AWG GY/GN 12 AWG BK 14 AWG BK 14 AWG BK 12 AWG BK 14 AWG BK 20 AWG GY/YL 20 AWG GY/OR 16 AWG RD/BK 12 AWG RD/YL 12 AWG RD/YL 12 AWG BK/YL...
  • Page 65 PITCH WIRING DIAGRAM LEFT PITCH SWITCH MAIN HARNESS 20 AWG GY/BL 20 AWG GY/GN 20 AWG GY/GN 18 AWG RD/BK 16 AWG 20 AWG GY/YL 18 AWG RD/BK 20 AWG GY/GN RIGHT PITCH SWITCH MAIN 20 AWG GY/YL HARNESS 20 AWG GY/OR 16 AWG RD/BK FRAME MAIN...

  • Page 66: Display And Can Wiring Diagram

    DISPLAY AND CAN WIRING DIAGRAM MACHINE DIAGNOSTIC BUS BAR CONTROLLER DISPLAY MAIN HARNESS 34822-0013 MAIN HARNESS DT06-12SA MAIN HARNESS 20 AWG YL DT06-6S MAIN HARNESS 20 AWG YL 20 AWG YL 20 AWG YL 20085130 18 AWG BLACK 20 AWG GN 20 AWG GN 20 AWG GN 16 AWG...
  • Page 67 DISPLAY AND CAN WIRING DIAGRAM MAIN HARNESS DT04-8PA RESISTOR DT06-8SA 120Ω 20085068 FUSE AND MAIN RELAY BOX HARNESS DT06-6S 18 AWG RD/BK 18 AWG RD/BK 16 AWG RD/BK 16 AWG RD/BK 16 AWG RD/BK ENGINE CAN A + CAN A – ENGINE HARNESS 33472-1606...

  • Page 68: Power And Ignition Wiring Diagram

    POWER AND IGNITION WIRING DIAGRAM NEGATIVE BATTERY CABLE BUS BAR 19221-0228 POSITIVE BATTERY POSITIVE CABLE BATTERY NEGATIVE CABLE BATTERY WYK 36301 MAIN CABLE 19221-0229 HARNESS WYK 36301 DT06-12SA 19069-0241 BATTERY POWER POST BATTERY 18 AWG BK 18 AWG BK POSITIVE POSITIVE BATTERY BATTERY...
  • Page 69 POWER AND IGNITION WIRING DIAGRAM FUSE AND MACHINE RELAY BOX CONTROLLER MAIN 18 AWG BK HARNESS 14 AWG RD 14 AWG RD 34822-0013 12 AWG RD 18 AWG BK 14 AWG RD 18 AWG PK 20 AWG BL/GN ENGINE HARNESS 934447111 18 AWG BK SWITCH...

  • Page 70: Electrical Schematic

    ELECTRICAL SCHEMATIC REV. -TB2 42713 -Z34 -Z35 -Z37 -Z19 -Z18 -Z10 -Z13 -Z36 -HE1 14 AWG Black/Grey 48163 W468 LH HYD LH Hyd Fan Pwr COOLER DT04-2P-E004 +48440-P18:1 ACC PWR /2_of_3.B1 -Z12 20 AWG Red/Black 16 AWG Red/Black -TH2 -Z39 W438 W121 20 AWG Brown/Grey...
  • Page 71 ELECTRICAL SCHEMATIC -TB2 42713 -BA1 -TB1 404006 48790 BATTERY BATTERY PWR POST -T2 -T3 -Z19 -Z18 -Z36 -HE2 48163 14 AWG Black/Grey RH HYD W456 14 AWG Red/Grey RH Hyd Fan Pwr COOLER W562 DT04-2P-E004 -Z31 16 AWG Red/Black 20 AWG Black/Red -TH1 W114 W444...
  • Page 72 ELECTRICAL SCHEMATIC REV. -MT1 -PMP1 45875 45875 43144 45573 45780e 45573 30547 45573 LEFT PITCH RIGHT FOOT PEDAL RH HYD RH SPRAY ACTUATOR PITCH WORKLIGHT MOTOR WORKLIGHT PUMP WORKLIGHT +48440 +48447 -P17 LH PITCH CMD A 12 AWG Red/Yellow 12 AWG Red/Yellow +48440-J8:80 /1_of_3.A2 W539...
  • Page 73 ELECTRICAL SCHEMATIC -PMP1 -PMP2 -MT2 45573 30547 45573 45573 30547 45271 45780e 45573 45573 RH SPRAY LH SPRAY HORN LH HYD WORKLIGHT PUMP WORKLIGHT WORKLIGHT PUMP MOTOR WORKLIGHT WORKLIGHT +48447 SPLICE +48447 +48447 +48447 +48447 +48447 -Z10 -Z11 -Z13 16 AWG Black/Orange 16 AWG Black/Orange 16 AWG Black/Yellow SPLICE...
  • Page 74 ELECTRICAL SCHEMATIC REV. +48443 +48443 J1 -BACK 18 AWG Blue/Yellow RH Pmp Cmd 11/18 RH Pmp Cmd W506 18 AWG Black/Yellow RH Pmp Gnd 5/18 RH Pmp Gnd W505 18 AWG Black/Orange DT06-2S LH Pmp GND 10/18 J1-FRONT W254 18 AWG Blue/Orange LH Pmp Cmd 4/18 LH Pmp GND...
  • Page 75 NOTES MD80 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (05/22/24) — PAGE 75...

  • Page 76: Hydraulic Component Locator

    HYDRAULIC COMPONENT LOCATOR PAGE 76 — MD80 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (05/22/24)

  • Page 77: Hydraulic System Diagram

    HYDRAULIC SYSTEM DIAGRAM MD80 RIDE-ON TROWEL • OPERATION MANUAL — REV. #0 (05/22/24) — PAGE 77...

  • Page 78: Here's How To Get Help

    © COPYRIGHT 2024, 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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