MULTIQUIP hhn34tvdtcsl4 Operation Manual
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MULTIQUIP hhn34tvdtcsl4 Operation Manual

Ride-on trowel (vanguard dm 954 diesel engine)
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OperatiOn Manual
SerieS
MODel hhn34tvDtcSl4
MODel hhn34tvDtcSl5
riDe-On trOwel
(vanGuarD DM 954 DieSel enGine)
Revision #2 (01/10/11)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
pn: 21729

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Summary of Contents for MULTIQUIP hhn34tvdtcsl4

  • Page 1 OperatiOn Manual SerieS MODel hhn34tvDtcSl4 MODel hhn34tvDtcSl5 riDe-On trOwel (vanGuarD DM 954 DieSel enGine) Revision #2 (01/10/11) To find the latest revision of this publication, visit our website at: www.multiquip.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES. pn: 21729...

  • Page 2: Proposition 65 Warning

    prOpOSitiOn 65 warninG Engine exhaust some its constituents, and some dust created by power sanding, sawing, grinding, drillingandotherconstructionactivities contains chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. Some examples of these chemicals are: Leadfromlead-basedpaints.

  • 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 hhn34tvD riDe-On trOwel Proposition 65 Warning ........... 2 Silicosis/Respiratory Warnings ........ 3 Table Of Contents ............ 4 Training Checklist ............. 6 Daily Pre-Operation Checklist ......... 7 Safety Information ..........8-13 Specifications (Trowel) ........... 14 Specifications (Engine) .......... 15 General Information ..........
  • Page 5 nOteS HHN34TVD RIDe-ON TROWeL • OpeRaTION maNuaL — ReV. #2 (01/10/11) — page 5...

  • Page 6: Training Checklist

    traininG checkliSt 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.

  • Page 7: Daily Pre-Operation Checklist

    Daily pre-OperatiOn checkliSt Daily pre-Operation Checklist       Engine oil level Hydraulic oil level Radiator coolant level Condition of blades Blade pitch operation Safety stop switch operation Steering control operation HHN34TVD RIDe-ON TROWeL • OpeRaTION maNuaL — ReV. #2 (01/10/11) — page 7...

  • Page 8: Safety Information

    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 9 „ 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 user may result.
  • Page 10 Safety infOrMatiOn TROWeL SaFeTy NOTICE „ aLWayS keep the machine in proper running condition. DaNgeR „ Fix damage to machine and replace any broken parts „ Engine fuel exhaust gases contain poisonous carbon immediately. monoxide. This gas is colorless and odorless, and can cause death if inhaled.
  • Page 11 Safety infOrMatiOn BaTTeRy SaFeTy NOTICE „ NeVeR run engine without an air fi lter or with a dirty air DaNgeR fi lter. Severe engine damage may occur. Service air fi lter „ DO NOT drop the battery. There is a possibility that the frequently to prevent engine malfunction.
  • Page 12 Safety infOrMatiOn TRaNSpORTINg SaFeTy TOWINg SaFeTy CauTION CauTION „ NeVeR 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 lifting. Department of Transportation (DOT) Safety Towing Regulations, before towing „...
  • Page 13 Safety infOrMatiOn „ Trailer should be adjusted to a level position at all times when towing. „ Raise and lock trailer wheel stand in up position when towing. „ Place chock blocks underneath wheel to prevent rolling while parked. „ Place support blocks underneath the trailer’s bumper to prevent tipping while parked.

  • Page 14: Specifications (Trowel)

    SpecificatiOnS (trOwel) Figure 1. HHN34TVD Dimensions Table 1. HHN34TVD Specifications A–Length – in. (cm) 97.0 (246.4) B–Width – in. (cm) 50.0 (127) C–Height – in. (cm) 46.0 (117) Weight – lbs. (kgs.) Operating 1,092 (500) Weight – lbs. (kgs.) Shipping 1,274 (578) Sound Pressure –...

  • Page 15: Specifications (Engine)

    SpecificatiOnS (enGine) Table 2. HHN34TVD engine Specifications HHN34TVDTCSL model Briggs 34 Hp engine Briggs & Stratton, Vanguard diesel turbo engine. Type DM 954 DT Cylinders Piston Displacement 58.1 cu.in. (952 cc) Bore and Stroke 2.83 in.x 3.07 in. (72 mm x 78 mm) Max.

  • Page 16: General Information

    Please to a new operator. contact your nearest Multiquip dealer should a replacement manual be required. Blades The blades of the HHN34TVD Ride-On Power Trowel finish the concrete as they are swirled around the surface.
  • Page 17 nOteS HHN34TVD RIDe-ON TROWeL • OpeRaTION maNuaL — ReV. #2 (01/10/11) — page 17...

  • Page 18: Components

    cOMpOnentS 1. Seat — Provides comfortable position for operation of the 10. Water Indicator Light — Lights red when water trowel. Engine will not start unless operator is seated. Seat temperature is high. is adjustable, fore and aft for operator comfort. 11.
  • Page 19 cOMpOnentS 21. Fuel Filter Light — Lights red when water level rises 29. engine air Filter — Prevents dirt and other debris from in the Fuel Filter/Separator. See engine manual for entering the fuel system. Lift locking latch on air filter draining instructions.

  • Page 20: New Machine Setup

    new Machine Setup SeaT aSSemBLy The purpose of this section is to assist the user in setting up a NeW trowel. If the trowel is already assembled, (seats, The seat is not installed on the trowel for shipping purposes. handles, knobs and battery), this section can be skipped. To attach the seat, perform the following: NOTICE NOTICE...

  • Page 21: Basic Engine

    baSic enGine Figure 5. Diesel Engine Components INITIaL SeRVICINg environmentally safe manner. DO NOT allow used oil to drain onto the ground or into a water runoff drain. The diesel engine (Figure 5) must be checked for proper 7. Fuel Filter — Filters fuel for contaminants. lubrication and filled with fuel prior to operation.

  • Page 22: Inspection

    inSpectiOn This section is intended to assist the operator with the FILL PLUG initial inspection of the HHN34TVD trowel. It is extremely important that this section be read carefully before attempting to use the trowel in the field. DO NOT use your trowel until this section is thoroughly DRAIN PLUG SIGHT GLASS understood.

  • Page 23: Operation

    OperatiOn STaRTINg THe eNgINe 5. Turn the ignition key clockwise to the (start) position. The oil, charge, and preheat indicator lights (Figure 1. Place one foot on the trowel’s platform, grab ahold of 10) should be ON. any part of the frame, lift yourself onto the trowel, then NOTICE sit down in the operator’s seat.
  • Page 24 OperatiOn STeeRINg 4. Practice maneuvering the ride-on trowel using the information listed inTable 3. Try to practice controlled Two control levers located in front of the operator’s seat motions as if you were finishing a slab of concrete. provide directional control for the HHN34TVD trowel. Table Practice edging and covering a large area.

  • Page 25: Maintenance

    Maintenance When performing maintenance on the trowel or engine, 3. Replace gearbox lubricant. follow all safety messages and rules for safe operation 4. Check and adjust blade speed. stated at the beginning of this manual. WaRNINg See the engine manual supplied with your machine for Cer tain maintenance operations or machine appropriate engine maintenance schedule and adjustments require specialized knowledge and skill.
  • Page 26 Maintenance eNgINe OIL aND FILTeR PRIMING PUMP 1. Change the engine oil and filter after the first 5 hours of use, then change oil every 6 months or 150 hours. O-RING 2. Remove the oil filler cap (Figure 5), and fill engine crankcase with recommended type oil as listed in Table 4.
  • Page 27 Maintenance BaTTeRy/CHaRgINg SySTem DaNgeR Flammable, explosive gas. (produces hydrogen gas while charging or during operation). Keep area around battery well ventilated and keep from any fire source. Battery electrolyte contains corrosive, toxic chemical. (dilute sulfuric acid). Avoid contact with eyes and skin. Shock or fire due to electric short- circuit.

  • Page 28: Maintenance (Old Style Clutch)

    Maintenance (OlD Style clutch) 1. Remove Drive Belt Guard Cover. See Figure 16. NOTICE This section is intended to aid users in the maintenance of drive assemblies with an old style Comet clutch. CHeCkINg THe DRIVe BeLT The drive belt needs to be changed as soon as it begins to show signs of wear.
  • Page 29 Maintenance (OlD Style clutch) INSTaLLINg DRIVe BeLT 2. To replace the drive belt with the spare drive belt, remove the 2 bolts that secure the drive belt carrier. (uSINg RepLaCemeNT DRIVe BeLT) (Figure 19) This will allow free movement of the belt The HHN34TVD Ride-On Power Trowel is equipped with for installation.
  • Page 30 Maintenance (OlD Style clutch) SpaRe DRIVe BeLT RepLaCemeNT TORque CONVeRTeR To replace a spare drive belt, be prepared to disconnect the The HHN34TVD trowel is equipped with a Torque Converter CV-joint from the left-side gearbox. See Figure 20. which supplies torque to both the left and right gear boxes. 1.
  • Page 31 Maintenance (OlD Style clutch) HOW IT WORkS As shown in Figure 22, centrifugal force pushes the roller arms (Figure 23) against the ramp plate, forcing the Refer to Figure 25. moveable face toward the fixed face and squeezing the belt CENTRIFUGAL FORCE DRIVE PULLEY...
  • Page 32 Maintenance (OlD Style clutch) CLuTCH This clutch system provides a high pulley ratio (a low gear- so to speak) to start out and a low pulley ratio ( a high gear- so to speak) for a high speed operation, with infinite variation between the two.

  • Page 33: Maintenance (New Style Clutch)

    Maintenance (new Style clutch) BeLT meaSuRemeNT NOTICE Long life can be expected with this new drive assembly as This section is intended to aid users in the maintenance long as the belt is kept properly aligned. of drive assemblies with a new style Multi-Clutch. The clutch will not shift correctly if the belt width is below 1.14".
  • Page 34 Maintenance (new Style clutch) 2. Disconnect the left-side CV Axle from the left-side gearbox and the lower drive pulley coupler. See Figure 29. NOTICE CVT BELT (P/N 23365) Note that the 3 bolts securing the CV axle to the coupler are shorter than those securing the CV axle to the gearbox.
  • Page 35 Maintenance (new Style clutch) HOW IT WORkS The Multi-Clutch functions much like a standard CVT system. As the engine RPM’s increase, the drive or primary clutch closes, forcing the belt to ride outwards on the drive sheaves. The closing of the drive clutch also forces the belt to open the driven or secondary sheaves.
  • Page 36 Maintenance BLaDe pITCH Blade pitch adjustment procedure matching Blade pitch for Both Sets of Blades Maintenance adjustment of blade pitch is made by adjusting a bolt (Figure 33) on the arm of the trowel blade finger. Sometimes it may be necessary to match blade pitch between This bolt is the contact point of the trowel arm to the lower the two sets of blades.
  • Page 37 Maintenance CLeaN-up Adjust the “high” bolts down to the level of the one that is not touching, or adjust the “low” bolt up to the level of the higher Never allow concrete to harden on the power trowel. ones. If possible, adjust the low bolt up to the level of the Immediately after use wash any concrete off the trowel rest of the bolts.
  • Page 38 Maintenance Figure 34 illustrates “incorrect alignment,” worn spider bushings or bent trowel arms. Check that the adjustment GEARBOX bolt is barely touching (0.10" max. clearance) lower wear plate. All alignment bolts should be spaced the same distance from the lower wear plate. ADJUSTMENT BOLT “DISHED”...
  • Page 39 Maintenance TROWeL aRm RemOVaL out with the trowel arm, remove the bushing from the trowel arm and set aside in a safe place. If the bushing 1. Remove the hardware securing the stabilizer ring to is retained inside the spider plate, carefully remove the trowel arm.
  • Page 40 Maintenance TROWEL FLAT TEST SURFACE FEELER GAUGE (.005 in./0.127 mm) FEELER GAUGE (.004 in./0.10 mm) Figure 42. Checking Trowel Arm Flatness 3. Next, check the clearance between the round shaft and the test surface as one of the flat hex sections of the Figure 44.
  • Page 41 Maintenance ReaSSemBLy 1. Clean and examine the upper/lower wear plates and KNOB, TIE-DOWN thrust collar. Examine the entire spider assembly. Wire Z-CLIP PANS brush any concrete or rust build-up. If any of the spider TIE-DOWN, BLADE components are found to be damaged or out of round, replace them.

  • Page 42: Troubleshooting

    trOubleShOOtinG Troubleshooting (Ride-On mechanical Trowel) Symptom possible problem Solution Make sure that the stop switch is functioning when the Stop switch malfunction? operator is seated. Replace switch if necessary. Look at the fuel system. Make sure there is fuel being Engine running rough or not at all.
  • Page 43 trOubleShOOtinG Troubleshooting (Ride-On mechanical Trowel) - continued Symptom possible problem Solution Check all electrical connections in the lighting circuit. Wiring? Verify wiring is in good condition with no shorts. Replace defective wiring or components immediately. If +12VDC is present at light fi xture connector when light Lights? switch is activated and light does not turn on, replace Lights (optional) not working.
  • Page 44 trOubleShOOtinG Troubleshooting (engine) Symptom possible problem Solution No Fuel reaching injection pump? Add fuel. Check entire fuel system. Defective fuel pump? Replace fuel pump. Fuel fi lter clogged? Replace fuel fi lter and clean tank. Faulty fuel supply line? Replace or repair fuel line. Check piston, cylinder and valves.
  • Page 45 trOubleShOOtinG Troubleshooting (engine) - continued Symptom possible problem Solution Air fi lter blocked? Clean or replace air fi lter. Low engine power output and low speed, Incorrect valve clearances? Adjust valves per engine specifi cation. black exhaust smoke. Malfunction at injector? See engine manual.
  • Page 46 © COPYRIGHT 2011, MULTIQUIP INC. Multiquip Inc, the MQ logo and the Whiteman 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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