MULTIQUIP Whiteman Series Operation Manual
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MULTIQUIP Whiteman Series Operation Manual

Ride-on trowel
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OPERATION MANUAL
SERIES
MODEL HTN27KTCSL
MODEL HTN28KTCSL
RIDE-ON TROWEL
(KOHLER GASOLINE ENGINE)
Revision #4 (10/08/19)
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.
PN: 21565

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  • Page 1 MODEL HTN27KTCSL MODEL HTN28KTCSL RIDE-ON TROWEL (KOHLER GASOLINE ENGINE) Revision #4 (10/08/19) 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. PN: 21565...

  • Page 2: Proposition 65 Warning

    PROPOSITION 65 WARNING PAGE 2 — HTN27-28 RIDE-ON TROWEL • OPERATION MANUAL — REV. #4 (10/08/19)

  • 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 HTN27/28 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 Lifting and Transporting ........14–16 Specifications ............17 Dimensions ............
  • Page 5 NOTES HTN27-28 RIDE-ON TROWEL • OPERATION MANUAL — REV. #4 (10/08/19) — PAGE 5...

  • Page 6: Training Checklist

    TRAINING CHECKLIST Training Checklist Description Date Read operation manual completely. Machine layout, location of components, checking of engine oil level. 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 Radiator coolant level Condition of blades Blade pitch operation Safety stop switch operation Steering control operation HTN27-28 RIDE-ON TROWEL • OPERATION MANUAL — REV. #4 (10/08/19) — 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 SAFETY INFORMATION SAFETY DECALS GENERAL SAFETY Decals associated with the operation of this equipment are CAUTION defi ned below. „ NEVER operate this equipment without proper protective clothing, shatterproof glasses, respiratory protection, DECAL DEFINITION hearing protection, steel-toed boots and other protective DANGER devices required by the job or city and state regulations.
  • Page 10 „ NEVER use accessories or attachments that are not restricted. If the air fl ow is recommended by Multiquip for this equipment. Damage restricted it will cause injury to the equipment and/or injury to user may result.
  • Page 11 SAFETY INFORMATION NOTICE NOTICE „ ALWAYS keep the machine in proper running condition. „ NEVER run engine without an air fi lter or with a dirty air fi lter. Severe engine damage may occur. Service air fi lter „ Fix damage to machine and replace any broken parts frequently to prevent engine malfunction.
  • Page 12 SAFETY INFORMATION BATTERY SAFETY TRANSPORTING SAFETY DANGER CAUTION „ DO NOT drop the battery. There is a possibility that the „ NEVER allow any person or animal to battery will explode. stand underneath the equipment while lifting. „ DO NOT expose the battery to open fl ames, sparks, cigarettes, etc.
  • Page 13 SAFETY INFORMATION TOWING SAFETY „ Trailer should be adjusted to a level position at all times when towing. CAUTION „ Raise and lock trailer wheel stand in up position when „ Check with your local county or state safety towing. towing regulations, in addition to meeting „...

  • Page 14: 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 15 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 16 LIFTING AND TRANSPORTING LIFTING PROCEDURE 2. Insert forklift forks through the loops at the ends of the lifting slings (Figure 2). Keep the slings as close The correct lifting slings (Figure 1) have been supplied with to vertical as possible. If the choke angle (Figure 3) is your trowel, in accordance to its weight per Occupational 120 degrees or less, the lifting strength of the slings Safety and Health Administration (OSHA) Regulation...

  • Page 17: Specifications

    SPECIFICATIONS Table 2. HTN27-28 Trowel Specifications Operating Weight 780 lb. (354 kg) Shipping Weight 1,130 lb. (512.6 kg) Max. Rotor Speed (Dry Concrete) 140 rpm Path Width 91.0 in. (2,311 mm) Gearbox Oil Capacity 57 oz. (1.7 liters) Table 3. Kohler Engine Specifications Model Kohler CH740 Type...

  • Page 18: Dimensions

    DIMENSIONS Figure 4. HTN27-28 Dimensions Table 5. HTN27-28 Dimensions Measurement in. (cm) (A) Length 95.0 (241) (B) Width 48.0 (122) (C) Height 46.0 (117) PAGE 18 — HTN27-28 RIDE-ON TROWEL • OPERATION MANUAL — REV. #4 (10/08/19)

  • Page 19: General Information

    This manual is included with the trowel at components (see Figure 5 and Figure 6) like the engine, the time of shipping. Please contact your nearest Multiquip blades, air cleaner, fuel system, fuel shut-off valve, ignition dealer if a replacement manual is required.
  • Page 20 TROWEL COMPONENTS 1. Steering Control Levers — Direct the unit forward, 8. Spiders (2) — Consists of trowel arms, blades, wear reverse, left, or right. plate, and thrust collar. 2. Retardant Spray Control Button — Sprays retardant 9. Hour Meter — Indicates the number of hours the through the nozzle at the front of the machine.
  • Page 21 TROWEL COMPONENTS 13. Seat — The engine will neither start nor run unless the 19. EZ-Mover Boss — Rear attachment point for operator is seated. EZ-Mover. Used for transporting the trowel. 14. Rear Light — Rear-facing 12-volt halogen light. 20. Belt Guard — Encloses the drive belt used in conjunction with the clutch.
  • Page 22 ENGINE COMPONENTS K O H L E D P R M A N C O M IO N E C T L IN J F U E O N IC C T R E L E L E R K O H P R O K O H L E R...

  • Page 23: Setup

    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 24: Inspection

    INSPECTION ENGINE OIL LEVEL GEARBOX OIL LEVEL 1. Check the gearbox oil level in each gearbox (Figure 11) NOTICE by removing the fill plug and visually confirming the ALWAYS check engine oil before each use. oil level. GEARBOX 1. Pull the engine oil dipstick (Figure 9) from its holder. DIPSTICK FILL PLUG Figure 11.

  • Page 25: Operation

    OPERATION The instructions in this manual are provided as a basic 2. The right foot pedal (Figure 13) controls engine and guide to trowel operation, not a complete guide to concrete blade speed. The position of the foot pedal determines finishing.
  • Page 26 OPERATION STEERING 5. Keeping your foot off the right foot pedal, turn the ignition key (Figure 15) clockwise to start the engine. Two control levers located in front of the operator’s seat Be sure to start the engine at idle (without touching provide directional control for the trowel.
  • Page 27 OPERATION 3. Practice holding the machine in one place as you increase blade speed. When about 75% of maximum blade speed has been reached, the blade will be moving at proper finishing speed. The machine may be difficult to keep in one place. Trying to keep the trowel stationary is good practice for operation.

  • Page 28: Maintenance

    MAINTENANCE Every 3–6 Months At the front of this manual is a Daily Pre-Operation Checklist. Make copies of this checklist and use it on a Lubricate the miter boxes. daily basis. Every 6 Months When performing any maintenance on the trowel or engine, follow all safety messages at the beginning of this manual.
  • Page 29 MAINTENANCE Precleaner Service 1. Release the latches located on either side of the air cleaner cover and remove the cover. Wash and re-oil the precleaner element (if equipped) every 2. Remove the foam precleaner from the paper air cleaner 25 hours of operation. Service the precleaner element element.
  • Page 30 MAINTENANCE Check Air Cleaner Components CHANGING ENGINE OIL AND FILTERS Whenever the air cleaner cover is removed or the paper 1. Change the engine oil after the first 5 hours of use, element or precleaner is serviced, check the following: then every 6 months or 100 hours.
  • Page 31 MAINTENANCE Fuel Filter (200 Hours) „ Replace the engine fuel filter (Figure 19) every 200 hours. Figure 19. Fuel Filter (Typical) Oil and Fuel Lines „ Check the oil and fuel lines and connections regularly for leaks or damage. Repair or replace as necessary. „...
  • Page 32 MAINTENANCE (OLD STYLE CLUTCH) DRIVE MAINTENANCE (OLD STYLE CLUTCH) WIDTH LENGTH 1.00 IN. 3.25 IN. HEIGHT This section is intended to aid users in the maintenance of .75 IN. drive assemblies with an old-style Comet clutch. Checking the Drive Belt Figure 20.
  • Page 33 MAINTENANCE (OLD STYLE CLUTCH) Spare Drive Belt Replacement 4. If the belt will not be reused (recommended), cut the drive belt. Make sure all belt remnants are removed To replace the spare drive belt, the CV-joint must be from the pulleys. disconnected from the left-side gearbox.
  • Page 34 MAINTENANCE (OLD STYLE CLUTCH) Torque Converter Centrifugal force pushes the roller arms against the ramp plate, forcing the moveable face toward the fixed face and The HTN27-28 trowel is equipped with a torque converter squeezing the belt (Figure 28). which supplies torque to both the left and right gearboxes. CENTRIFUGAL FORCE The function of the torque converter is to automatically...
  • Page 35 MAINTENANCE (OLD STYLE CLUTCH) How It Works Clutch Refer to Figure 30. The clutch system provides a high pulley ratio (analogous to low gear) to start, and a low pulley ratio (analogous to high DRIVE gear) for high-speed operation, with continuous variation PULLEY between the two.
  • Page 36 MAINTENANCE (NEW STYLE CLUTCH) DRIVE MAINTENANCE (NEW STYLE CLUTCH) Drive Belt Guard Removal This section is intended to aid users in the maintenance of 1. To gain access to the drive belt, remove the drive belt drive assemblies with a new CVT multi-clutch. guard (Figure 32).
  • Page 37 MAINTENANCE (NEW STYLE CLUTCH) PULL UPWARDS 1. To replace an existing drive belt with the spare drive AND TOWARDS belt, remove the two bolts that secure the spare belt REAR OF TROWEL DRIVE BELT holder to the left-side gearbox bracket (Figure 33). Take care to not contaminate the replacement drive belt with grease or dirt.
  • Page 38 MAINTENANCE (NEW STYLE CLUTCH) Starting the Trowel/Testing 1. While sitting in the operator’s position, start the trowel. LEFT-SIDE Be sure to check the engine oil level prior to starting GEARBOX the engine. ADAPTER PLATE DANGER COUPLER The engine’s exhaust contains harmful emissions. ALWAYS have adequate ventilation when operating.
  • Page 39 MAINTENANCE (NEW STYLE CLUTCH) How It Works A continuously variable transmission (CVT) system consists of two variable clutches connected together via a V-belt. Each clutch has two tapered sides (sheaves) that keep the belt centered. One sheave is fixed to the shaft and does not move while the other one moves in and out, forcing the belt to a higher or lower position on the clutch sheaves.
  • Page 40 MAINTENANCE TROWEL LUBRICATION 3. Lubricate the Zerk grease fitting with 1–1½ shots of multipurpose grade grease. Replace the Zerk grease Regular lubrication is required to maintain your trowel fitting cap when finished. in optimal working condition. Schedule maintenance 4. Repeat steps 1–3 for the remaining grease fittings on lubrication according to Table 8 below.
  • Page 41 MAINTENANCE Pillow Block Bearings (Daily) Pitch Adjustment Levers (Monthly) Perform the following lubrication procedure after every Perform the following lubrication procedure once a month. 8 hours of use. 1. Locate the Zerk grease fitting next to the knob on either 1.
  • Page 42 MAINTENANCE Miter Box (Every 3 to 6 Months) Pitch Tower (Every 6 Months) Perform the following lubrication procedure once every Perform the following lubrication procedure once every 3 to 6 months. 6 months. 1. Locate the Zerk grease fitting on either miter box 1.
  • Page 43 MAINTENANCE BLADE PITCH TROWEL ARM ADJUSTMENT Use the following procedure to check and adjust trowel Matching Blade Pitch for Both Sets of Blades arms when it becomes apparent that the trowel is finishing Sometimes it may be necessary to match blade pitch poorly or in need of routine maintenance.
  • Page 44 MAINTENANCE Trowel Blade Removal Figure 48 illustrates the correct alignment for a spider plate as shipped from the factory. 1. Remove the trowel blades from the trowel arm by GEARBOX removing the three hex head bolts (Figure 50) from the trowel arm. Set the blades aside. TROWEL MOUNTING BAR BLADE...
  • Page 45 MAINTENANCE 3. Should the trowel arm insert (bronze bushing) come 1. Use a thick steel plate, granite slab, or any surface out with the trowel arm, remove the bushing from the which is true and flat (Figure 54) to check all six sides trowel arm and set it aside in a safe place.
  • Page 46 MAINTENANCE Trowel Arm Adjustment TROWEL ARM TROWEL FIXTURE FIXTURE (PLACED IN ADJUSTMENT Figure 55 illustrates the trowel arm adjustment tool FIXTURE CHANNEL) LEVER BOLT (P/N 9177) with a trowel arm inserted. As each trowel arm is locked into the tool, the arm bolt is adjusted until it SHIM DISTANCE = .010 in.
  • Page 47 MAINTENANCE 7. Lock the trowel arms in place by tightening the Zerk 3. Attach the blade tie-downs to the far side of the Z-clip grease fitting hex head bolts and jam nuts. brackets using the tie-down knobs. 8. Reinstall the blades onto the trowel arms. 4.

  • Page 48: Troubleshooting

    TROUBLESHOOTING (TROWEL) 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 49 TROUBLESHOOTING (TROWEL) 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 light Lights (optional) not working.
  • Page 50 TROUBLESHOOTING (ENGINE) Engine Troubleshooting Symptom Possible Problem Solution Fuel tank is empty. Fill fuel tank. Shut-off valve is closed. Open fuel shut-off valve. Check fuel line condition and fuel line clamps. Ensure that fuel line is not Fuel line has suction leak or is kinked.
  • Page 51 TROUBLESHOOTING (ENGINE) Engine Troubleshooting (Continued) Symptom Possible Problem Solution Air cleaner is obstructed. Replace air cleaner. Altitude causes 3% loss of If available, install high altitude jets in horsepower per 1000 feet of altitude. carburetor. Choke is partially closed. Open choke. Replace spark plugs or spark plug Faulty spark plugs or spark plug leads if faulty.
  • Page 52 © 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.

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