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Flextool MQ WHITEMAN CA4HC Operating Instructions Manual

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OPERATING INSTRUCTIONS
MQ WHITEMAN WALK-BEHIND TROWEL
MODEL CA4HC
U.S. Revision #1 (06/24/20)
AUS Version 1.0 (July 2021)
FOR MORE INFORMATION
EXCLUSIVE TO
CONTACT US ON 1300 353 986 OR VISIT flextool.com.au

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  • Page 1 ® OPERATING INSTRUCTIONS MQ WHITEMAN WALK-BEHIND TROWEL MODEL CA4HC U.S. Revision #1 (06/24/20) AUS Version 1.0 (July 2021) FOR MORE INFORMATION EXCLUSIVE TO CONTACT US ON 1300 353 986 OR VISIT flextool.com.au...
  • Page 2 OPERATION MANUAL MODEL CA4HC WALK-BEHIND TROWEL (HONDA GX120 GASOLINE ENGINE) Revision #1 (06/24/20) 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: 21768...

  • Page 3: Proposition 65 Warning

    PROPOSITION 65 WARNING PAGE 2 — CA4HC WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #1 (06/24/20)

  • Page 4: 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 5: Table Of Contents

    TABLE OF CONTENTS CA4HC Walk-Behind Trowel Proposition 65 Warning ........... 2 Silicosis/Respiratory Warnings ........ 3 Table of Contents ............. 4 Training Checklist ............ 5 Daily Pre-Operation Checklist ......... 6 Safety Information ..........7–12 Lifting and Transporting ......... 13 Specifications ............14 Dimensions ............

  • 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 controls (machine not running). Safety controls, safety stop switch operation. Emergency stop procedures. Startup of machine, engine choke. Maintaining a hover.

  • Page 7: Daily Pre-Operation Checklist

    DAILY PRE-OPERATION CHECKLIST Daily Pre-Operation Checklist       Engine oil level Gearbox oil level Condition of blades Blade pitch operation Safety stop switch operation PAGE 6 — CA4HC WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #1 (06/24/20)

  • Page 8: Safety Information

    SAFETY INFORMATION DO NOT operate or service the equipment before reading Potential hazards associated with the operation of this equipment will be referenced with hazard symbols which the entire manual. Safety precautions should be followed 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 safe operation of this equipment CAUTION are defi ned below: „ DO NOT operate this equipment without proper protective clothing, shatterproof glasses, respiratory protection, hearing protection, steel-toed boots and other protective WARNING devices required by the job or city and state regulations.
  • Page 10 SAFETY INFORMATION TROWEL SAFETY NOTICE „ This equipment should only be operated by trained and DANGER qualifi ed personnel 18 years of age and older. „ Engine fuel exhaust gases contain poisonous carbon „ Replace nameplate, operation and safety decals monoxide.
  • Page 11 SAFETY INFORMATION ENGINE SAFETY CAUTION „ DO NOT stand on the trowel during operation. WARNING „ NEVER lubricate components or attempt service on a „ DO NOT place hands or fingers inside the engine running machine. compartment while the engine is running. „...
  • Page 12 SAFETY INFORMATION FUEL SAFETY TRANSPORTING SAFETY DANGER WARNING „ DO NOT add fuel to the equipment if it is placed inside „ DO NOT allow any person or animal a truck bed with a plastic liner. The possibility exists of to stand underneath the equipment explosion or fi re due to static electricity.
  • Page 13 SAFETY INFORMATION ENVIRONMENTAL SAFETY/DECOMMISSIONING EMISSIONS INFORMATION NOTICE NOTICE Decommissioning is a controlled process used to safely The gasoline engine used in this equipment has been retire a piece of equipment that is no longer serviceable. designed to reduce harmful levels of carbon monoxide If the equipment poses an unacceptable and unrepairable (CO), hydrocarbons (HC), and nitrogen oxides (NOx) safety risk due to wear or damage or is no longer cost...

  • Page 14: Lifting And Transporting

    LIFTING AND TRANSPORTING LIFTING THE TROWEL Lifting Bail The lifting bail provides an optimal lift point for the trowel. WARNING When lifting the trowel onto a concrete slab, attach a chain Extra care should be taken when lifting the trowel. or rope to the lifting bail.

  • Page 15: Specifications

    SPECIFICATIONS Table 1. CA4HC Trowel Specifications Table 2. Honda Engine Specifications Number of Blades Model Honda GX120UT3QX2 Ring Diameter 24 in. (610 mm) Air-cooled, 4-stroke, overhead valve, Type gasoline engine Rotor Speed 70–130 rpm Bore × Stroke 2.4 in. × 1.7 in. (60 mm × 42 mm) Path Width 24 in.

  • Page 16: Dimensions

    DIMENSIONS Figure 2. CA4HC Dimensions Dimensions Table 4. CA4HC (A) Height (Lifting Bail) 28.0 in. (711 mm) (B) Height (Handle) 36.3 in. (921 mm) (C) Width 24.0 in. (610 mm) (D) Length 61.2 in. (1,555 mm) CA4HC WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #1 (06/24/20) — PAGE 15...

  • Page 17: General Information

    GENERAL INFORMATION INTENDED USE Gearbox Operate this trowel, its components and tools in accordance The gearbox is located beneath the engine and transfers with the manufacturer’s instructions. Use of any other tools power to the spider assembly. The gearbox controls the for stated operation is considered contrary to designated rotational speed of the trowel and is equipped with two use.
  • Page 18 NOTES CA4HC WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #1 (06/24/20) — PAGE 17...

  • Page 19: Components (Trowel)

    COMPONENTS (TROWEL) Figure 3. Trowel Components PAGE 18 — CA4HC WALK-BEHIND TROWEL • OPERATION MANUAL — REV. #1 (06/24/20)
  • Page 20 COMPONENTS (TROWEL) Figure 3 shows the location of the basic trowel components. 11. Trowel Arms (4) — Blades or float pans are attached to the trowel arms. DO NOT operate the trowel with a A brief description of each component is listed below. bent, broken, or out-of-adjustment trowel arm.

  • Page 21: Components (Engine)

    COMPONENTS (ENGINE) CAUTION NEVER disable or disconnect the engine ON/OFF switch. It is provided for operator safety. Injury may result if it is disabled, disconnected, or improperly maintained. 5. Recoil Starter — Manual starting mechanism. Pull the starter grip slowly until resistance is felt, then pull briskly and smoothly to start the engine.

  • Page 22: Setup

    SETUP ASSEMBLY AND INSTALLATION 1. Make sure that the Quick Pitch™ trigger (Figure 6) has been attached to the upper handlebar and the pitch Some components must be installed before the trowel can control cable has slack. be operated. This section provides general instructions on how to install these components.
  • Page 23 SETUP Throttle Cable Installation 4. Loosen the cable housing clamp screw and the swivel stop screw (Figure 8). NOTICE SWIVEL The throttle cable length is preset and installed in the STOP SCREW throttle lever at the factory. CABLE SWIVEL 1. Set the throttle lever to the idle position (lever away STOP HOLE ADJUSTER from the operator).
  • Page 24 SETUP Blade Pitch Cable Installation 3. Remove any nuts from the pitch cable end. Insert the cable through the yoke eyelet (Figure 12). 1. For trowels equipped with a standard handle, turn the star wheel counterclockwise to release tension on the blade pitch cable.
  • Page 25 SETUP Float Pan Installation (Optional) Float pans attach to the trowel blades and allow the trowel to ‘float’ on wet concrete. The disc design allows early floating and easy movement from wet to dry areas. Float pans are also very effective at embedding large aggregates and surface hardeners.

  • Page 26: Inspection

    INSPECTION BEFORE STARTING Table 5. Engine Oil Type Season Temperature Oil Type 1. Clean the trowel, particularly the engine cooling air inlet. Remove all dirt and dust. Summer 25°C or Higher SAE 10W-30 Spring/Fall 25°C–10°C SAE 10W-30/20 2. Inspect the engine air cleaner for dirt and dust. Replace the air cleaner if it is dirty.
  • Page 27 INSPECTION BELT GUARD 2. If gearbox oil is low, remove the drain/fill plug (Figure 16) and fill with Chevron Cetus HiPerSYN 460 synthetic Inspect the belt guard (Figure 18) for damage and loose gear oil until the correct oil level is reached. Replace or missing hardware.

  • Page 28: Operation

    OPERATION This section is intended to assist the operator with the initial 3. If starting a cold engine, place the choke lever in the CLOSED position (Figure 22). startup of the walk-behind trowel. It is extremely important that this section be read carefully before attempting to use the trowel in the field.
  • Page 29 OPERATION TO BEGIN TROWELING 5. Place the engine ON/OFF switch in the ON position (Figure 24). Place the throttle lever (Figure 26) in the RUN position. POSITION THROTTLE LEVER ENGINE SWITCH Figure 26. Throttle Lever (Run) Figure 24. Engine ON/OFF Switch (ON) PITCHING THE BLADES 6.
  • Page 30 OPERATION Quick Pitch™ Handle 2. After the engine has cooled, place the engine ON/OFF switch in the OFF position (Figure 30). To pitch the blades upward with the Quick Pitch™ handle (Figure 28), pull the trigger backward while squeezing the trigger lock.
  • Page 31 OPERATION MANEUVERING THE TROWEL 1. Stand in the operator’s position behind the handle. With 3. Continue to practice maneuvering the trowel as if secure footing and a firm grasp on the handle, slowly finishing a slab of concrete. Practice edging and increase the engine speed until the desired blade speed covering a large area.

  • Page 32: Options

    OPTIONS HANDLES Quick Pitch™ Handle (Optional) Standard Handle The optional Quick Pitch™ handle (Figure 34) allows the operator to quickly and easily adjust blade pitch using The standard handle (Figure 33) is equipped with a star a spring-loaded trigger handle. Refer to the Operation wheel for blade pitch adjustment.
  • Page 33 OPTIONS BLADES AND PANS Trowel blades are essential for finishing concrete. The blades of this trowel were built to stringent quality standards from the finest steel. Trowel blades should be replaced when they fail to finish concrete in a satisfactory manner. If replacement blades are needed, refer to the parts manual provided with your trowel for part numbers, and order from your Multiquip parts dealer or importer.

  • Page 34: Maintenance

    MAINTENANCE Table 6. Engine Maintenance Schedule Every 3 Every 6 Every 2 Before First Month Every Year Description Operation Months or Months or Years or Each Use or 10 Hrs. or 100 Hrs. 25 Hrs. 50 Hrs. 200 Hrs. Check Engine Oil Change Check...
  • Page 35 MAINTENANCE ENGINE MAINTENANCE General maintenance practices are crucial to the performance and longevity of your trowel. This equipment Inspect the engine daily for cleanliness, oil or fuel leakage, requires routine cleaning, lubrication, and inspection of and loose fasteners. components for wear or damage. Air Cleaner Refer to Table 6 and Table 7 to schedule engine and trowel maintenance.
  • Page 36 MAINTENANCE 3. Clean the foam element in warm, soapy water or a nonflammable solvent. Rinse and dry thoroughly. Dip the element in clean engine oil and completely squeeze out the excess oil from the element before reinstalling. NOTICE Operating the engine with loose or damaged air cleaner components can allow unfiltered air into the engine, causing premature wear and failure.
  • Page 37 MAINTENANCE Spark Arrester 5. Reinstall the spark arrester, muffler protector, and exhaust deflector in reverse order of disassembly. 1. Remove and retain the four 5 mm screws securing the NOTICE muffler protector to the muffler (Figure 41). Remove the muffler protector and set it aside. Refer to the manufacturer’s engine manual supplied with your trowel for more detailed information about engine maintenance and troubleshooting.
  • Page 38 MAINTENANCE 2. Wipe the Zerk grease fitting clean to prevent abrasive Once it has been determined that blade pitch adjustment material from entering the fitting during lubrication. is required, do the following: 3. Lubricate the Zerk grease fitting with 1 to 1½ shots 1.
  • Page 39 MAINTENANCE Figure 46 illustrates incorrect spider plate alignment due to improper adjustment, worn spider bushings, or bent GEARBOX trowel arms. PITCH ADJUSTMENT BOLT LOWER WEAR PLATE GEARBOX SHAFT THRUST COLLAR BEARING THRUST ‘DISHED’ EFFECT ON COLLAR FINISHED CONCRETE Figure 46. Blades Pitched Flat (Incorrect) Spider Removal 1.
  • Page 40 MAINTENANCE Trowel Arm Removal 3. Wire brush and remove all concrete and debris from all six sides of the trowel arm. This is important to properly Remove the two remaining Zerk grease fittings and Allen seat the new blade. head screws from the spider assembly (Figure 48). 4.

  • Page 41: Troubleshooting (Trowel)

    TROUBLESHOOTING (TROWEL) Troubleshooting (Walk-Behind Trowel) Symptom Possible Problem Solution Engine ON/OFF switch in OFF position Make sure that the Engine ON/OFF switch is ON or malfunctioning? or replace switch if necessary. Centrifugal ON/OFF switch in OFF Place centrifugal stop switch in ON position. position or malfunctioning? Check wiring.
  • Page 42 TROUBLESHOOTING (TROWEL) Troubleshooting (Walk-Behind Trowel) - continued Symptom Possible Problem Solution The main output shaft of the gearbox assembly should be checked for straightness. Main shaft? The main shaft must run straight and cannot be more than 0.003" (0.08 mm) out of round at the spider attachment point.

  • Page 43: Troubleshooting (Engine)

    TROUBLESHOOTING (ENGINE) 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 44 TROUBLESHOOTING (ENGINE) Troubleshooting (Engine) - continued Symptom Possible Problem Solution Air cleaner dirty? Clean or replace air cleaner. Improper level in carburetor? Check fl oat adjustment, rebuild carburetor. Weak in power, compression is proper and does not misfi re. Defective spark plug? Clean or replace spark plug.
  • Page 45 OPERATION MANUAL HERE’S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING UNITED STATES Multiquip Inc. (310) 537- 3700 6141 Katella Avenue Suite 200 Cypress, CA 90630 E-MAIL: mq@multiquip.com WEBSITE: www.multiquip.com UNITED KINGDOM CANADA Multiquip Multiquip (UK) Limited Head Offi...
  • Page 46 Design and technical specifications may be subject to changes. © This publication is copyright. All rights are reserved. Flextool is a registered trade mark of Parchem Construction Supplies Pty Ltd. Multiquip, MQ and Whiteman are registered trade marks of Multiquip Inc.

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