Wacker Neuson CRT 48-31V Operator's Manual
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Wacker Neuson CRT 48-31V Operator's Manual

Ride-on trowels
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Ride-On Trowels
CRT 48-31V
OPERATOR'S MANUAL
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  • Page 1 0154550en 1006 Ride-On Trowels CRT 48-31V OPERATOR’S MANUAL...

  • Page 3: Table Of Contents

    CRT 48-31V Table of Contents Foreword Safety Information Laws Pertaining to Spark Arresters ............4 Operating Safety .................. 5 Operator Safety while using Internal Combustion Engines ....6 Service Safety ..................7 Label Locations ..................8 Safety and Operating Labels .............. 10 Technical Data Engine ....................
  • Page 4 Table of Contents CRT 48-31V Maintenance Periodic Maintenance Schedule ............25 Trowel Gearboxes ................26 Control Linkage Lubrication ..............27 Control Arm Adjustment (Forward or Backward) .........27 Right-hand Control Arm Adjustment (Right or Left) ......28 Switching Blade Positions ..............29 Mounting Float Pans ................30 Transporting Trowels ................31...

  • Page 5: Foreword

    Foreword This manual provides information and procedures to safely operate and maintain this Wacker model. For your own safety and protection from injury, carefully read, understand and observe the safety instructions described in this manual. Keep this manual or a copy of it with the machine. If you lose this manual or need an additional copy, please contact Wacker Corporation.

  • Page 6: Safety Information

    Safety Information CRT 48-31V Safety Information This manual contains DANGER, WARNING, CAUTION, NOTICE and NOTE callouts which must be followed to reduce the possibility of personal injury, damage to the equipment, or improper service. This is the safety alert symbol. It is used to alert you to potential personal injury hazards.

  • Page 7: Operating Safety

    2.2.4 NEVER use accessories or attachments that are not recommended by Wacker. Damage to equipment and injury to the user may result. 2.2.5 NEVER operate the machine with the beltguard missing. Exposed drive belt and pulleys create potentially dangerous hazards that can cause serious injuries.

  • Page 8: Operator Safety While Using Internal Combustion Engines

    Safety Information CRT 48-31V Operator Safety while using Internal Combustion Engines Internal combustion engines present special hazards during operation and fueling. Read and follow the warning instructions in the engine owner’s manual and the safety guidelines below. Failure to follow the DANGER warnings and safety guidelines could result in severe injury or death.

  • Page 9: Service Safety

    A hot muffler could ignite the debris and start a fire. 2.4.8 ALWAYS replace worn or damaged components with spare parts designed and recommended by Wacker Corporation. 2.4.9 ALWAYS disconnect the spark plug on machines equipped with gasoline engines, before servicing, to avoid accidental start-up.

  • Page 10: Label Locations

    Safety Information CRT 48-31V Label Locations wc_si000049gb.fm...
  • Page 11 CRT 48-31V Safety Information wc_si000049gb.fm...

  • Page 12: Safety And Operating Labels

    Safety Information CRT 48-31V Safety and Operating Labels Wacker machines use international pictorial labels where needed. These labels are described below: Label Meaning DANGER! No sparks, flames or burning objects near machine. CAUTION! Use only clean, filtered gasoline fuel. Water tank fill. Use only clean water or water- based retardants.
  • Page 13 CRT 48-31V Safety Information Label Meaning WARNING! Cutting hazard. Always replace blade guard! WARNING! Pressurized contents. Do not open when hot! WARNING! Always wear hearing and eye protection when operating this machine. Read the operator's manual for machine information. WARNING! Hand injury if caught in moving belt.
  • Page 14 Blade pitch control. Turn both controls inward to increase blade pitch. Refer to section Pitch Adjustment. Operator’s Manual must be stored on machine. Replacement Operator’s Manual can be ordered through your local Wacker distributor. Steering control. Refer to section Steering. wc_si000049gb.fm...
  • Page 15 CRT 48-31V Safety Information Label Meaning WARNING! Remove pan from trowel before lifting machine R e m o v e p a n f r o m t r o w e l b e f o r e l i f t i n g m a c h i n e o v e r h e a d .
  • Page 16 Safety Information CRT 48-31V Label Meaning A nameplate listing the model number, item number, revision number, and serial number is attached to each unit. Please record the information found on this plate so it will be available should the nameplate become lost or damaged.

  • Page 17: Technical Data

    CRT 48-31V Technical Data Technical Data Engine Part No. CRT 48-31V CRT 48-31V-E 0009086 0009481 Engine Engine Make Vanguard Engine Model DM950G Rated Power kW (Hp) 23.1 (31) Displacement cm³ (in³) 950 (58) Spark Plug type Champion RC12YC Electrode Gap 0.76 (0.030)

  • Page 18: Trowel

    Technical Data CRT 48-31V Trowel Part No. CRT 48-31V CRT 48-31V CRT 48-31V-E CRT 48-31V-E 0009086 0009086 0009481 0009481 Rev. 145 Rev. 146 Rev. 120 Rev. 121 and lower and higher and lower and higher Trowel Operating Weight kg (lbs.)

  • Page 19: Sound And Vibration Specifications

    CRT 48-31V Technical Data Sound and Vibration Specifications The required sound specification, Paragraph 1.7.4.f of 89/392/EEC Machinery Directive, is: • the sound pressure level at operator’s location (L ) 91 dB(A) • the guaranteed sound power level (L ) 109 dB(A)

  • Page 20: Operation

    All WACKER Riding Trowels are equipped with a fail-safe kill circuit and a low oil shutdown or low oil alert for added job safety and engine protection.
  • Page 21 CRT 48-31V Operation See Graphic: wc_gr000250 Control locations and functions: Ref. Description Ref. Description right pitch control engine choke control water tank work light switch control arms DC accessory outlet operator’s seat with “operator pres- engine keyswitch ence” switch left pitch control...

  • Page 22: New Machines

    Operation CRT 48-31V New Machines See Graphic: wc_gr001252 4.3.1 To break in the gearboxes, run the engine at 50% of full throttle for the first 2–4 hours. This will prevent premature wear and extend gear life. NOTICE: Running the engine at full throttle during the break-in period could result in premature gear failure.

  • Page 23: Before Starting

    CRT 48-31V Operation Before Starting Before starting the trowel, check the following: • fuel level • oil level in the engine • condition of the air filter • condition of trowel arms and blades Grease the trowel arms daily. Starting Before starting the operator must know the location and function of all controls.

  • Page 24: Stopping

    To stop the engine, turn the keyswitch to “O” (off). Operation To utilize your WACKER Riding Trowel to its fullest capacity, the machine should be driven in the direction that the operator is facing. This will finish the widest possible area, while giving the operator an excellent view of the slab surface about to be troweled.

  • Page 25: Steering

    CRT 48-31V Operation Steering See Graphic: wc_gr000689 Refer to the illustration for the necessary hand motions to move the trowel in the desired direction, described below. 1 - forward 2 - reverse 3 - rotate clockwise 4 - rotate counter-clockwise...

  • Page 26: Pitch Adjustment

    Operation CRT 48-31V Pitch Adjustment See Graphic: wc_gr000147 When changing or setting the pitch (angle) of the trowel blades, slow the machine, set the desired pitch on the left side of the machine, then adjust the right side to match.

  • Page 27: Periodic Maintenance Schedule

    CRT 48-31V Maintenance Maintenance Periodic Maintenance Schedule The chart below lists basic trowel and engine maintenance. Refer to engine manufacturer’s Operator’s Manual for additional information on engine maintenance. A copy of the engine Operator’s Manual was supplied with the machine when it was shipped. To service the engine, tilt the seat forward.

  • Page 28: Trowel Gearboxes

    Maintenance CRT 48-31V Trowel Gearboxes See Graphic: wc_gr000156 Check the gearboxes for the correct oil level after every 20 hours of operation. Change the gearbox oil every 300 hours. To check the oil level: Each CRT gearbox is equipped with two oil fill plugs. Remove one gearbox oil fill plug (b).

  • Page 29: Control Linkage Lubrication

    CRT 48-31V Maintenance Control Linkage Lubrication The drive system, gearbox and pitch posts are equipped with several grease fittings. Grease these fittings once a week, or every 20 hours, to prevent wear. Use a general purpose grease and add one to two shots of grease at each fitting.

  • Page 30: Right-Hand Control Arm Adjustment (Right Or Left)

    Maintenance CRT 48-31V Right-hand Control Arm Adjustment (Right or Left) See Graphic: wc_gr002339 The right-hand arm should be set to be perfectly parallel to the left- hand arm. Should the arms come out of adjustment, adjust the right- hand arm as follows: 5.5.1...

  • Page 31: Switching Blade Positions

    CRT 48-31V Maintenance Switching Blade Positions See Graphic: wc_gr000255 To switch the position of the blades from the non-overlapping position (f) to the overlapping position (g): 5.6.1 Place the trowel on a flat, level surface. 5.6.2 Remove the screws (a) holding the blade to the trowel arm.

  • Page 32: Mounting Float Pans

    Maintenance CRT 48-31V Mounting Float Pans See Graphic: wc_gr000275 Certain applications may require the use of float pans. Optional float pans (a) are available, and are used with the machines in the non- overlapping configuration only. To mount float pans: Lift trowel off the ground with the engine off and position the pan against the blades.

  • Page 33: Transporting Trowels

    CRT 48-31V Maintenance Transporting Trowels See Graphic: wc_gr00252 To lift the trowel with a fork lift: Fork lift pockets (a) are provided on both the front and back of the machine. Carefully run the fork lift’s forks into either set of fork lift pockets.

  • Page 34: Drive Belt

    Maintenance CRT 48-31V Drive Belt 0009481 Revs. 125 and higher See Graphic: wc_gr003665 0009086, 0009481 Revs. 124 and lower See Graphic: wc_gr000152 To replace the drive belt: 5.9.1 Place the trowel on a flat, level surface with the blades pitched flat.
  • Page 35 CRT 48-31V Maintenance wc_tx000142gb.fm...

  • Page 36: Battery Jump Start Procedure

    Maintenance CRT 48-31V 5.10 Battery Jump Start Procedure Occasionally, it may be necessary to jump start a weak battery. If jump starting is necessary, the following procedure is recommended to prevent starter damage, battery damage, and personal injuries. Jump starting a battery incorrectly can cause battery to explode, resulting in severe personal injury or death.

  • Page 37: Spark Plug

    CRT 48-31V Maintenance 5.11 Spark Plug Clean or replace spark plug as needed to ensure proper operation. Refer to the engine Owner’s Manual. Recommended Plug: Champion RC12YC The muffler and engine cylinder become very hot during operation and remain hot for a while after stopping the engine. Allow engine to cool before removing spark plug.

  • Page 38: Air Cleaner

    Maintenance CRT 48-31V 5.12 Air Cleaner See Graphic: wc_gr000216 To service: 5.12.1 Unlock clamps (d) and remove cover (c). 5.12.2 Remove cartridge (b) from air cleaner body (a). Clean by gently tapping cartridge. (Replace cartridge if very dirty or damaged.) 5.12.3 Carefully clean out air cleaner cover (c).

  • Page 39: Engine Oil

    CRT 48-31V Maintenance 5.13 Engine Oil See Graphic: wc_gr000217 Drain oil while engine is still warm. 5.13.1 Remove oil fill cap (a) and drain plug (b) to drain oil. Note: In the interests of environmental protection, place a plastic sheet and a container under the machine to collect any liquid which drains off.

  • Page 40: Troubleshooting

    Maintenance CRT 48-31V 5.14 Troubleshooting Problem Reason Remedy Engine does not start. Operator present switch is Sit in operator's seat. not engaged. Oil alert shutdown feature is Add oil to engine. activated. Engine problem. Consult engine manufac- turer’s service manual.
  • Page 41 CRT 48-31V Maintenance Problem Reason Remedy Machine does not move. Drive belt broken. Replace drive belt. Vacuum between bottom of Change pitch on blades to blades and surface of con- break suction. crete. Key sheared in the main Replace damaged key.
  • Page 42 Maintenance CRT 48-31V Notes wc_tx000142gb.fm...
  • Page 44 Trowel.qxd 11/24/04 10:18 AM Page 1 SAFETY ALERT SYMBOL This Safety Alert Symbol means Why is SAFETY important to YOU? ATTENTION is required! 3 BIG REASONS • Accidents KILL or DISABLE The Safety Alert Symbol identifies important safety messages on machines, safety signs, in manuals •...
  • Page 45 Trowel.qxd 11/24/04 10:18 AM Page 3 TABLE OF CONTENTS Page WORD OF EXPLANATION ..............2 FOREWORD..................4 A WORD TO THE USER ..............5 FOLLOW A SAFETY PROGRAM ............6 PREPARE FOR SAFE OPERATION ..........7 START SAFELY ................11 WORK SAFELY ................13 SHUT DOWN SAFELY ..............15 LOAD AND UNLOAD SAFELY ............16 PERFORM MAINTENANCE SAFELY ..........17 TEST YOUR KNOWLEDGE ..............22...

  • Page 46: A Word To The User

    Trowel.qxd 11/24/04 10:18 AM Page 5 A WORD TO THE USER Remember that YOU are the key to safety. Good safety practices not only protect you but also protect the people around you. It is your responsibility to study this manual and the manufacturer’s manual(s) for your specific machine before operating your machine.

  • Page 47: Prepare For Safe Operation

    Trowel.qxd 11/24/04 10:18 AM Page 7 PREPARE FOR SAFE OPERATION LEARN TO BE SAFE SAFETY DEVICES • Read the operator’s Know what safety devices your trowel is equipped manual. If one has not with … and see that each item is securely in place been provided, get one and and in operating condition.
  • Page 48 Trowel.qxd 11/24/04 10:18 AM Page 9 PREPARE FOR SAFE OPERATION FIRE PREVENTION Inspect electrical wiring for damage or wear. Always stop the engine and allow it to cool before Batteries produce explosive gas. Keep open flame refueling. or sparks away. Never refuel –...

  • Page 49: Start Safely

    Trowel.qxd 11/24/04 10:18 AM Page 11 START SAFELY START CORRECTLY – START SAFELY • For trowels that use this feature, ensure that the emergency stop switch is in the ON position. Before starting, check for proper functioning of all operation and shutdown controls. Check all •...

  • Page 50: Work Safely

    Trowel.qxd 11/24/04 10:18 AM Page 13 WORK SAFELY SAFE WORKING PROCEDURES • Never fill the fuel tank while the engine is running. Turn the engine off and allow it to cool DANGER – CARBON MONOXIDE before refueling. Exhaust from the engine contains •...

  • Page 51: Shut Down Safely

    Trowel.qxd 11/24/04 10:18 AM Page 15 SHUT DOWN SAFELY SHUT DOWN PROCEDURES Never disable or disconnect the safety devices! Always close fuel valves when the machine is not being used. Refer to the manufacturer’s manuals for specific shut down procedures. Trowel.qxd 11/24/04 10:18 AM...

  • Page 52: Perform Maintenance Safely

    Trowel.qxd 11/24/04 10:18 AM Page 17 PERFORM MAINTENANCE SAFELY SERVICE AND MAINTENANCE SAFETY GENERAL PROCEDURES Poorly maintained equipment Do not perform any work on the trowel unless you can become a safety hazard! In are authorized to do so. order for your trowel to operate Standard maintenance procedures should always safely and properly over a long be observed.
  • Page 53 Trowel.qxd 11/24/04 10:18 AM Page 19 PERFORM MAINTENANCE SAFELY FIRE PREVENTION Store all flammable fluids and materials away from your work area. Avoid fire hazards. Whenever the sparkplug is removed, do not test for Always stop the engine and allow it to cool before spark on gasoline powered engines if engine is you refuel the trowel.

  • Page 54: Test Your Knowledge

    Trowel.qxd 11/24/04 10:18 AM Page 21 PERFORM MAINTENANCE SAFELY TROWEL BLADES AND PANS HYDRAULIC SYSTEMS • Do not attempt to clean, service or perform Hydraulic fluid systems operate under high adjustments on the trowel while it is running. pressure. Even a small leak can have enough force to penetrate the eyes or skin.

  • Page 55: A Final Word To The User

    Trowel.qxd 11/24/04 10:18 AM Page 23 A FINAL WORD TO THE USER Remember that YOU are the key to safety. Good safety practices not only protect you but protect the people around you. You have read this safety manual and the manufacturer’s manual(s) for your specific trowel.
  • Page 56 AEM_ConcretePowerTrowel.qxd 7/23/03 6:31 AM Page 1...
  • Page 57 EC DECLARATION OF CONFORMITY CE-KONFORMITÄTSERKLÄRUNG DECLARACIÓN DE CONFORMIDAD DE LA CE DÉCLARATION DE CONFORMITÉ C.E. WACKER CORPORATION, N92 W15000 ANTHONY AVENUE, MENOMONEE FALLS, WISCONSIN USA WACKER CONSTRUCTION EQUIPMENT AG AUTHORIZED REPRESENTATIVE IN THE EUROPEAN UNION BEVOLLMÄCHTIGTER VERTRETER FÜR DIE EUROPÄISCHE GEMEINSCHAFT Preußenstraße 41...
  • Page 58 Wacker Corporation · P.O. Box 9007 · Menomonee Falls, WI 53052-9007 · Tel. : (262) 255-0500 · Fax: (262) 255-0550 · Tel. : (800) 770-0957 Wacker Asia Pacific Operations · Skyline Tower, Suite 2303, 23/F · 39 Wang Kwong Road, Kowloon Bay, Hong Kong · Tel. +852 2406 60 32 · Fax: +852 2406 60 21...

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