Operation Manual SERIES MODEL hhng5 ride-on trowel (VANGUARD 540000 GASOLINE ENGINE) Revision #0 (07/16/13) To find the latest revision of this publication, visit our website at: www.multiquip.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
Proposition 65 Warning Engine exhaust and some of 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. Crystalline silicafrombricks. Cementandothermasonryproducts. Arsenicandchromiumfromchemically treatedlumber.
Silicosis/Respiratory Warnings WARNING WARNING SILICOSIS WARNING RESPIRATORY HAZARDS Grinding/cutting/drilling of masonry, concrete, metal and other materials with silica in their composition may give off dust or mists containing crystalline silica. Silica is a basic component of sand, quartz, brick clay, granite and numerous other minerals and rocks. Repeated and/or substantial inhalation of airborne crystalline silica can cause serious or fatal respiratory diseases, including silicosis.
Table of Contents HHNG5 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).............................
notes HHNG5 RIDE-ON TROWEL • operation manual — rev.
training checklist Training Checklist No. description 1 Read operation manual completely. 2 Machine layout, location of components, checking of engine oil level. 3 Fuel system, refueling procedure. 4 Operation of spray and lights. 5 Operation of controls (machine not running). 6 Safety controls, safety stop switch operation. 7 Emergency stop procedures. 8 Startup of machine, pre-heat, engine choke. 9 Maintaining a hover. 10 Maneuvering. 11 Pitching. 12 Matching blade pitch.
daily pre-operation checklist daily Pre-Operation Checklist 1 Engine oil level 2 Radiator coolant level 3 Condition of blades 4 Blade pitch operation 5 Safety stop switch operation 6 Steering control operation HHNG5 RIDE-ON TROWEL • operation manual — rev.
Safety Information Do not operate or service the equipment before reading the entire manual. Safety precautions should be followed at all times when operating this equipment. Failure to read and understand the safety messages and operating instructions could result in injury to yourself and others. Potential hazards associated with the operation of this equipment will be referenced with hazard symbols which may appear throughout this manual in conjunction with safety messages.
Safety Information GENERAl SAFETY CauTION NeveR operate this equipment without proper protective clothing, shatterproof glasses, respiratory protection, hearing protection, steel-toed boots and other protective devices required by the job or city and state regulations. Avoid wearing jewelry or loose fitting clothes that may snag on the controls or moving parts as this can cause serious injury. NeveR operate this equipment when not feeling well due to fatigue, illness or when under medication.
Safety Information TROwEl SAFETY NOTICE AlwAYS keep the machine in proper running condition. dANGER Engine fuel exhaust gases contain poisonous carbon monoxide. This gas is colorless and odorless, and can cause death if inhaled. The engine of this equipment requires an adequate free flow of cooling air. NeveR operate this equipment in any enclosed or narrow area where free flow of the air is restricted.
Safety Information BaTTeRy SaFeTy NOTICE NeveR run engine without an air filter or with a dirty air filter. Severe engine damage may occur. Service air filter frequently to prevent engine malfunction. NeveR tamper with the factory settings of the engine or engine governor. Damage to the engine or equipment can result if operating in speed ranges above the maximum allowable. FueL SaFeTy dANGER dANGER dO NOT drop the battery. There is a possibility that the battery will explode.
Safety Information TRANSPORTiNG SAFETY CauTION NeveR allow any person or animal to stand underneath the equipment while lifting. Ride-on trowels are very heavy and awkward to move around. Use proper heavy lifting procedures and dO NOT attempt to lift the trowel by the guard rings. NOTICE The easiest way to lift the trowel is to utilize the lift loops that are welded to the frame. These lift loops are located to the left and right sides of the operator’s seat.
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. emISSIONS INFORmaTION NOTICE Place chock blocks underneath wheel to prevent rolling while parked. 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 diesel exhaust emissions.
dimensions/SPECIFICATIONS (trowel) Table 1. B C A D Figure 1. Dimensions Table 2. HHNG5 Specifications A–Length – in. (cm) 97.0 (246.4) B–Height (Seat) – in. (cm) 50.0 (127) C–Height (Crank Handle) – in. (cm) 46.0 (117) D–Width – in. (cm) 46.0 (117) Weight – lbs. (kgs.) Operating 1,083 (495) Weight – lbs. (kgs.) Shipping 1,368 (620) Fuel Tank – gallons (liters) 5 (19) Rotor – RPM 0 to 180 Path Width – in. (cm) 92 (233) Gear Box Oil Capacity 144 OZ. (4.
SPECIFICATIONS (engine) Table 3. Noise and Vibration Emissions Model Guaranteed ISO 11201:2010 Based Sound a Pressure Level at Operator Station in dB(A) Guaranteed ISO 3744:2010 Based Sound b Power Level in dB(A) Whole Body Vibration Per ISO 26311:1997 +A1:2010 in m/s2 SA(8)) HHNG5 91 106 0.03 a. With an uncertainty factor K of 2.5 dB (A) included per Note 1 in section 7.2.1 of EN 12649::2008+A1:2011 b. With an uncertainty factor K of 1.5 dB (A) included per Note 1 in section 7.2.
general information HHNG5 Ride-On Power Trowel Familiarization This Ride-On Power Trowel is designed for the floating and finishing of concrete slabs. Twin Pitch Control™ The Twin Pitch™ control feature allows the operator to simultaneously control the pitch of both rotors with minimal effort yet still allows for individual pitch control. Take a walk around your trowel.
general information 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. The opening and closing of these sheaves creates a ratio variation… hence CVT or Continuously Variable Transmission.
components 3 4 0.0 HOURS 1/10 5 6 MC-6LC www.LOFA.net 19 7 2 9 18 8 10 1 11 17 16 15 14 13 12 Figure 2. HHNG5 Components (Front) 1. Steering Control Lever (right-side) — Allows the unit to move in either a forward, reverse left or right direction 2. Retardant Spray Control Buttons — When pressed allows retardant spray to flow through the spray nozzle located at the front of the machine. 3. Light Switch — When activated, turns on four halogen lights.
components 23 24 22 21 25 26 27 28 29 20 30 39 38 37 36 35 34 33 32 31 Figure 3. HHNG5 Components (Rear) 20. Left Rear Light — 55 watt, 12 VDC Hella™ halogen light is provided for night time and indoor work. 21. Choke Knob — Used in the starting of a cold engine, or in cold weather conditions. The choke enriches the fuel mixture. 22. Left-Side Lift Loop — Attach a strap of adequate lifting capacity to this loop when the trowel must be lifted. 23.
basic engine Table 5. 3 10 12 4 11 10 9 2 1 5 13 2 8 7 14 6 7 Figure 4. Basic Engine Components INITIAL SERVICING The gasoline engine (Figure 4) must be checked for proper lubrication and filled with fuel prior to operation. Refer to the manufacturer’s engine manual for instructions and details of operation and servicing. 1. Oil Pressure Sensor — Monitors engine oil pressure. In the event of low oil pressure will shut down the engine. 2.
new machine setup The purpose of this section is to assist the user in setting up a NEW trowel. If your trowel is already assembled, (seat, handles, knobs and battery), this section can be skipped. 4. Connect the "Engine Stop Switch" (seat) cable to the mating plug as shown in Figure 5 NOTICE ENGINE STOP SWITCH The new trowel cannot be placed into service until the setup installation instructions are completed.
inspection This section is intended to assist the operator with the initial inspection of the 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 understood. CAUTION Failure to understand the operation of the trowel could result in severe damage to the trowel or personal injury. See Figure 2 and Figure 3 for the location of any control or indicator referenced in this manual.
operation Starting the Engine 1. Place one foot on the trowel’s platform, grab ahold of any part of the frame, lift yourself onto the trowel, then sit down in the operator’s seat. 3. If starting a cold engine, pull the choke knob (Figure 11) upward to the “CLOSED” position. CHOKE KNOB CLOSED (PULL) NOTICE This trowel is equipped with a safety stop switch that will not allow the engine to start unless an operator is sitting in the operator’s seat.
operation 6. Keeping your foot OFF the right foot pedal, turn ignition key fully clockwise and listen for engine to start. Once engine has started release ignition key. The throttle speed defaults to idle. Let the engine warm for a few minutes. NOTICE The throttle will default to full speed when the right foot pedal is depressed and operator presence is detected. 7. Once the engine has startred and been warmed, return the choke knob (Figure 14) to the OPEN position.
operation 6. Push both the left and right joysticks backward and repeat steps 3 through 6 while substituting the word reverse for forward. Table 7.
maintenance Table 8. Engine Maintenance Schedule EVERY EVERY 6 FIRST BEFORE YEAR MONTHS DESCRIPTION MONTH OR OPERATION EACH OR 300 OR 100 (3) 20 HRS. USE HRS. HRS. Check X Engine Oil Change X X Engine Oil Filter Replace Every 200 Hrs. Check X Air Cleaner Clean X (1) Change Spark Plugs Spark Arrester Fuel Filter Fuel Tube Check/Adjust EVERY 2 YEARS OR 500 HRS. X (*) X Replace Clean Replace Check X X X (2) Every 2 years (replace if necessary) (2) * - Replace the paper filter element only.
maintenance When performing any maintenance on the trowel or engine, follow all safety messages and rules for safe operation stated at the beginning of this manual At the front of this manual there is a “Daily Pre-Operation Checklist”. Make copies of this checklist and use it on a daily basis. Air Cleaner Thoroughly remove dirt and oil from the engine and control area. Clean or replace the air cleaner elements as necessary. Check and retighten all fasteners as necessary. 1.
maintenance Air Cleaner Cleaning CAUTION Wear protective equipment such as approved safety glasses or face shields and dust masks or respirators when cleaning air filters with compressed air. 1. To clean the paper air filter (Figure 18), tap the filter element several times on a hard surface to remove dirt, or blow compressed air (not to exceed 30 psi (207 kPa, 2.1 kgf/cm2) through the filter element from the inside out. INNER FILTER (PAPER) Changing Engine Oil (100 Hours) 1.
maintenance Fuel Filter (200 Hours) 1. Replace the fuel filter (Figure 21) every 200 hours. FUEL FILTER 8. When installing a new spark plug, tighten 1/2 turn, after the spark plug seats, to compress the washer. 9. When reinstalling the original spark plug, tighten 1/8 1/4 turn after the spark plug seats to compress the washer. 10. Reattach the spark plug caps Engine Tune-Up Engine See your engine manual for specific information on tuning up your engine, checking and gaping the spark plugs, etc.
maintenance Checking The Drive Belt belt measurement The drive belt needs to be changed as soon as it begins to show signs of wear. DO NOT reuse a belt under any circumstances. Indications of excessive belt wear are fraying, squealing when in use, belts that emit smoke or a burning rubber smell when in use. Long life can be expected with this drive assembly as long as the drive belt is kept properly aligned.
maintenance 12. Disconnect the left-side CV Axle from the left-side gearbox and the lower drive pulley coupler. See Figure 26. NOTICE 2. Place free end of CVT belt (Figure 28) into upper pulley grooves. CLUTCH Note that the 3 bolts securing the CV axle to the coupler are shorter than those securing the CV axle to the gearbox. Remember bolt orientation for reassembly.
maintenance Blade Pitch Adjustment Procedure Maintenance adjustment of blade pitch is made by adjusting a bolt (Figure 30) on the arm of the trowel blade finger. This bolt is the contact point of the trowel arm to the lower wear plate on the thrust collar. The goal of adjustment is to promote consistent blade pitch and finishing quality. Look for the following indications if blades are wearing unevenly. If so, adjustment may be necessary.
maintenance Trowel Arm Adjustment Figure 32 illustrates the “correct alignment” for a spider plate (as shipped from the factory). NOTICE The following procedure should be followed to adjust trowel arms when it becomes apparent that the trowel is finishing poorly or in need of routine maintenance. GEARBOX TROWEL ARM CORRECT ALIGNMENT MOUNTING BAR BLADE A level, clean area to test the trowel prior to and after is essential.
maintenance Trowel Blade Removal 3. Remove the trowel arm from the spider plate. Remove the trowel blades by removing the three hex head bolts (Figure 34) from the trowel arm. Set blades aside. 2-PIECE BRONZE BUSHING HEX HD.SCREW TROWEL ARM HEX HEAD BOLT LOCK WASHER TROWEL BLADE HEX JAM NUT LOCK WASHER ARM LEVER ROLL PIN SPIDER PLATE RETAINING SCREW (GREASE FITTING) ARM RETURN SPRING TROWEL ARM Figure 36. Remove Roll Pin and Zerk Fitting Figure 34. Trowel Blade Removal Trowel arm removal 1.
maintenance arm will not allow the trowel to operate in a smooth fluid rotation. If bent trowel arms are suspect, check for flatness as shown below. Reference Figure 39: Lever Mounting Slot (Left Arm Shown) Roll Pin Hole Blade Attachment Bolt Hole (1 of 3) Flat of Hexagonal-Shaft (Top of Arm) Trowel Arm Round Shaft Section Trowel Arm Hex-Shaft Section Trowel Arm Adjustment Shown in (Figure 40) is the adjustment fixture with a trowel arm inserted.
maintenance 3. Unscrew the locking bolts on the adjustment tool and place the trowel arm into the fixture channel as shown in Figure 42. A thin shim may be required to cover the blade holes on the trowel arm. Make sure to align the trowel adjustment bolt with the fixture adjustment bolt. ARM TROWEL ARM FIXTURE LEVER ARM ADJUSTMENT BOLT SHIM LOCKING BOLTS DISTANCE = .010 in. TROWEL ARM ADJUSTMENT FIXTURE ADJUSTMENT BOLT Figure 42. Trowel Arm Adjustment Fixture Components 4.
maintenance Installing Pans Onto Finisher Blades These round discs sometimes referred to as "pans" attach to the spiders arms and allow early floating on wet concrete and easy movement from wet to dry areas. They are also very effective in embedding large aggregates and surface hardeners. WARNING Lifting/Crush Hazard. DO NOT lift trowel with pans attached. WARNING ALWAYS install pans either on the work area or on an area that is next to and level with the work area.
troubleshooting (trowel) Troubleshooting (Ride-On mechanical Trowel) Symptom Engine running rough or not at all. Safety stop switch not functioning. Possible Problem Stop switch malfunction? Make sure that the stop switch is functioning when the operator is seated. Replace switch if necessary. Fuel? Look at the fuel system. Make sure there is fuel being supplied to the engine. Check to ensure that the fuel filter is not clogged.
troubleshooting (trowel) Troubleshooting (Ride-On mechanical Trowel) - continued Symptom Lights (optional) not working. Retardant spray (optional) not working. Steering is unresponsive. Operating position is uncomfortable. Power head on Electric Pitch (optional) not working. Linkage on Twin Pitch not working. Clutch slipping or sluggish response to engine speed change. Possible Problem Solution Wiring? Check all electrical connections in the lighting circuit.
troubleshooting (engine) Troubleshooting (engine) Symptom Engine will not start or start is delayed, although engine can be turned over. At low temperatures engine will not start. Engine fires but stops soon as starter is switched off. Engine stops by itself during normal operation. Low engine power, output and speed. Possible Problem Solution No Fuel reaching injection pump? Add fuel. Check entire fuel system. Defective fuel pump? Replace fuel pump.
troubleshooting (engine) Troubleshooting (engine) - continued Symptom Low engine power output and low speed, black exhaust smoke. Engine overheats. Possible Problem Solution Air filter blocked? Clean or replace air filter. Incorrect valve clearances? Adjust valves per engine specification. Malfunction at injector? See engine manual. Too much oil in engine crankcase? Drain off engine oil down to uppermark on dipstick.
Operation Manual HERE’S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING United StateS Multiquip Corporate Office 18910 Wilmington Ave. Carson, CA 90746 Contact: mq@multiquip.com MQ Parts Department Tel.
