Gentech GP3500i Operator's Manual
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Gentech GP3500i Operator's Manual

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  • Page 2: Table Of Contents

    TABLE OF CONTENTS: GENERAL SAFETY INFORMATION Page 4 ELECTRICAL SAFETY INFORMATION Page 5 SAFETY STICKERS AND EXPLANATIONS Page 7 SPECIFICATIONS Page 8 PRE-OPERATING INSPECTION Page 9 CONTROLS AND FEATURES Page 10 PRE-OPERATION CHECKS Page 15 ELECTRICAL CONNECTION Page 20 MAINTENANCE Page 27 10.
  • Page 3 Some important information in this manual will be indicated in the following way. The users should pay special attention to these instructions. The range of Gentech Power Products are safe and reliable, but incorrect use of these products may cause personal injury and or damage to your machine.
  • Page 4 This indicates a hazardous situation, which, if not avoided, could result in death or serious injury. Caution CAUTION: This indicates a hazardous situation, which, if not avoided, could result in injury. For any queries on the above please contact GenTech Industries...

  • Page 5: General Safety Information

    1. GENERAL SAFETY INFORMATION: Warning Caution Danger...

  • Page 6: Electrical Safety Information

    2. ELECTRICAL SAFETY INFORMATION: 2.1 Electrical equipment including cables, cords and plug connections must not be defective. Please check before using. Do not plug the Generator directly into a wall socket – outlet. The Generator shall not be connected to other power sources such as the power company supply mains.
  • Page 7 2.7.2 A 1.5mm2 flexible cable can draw a maximum of 10a provided that the cable is not longer than 35m 2.7.3 A 1.5mm2 flexible cable can draw a maximum of 16a provided that the cable is not longer than 20m 2.7.4 A 2.5mm2 flexible cable can draw a maximum of 10a provided the cable is not longer than 65m 2.7.5 A 2.5mm2 flexible cable can draw a maximum of 16a provided that...

  • Page 8: Safety Stickers And Explanations

    3. SAFETY STICKERS AND EXPLANATIONS:...

  • Page 9: Specifications

    4. SPECIFICATIONS:...

  • Page 10: Pre-Operating Inspection

    5. PRE-OPERATING INSPECTION: 5.1 Engine Oil – This is a major factor affecting the performance and life span of the Generator. Do not use non-detergent and 2 stroke oil as this will damage the Generator. 5.2 Before using the Generator check the oil level, ensure that the unit is on a flat and level surface when doing this and that the unit is “OFF”...

  • Page 11: Controls And Features

    6. CONTROLS AND FEATURES...
  • Page 12 CONTROL FUNCTIONS LOW IDLE MODE When the switch is in the “ON” position the throttle controls the engine speed according to the connected electrical load. The results are better fuel consumption and less noise. When the switch is in the” OFF” position the engine runs at 4,500 rpm regardless of the electrical load.
  • Page 13 Caution Do not overload the generator. Low Oil Alarm (Red) When the engine oil falls below the required level the Low Oil Alarm will come on and the engine will stop automatically. The engine will not restart until oil is added to the unit to bring it up to the appropriate level.
  • Page 14 12V 8A DC The 12V 8A DC Output is provided for battery charging. Follow the instructions in the owner’s manual for the battery charging procedures. 8A DC Circuit Breaker The 8A DC Circuit Breaker turns off automatically if the current exceeds 8A. If the circuit breaker turns “OFF”...

  • Page 15: Pre-Operation Checks

    7. PRE-OPERATION CHECKS UNPACK THE GENERATOR: Remove the generator from its packaging. Inspect the generator to ensure that no damage has incurred in shipping or handling. If the unit appears to be damaged do not add oil or fuel or attempt to start the generator. Check to ensure that you have received the following items: •...
  • Page 16 Place the generator on a level surface.DO tilt generator while adding oil. It can cause you to overfill the oil and or cause the oil leak into areas in which it is not intended. Remove the oil filler cap seen in figure 2. Using the funnel provided, fill with 0.6L of SAE10W-30 or 15W-40 (SEE FIGURE 3) See...
  • Page 17 Note: For safety reasons once the fuel has been added to this unit it cannot be returned to the place of purchase, please contact Gentech Industries for all service-related enquiries. 7.3.2 Use clean, fresh, regular unleaded fuel with a minimum octane level of 85.
  • Page 18 Note: Use only unleaded fuel, the use of leaded fuel will cause severed damage to the internal engine parts. After filling the fuel ensure that the fuel tank cap is securely tightened STARTING THE ENGINE: ALWAYS OPERATE THE GENERATOR IN A WELL VENTILATED AREA.
  • Page 19 Pull choke lever out to the “START” position. Grasp the carrying handle firmly to prevent the generator from falling over when pulling the recoil starter. Pull the recoil starter slowly until it is engaged and then pull it briskly. After the engine starts, warm up the engine until the engine does not stop when the choke knob is returned to its original position.
  • Page 20 STOPPING THE ENGINE: Stopping the engine whilst in the “generator” function: 7.5.1 Disconnect the load from the AC receptacle. 7.5.2 Turn the engine switch to the “OFF” position 7.5.3 Turn the fuel switch off. Turn the engine switch to the “OFF”...

  • Page 21: Electrical Connection

    8. ELECTRICAL CONNECTION: CAPACITY: Follow these simple steps to calculate the running and starting watts for your requirements. 8.1.1 Select the electrical devices you plan on running at the same time. 8.1.2 Add up the running watts of these devices. This is the amount of power you will need to keep your items running.
  • Page 22 To prolong the life of your generator and attached devices, follow these steps to add an electrical load 8.2.1 Start the generator with no electrical load attached. 8.2.2 Allow the engine to run for several minutes to stabilize. 8.2.3 Plug in and turn on the first item, it is best to attach the item with the largest load first.
  • Page 23 NOTE: The DC terminals may be used for charging 12 Volt automotive type batteries only. 8.4 Connecting a generator to your electric utility company’s power lines or to another power source may be against the law. In addition this action, if done incorrectly, could damage your generator and appliances and could cause serious injury or even death to you or a utility worker who may be...
  • Page 24 8.5.3 Be sure to connect the red battery charger lead to the positive (+) battery terminal, and connect the black lead to the negative (-) battery terminal.DO NOT reverse the positions. 8.5.4 Connect the battery charger leads to the battery terminals securely so that they do not disconnect due to the engine vibration or other disturbances.

  • Page 25: Maintenance

    9. MAINTENANCE: For all your service, maintenance and warranty queries please contact Gentech Industries. Please refer to the back page for all contact details. Before starting your generator please check the following service items. These basic inspections can be carried out by a “Laymen”.
  • Page 26 SPARK PLUG MAINTENANCE: 1. Remove the spark plug cable from the spark plug. 2. Use a spark plug socket tool , or a 13/16 in. or 21 mm socket (not included) to remove the plug. 3. Inspect the electrode on the plug. It must be clean and not worn to produce the spark required for ignition.
  • Page 27 ENGINE OIL REPLACEMENT Change oil when the engine is warm. Refer to the oil specification to select the proper grade of oil for your operating environment. 1. Remove the oil drain plug 2. Allow the oil to drain completely. 3. Replace the drain plug. 4.
  • Page 28 AIR FILTER MAINTENANCE Remove the foam element -1. Wash the foam element in solvent and dry it. Oil the foam element and squeeze out excess oil. The foam element should be wet but not dripping. NOTE: Do not wring out the foam element when squeezing it as this could cause it to tear.
  • Page 29 Remove the screws 1 and then remove the cover 2. Loosen the bolt 1 and remove the muffler cap 2, the muffler screen 3 and spark arrester 4. Remove the carbon deposits on the muffler screen and spark arrester using a wire brush.
  • Page 30 FUEL FILTER MAINTENANCE This should be performed every 12 months or 300 hours. Remove the fuel tank cap and filter -1 Clean the filter with gasoline. If damaged replace it. Wipe the filter and install it. Install the fuel tank cap. Warning! Gasoline is highly flammable.
  • Page 31 10. MAINTENANCE AND STORAGE: Long term storage of your generator will require some preventative procedures to guard against deterioration. 1. Be sure all appliances are disconnected from the generator. 2. Add a properly formulated fuel stabilizer to the tank (2-3 times manufacturer’s recommended amount). 3.
  • Page 32 10. Reattach the spark plug and spark plug cap. 11. If the generator includes a battery, disconnect and charge according to Generator Battery. 12. Clean the generator according to Generator Maintenance. 13. Store the generator in a cool, dry place out of direct sunlight.

  • Page 33: Troubleshooting

    11. TROUBLESHOOTING: 11.1 Troubleshooting Diagram:...
  • Page 34 If the engine will still not start then contact Gentech Industries for technical assistance. The details are on the back page of this operator’s manual. Do not attempt to do anything further, contact Gentech Industries immediately for assistance.

  • Page 35: Circuit Diagram

    12. Circuit Diagram...
  • Page 36 32082-01637-00...

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