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Do you have a question about the SPG Series and is the answer not in the manual?

Questions and answers

Jan Ehlers
April 30, 2025

How is the generator shaft connected to the engine crankshaft? The engine packed up but I want to use the generator.

1 comments:
Mr. Anderson
May 16, 2025

The generator shaft of the Firman SPG Series is connected to the engine crankshaft via the connecting rod.

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Summary of Contents for Firman SPG Series

  • Page 2 Manual Insert WARNING Read the manual and understand all warnings before operating this product. Running engines give off carbon monoxide, an odorless, colorless, poisonous gas. DO NOT run in enclosed area even if window and doors are open. Fuel and its vapors are flammable and explosive. Turn engine off and let it cool at least 2 minutes before refueling.
  • Page 3 Manual Insert SPG 2500/2900 SPE 160 605×440×460mm 40.7kg SPG 2500E1/2900E1 SPE 160E 610×460×460mm 45kg SPG 2500E2/2900E2 SPE 160E 710×460×460mm 50.3kg SPG 3000 SPE 200 605×440×460mm 44kg SPG 3000E1 SPE 200E 610×460×460mm 48.5kg SPG 3000E2 SPE 200E 710×460×460mm 54kg SPG 3800 SPE 270 700 x 525 x 560 mm 61.5kg...
  • Page 4: Items Included

    Manual Insert Quick Operation Guide  Unpack generator, check if all the items included. Using a funnel to pour the supplied oil into the crankcase, according to the regulated oil capacity. Move generator outside to a flat, level surface, away from doors, windows and vents. Remove fuel cap and fill with regulated gasoline fuel by using a funnel.
  • Page 5 Manual Insert Main Speci�ications and Features SPG 1800 SPG2500/2900 SPG3000 SPG 3800 SPG4500 SPG 5000 SPG 6500 SPG8500 Model No. SPG1800E1 SPG2500E1/2900E1 SPG3000E1 SPG3800E1 SPG4500E1 SPG5000E1 SPG6500E1 SPG8500E1 SPG1800E2 SPG2500E2/2900E2 SPG3000E2 SPG3800E2 SPG4500E2 SPG5000E2 SPG6500E2 SPG8500E2 1.3kw/50hz 2.0kw/50hz 2.5kw/50hz 2.8kw/50hz 3.3kw/50hz 4.0kw/50hz 5.0kw/50hz...
  • Page 6: Engine Oil Type

    Manual Insert 0.6L 1.1L Float Semi-wet Foam Element Brush ENGINE OIL TYPE Using new good quality oil , SE, SF, or higher grade of API classification. The oil to be used depends upon the temperature at which the engine is operated: - 5 -...
  • Page 7 Manual Insert Below 32°F ( 0℃ ) …………….SAE 5W-30, 10W-30, or 10W-40 32 to 80°F (0 to 25℃) …………SAE20W, 10W-30, or 10W-40 80 to 95°F (25 to 35℃) ………..SAE30W, 10W-30, or 10W-40 Above 95°F (35℃) ……………..SAE40W, 10W-30 Control Panel Con�iguration SPG 1800, SPG2500, SPG2900, SPG3000 SERIES SPG 3800, SPG4500, SPG5000, SPG6500, SPG8500 SERIES...
  • Page 8 Manual Insert START position . And stopping the engine, push the switch to the position OFF ( O ) position or turn the key to STOP position. 4. AC circuit breaker. The receptacle is protected by an AC circuit breaker. If the generator is overloaded or an external short circuit occurs, the circuit breaker will trip.
  • Page 9: Portability Kit Installation

    Manual Insert cable from the generator and then disconnect from the battery posts. WARNING Battery electrolyte fluid is comprised of sulfuric acid that can be very dangerous and cause severe burns. Do not allow this fluid to contact eyes, skin, clothing, etc. if contact or spillage does occur, flush the area with immediately.