K. B. Noble Co. PE-99 D power unit Instruction book

The PE-99-D power unit is a complete, self-contained, portable, gasoline-engine driven, self-excited generator. The unit develops 7.5 KVA, 120 volt, 3 phase, 60 cycle alternating current at 100% power factor. The generator is driven by 5 parallel V belts. The complete unit consists of the following components: a four-cylinder air-cooled 20 HP gasoline engine with gasoline tank, starter, 12-volt battery charging generator, automatic choke, magneto, oil and air cleaners, with carburetor, fuel pump and other accessories; a remote control box with relays for automatic electric starting and stopping; two 6-volt charged starting batteries with cables; a switchboard in enclosed cabinet mounted on frame over generator; complete wiring radio shielding harness; muffler and flexible steel exhaust tubing; one each remote and power cables on individual pipe reels; one set of spare parts for engine and generator; and one tool box complete holding all spare parts and tools and gasoline hose.

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K. B. Noble Co. Power Unit PE-99-D Instruction Book | Manualzz

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Key features

  • 7.5 KVA output
  • 120 volt, 3 phase, 60 cycle
  • Portable design
  • Self-excited generator
  • Automatic electric starting and stopping
  • Remote control capability
  • Complete with spare parts and tools

Frequently asked questions

The engine is a 4-cycle air-cooled, four cylinder, V-type, developing 20 BHP at 2200 RPM.

The fuel tank capacity is 9 3/4 gallons

The engine is designed for operating on commercial 80 octane, leaded gasoline.

The generator is a Continental, ball bearing semi-enclosed drip-proof type, having a direct connected exciter. The maximum voltage with generator at normal temperature will be approximately 120 volts, no load, with the rheostat properly adjusted and voltage regulator operating normally.

Voltage adjustment while operating and using the automatic voltage regulator can be made by changing the setting of the automatic rheostat with the slotted screw on panel. In case of failure or desire to switch to manual control, snap the toggle switch from 'Automatic' to 'Manual' and adjust the voltage with the rheostat knob, directionally marked.

The engine speed is automatically maintained at about 2200 RPM under varying loads by a centrifugal governor, operated from the cam gear. The governor was carefully preadjusted to maintain normal speed under load. Do not re-adjust unless absolutely necessary. It can be changed by reducing or increasing the tension of the governor spring. Turn inner governor spring rod adjustment nut to the right or clockwise to increase engine speed and voltage: to left or counter-clockwise to reduce engine speed and voltage.
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