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HomeTools & Hangar EquipmentMagneto TimersEastern Technology E25 Aircraft Engine Timing Indicator with aluminum Piston Stop
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Eastern Technology E25 Aircraft Engine Timing Indicator with aluminum Piston Stop
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Eastern Technology E25 Aircraft Engine Timing Indicator with aluminum Piston StopEastern Technology E25 Aircraft Engine Timing Indicator with aluminum Piston StopEastern Technology E25 Aircraft Engine Timing Indicator with aluminum Piston Stop

Eastern Technology E25 Aircraft Engine Timing Indicator with aluminum Piston Stop

Part#: E25
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At SkyGeek, find an incredible range of magneto timing tools priced accessibly. Our selection of magneto timimg tools includes the Eastern Technology E25 Timing Indicator, which locates the relative relationships between the valve timing, camshaft, magneto point openings, and the crankshaft.

This product features mounting bands and an all-aluminum body designed to resist scratches and other wear and tear. In addition, the E25 includes a counterweight plamb indicator and top dead center locator dial for foolproof use and straightforward results.

For your convenience, complete instructions are shipped with this Eastern Technology timing indicator, detailing proper installation and use. The E25 fits onto the propeller spinner with ease. This product is designed to reduce the time spent timing your magneto to the engine. The E25 timing indicator measures with extreme precision, within 1/2 degree! This Eastern Technology indicator is offered on SkyGeek at a great value for a product that will save you time and frustration during magneto timing.

  1. Remove all top spark plugs. Install piston stop into no. 1 cylinder top spark plug hole.
  2. Install timing disc indicator on aircraft propeller spinner or hub using the supplied rubber bands.
  3. Turn propeller slowly in direction of rotation until piston lightly touches piston stop.
  4. Rotate disc of timing indicator (while preventing the aluminum flower pot from turning) until Top Center (T.C.) mark is under the point of the weighted pendulum pointer.
  5. Slowly turn propeller in opposite direction until piston again lightly touches piston stop. Observe reading on the disc under the pointer and rotate the disc (while preventing the aluminum flower pot from turning) to exactly one half of the number of degrees toward the Top Center (T.C.) mark.
  6. Remove piston stop from cylinder and find the compression stroke of no. 1 cylinder by placing finger over spark plug hole and rotating propeller until blow by is felt by finger, continue rotation until pointer is under T.C. You have now found top center on the compression stroke.
  7. To either check the magneto timing or to time the magnetos to the engine, move the propeller opposite direction of rotation past the specified magneto timing setting and then back in direction of rotation until the desired setting before top center is under the pointer (this removes the factor of gear backlash).
  8. The breaker points should just be starting to open at this setting. Breaker points opening should be checked with an Eastern Model E-50 Synchronizer.

Note:

  • A light tap of the finger against the dial will insure absolute correct timing.
  • An occasional drop of oil at the pointer bushing is all thatís required to keep the timer in good operating condition.
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    Product Details
    UOM : Each
    Ship Dimensions : 7 x 7 x 7 inches
    Shipping Weight : 1 pounds
    Manufacturer P/N : E25
    ECCN : EAR99
    Disclaimer: While reasonable efforts have been made to ensure all information on this website is accurate, SkyGeek.com and Styles Logistics, Inc. do not assume responsibility for any errors or omissions. All specifications, illustrations, data and prices are subject to change without notice.
    Features
  • Heavy scratch resistant aluminum face
  • Counterweighted plamb indicator
  • All aluminum body
  • Top dead center locator dial
  • Mounting bands
  • Complete instructions with each unit
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