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JPI EGT-701 Installation Manual

Engine analyzer for edm-700/800/730/830 engines
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FAA APPROVED
INSTALLING THE EGT-701 SCANNER®
THE OWNER OF THIS EDM-700/800/730/830
MUST KEEP THIS MANUAL

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J.P.INSTRUMENTS Inc.
PO BOX 7033
HUNTINGTON BEACH CA 92646
FAA APPROVED 10-28-09
INSTALLATION MANUAL FOR THE EGT-701 Report 103
1/20/09
Last printed 05/16/13
Rev-E
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Summary of Contents for JPI EGT-701

  • Page 1: Table Of Contents

    FAA APPROVED INSTALLATION MANUAL FOR THE EGT-701 Report 103 1/20/09 INSTALLING THE EGT-701 SCANNER® Rev-E THE OWNER OF THIS EDM-700/800/730/830 MUST KEEP THIS MANUAL TABLE OF CONTENTS Page INSTALLING THE INDICATOR EXHAUST GAS TEMPERATURE PROBE TURBINE INLET TEMPERATURE PROBE CYLINDER HEAD TEMPERATURE PROBE...
  • Page 2 The following notes apply to a new installation. Read this section before proceeding. a) The JPI warranty found in the back of the pilots guide clearly states that JPI will replace defective parts under warranty, but does NOT cover labor to remove or install any parts.

  • Page 3: Installing The Indicator

    Remove the template and check the instrument alignment, if OK redrill with a 0.147 drill. Buttons can be removed by pulling off. The EGT-701 mounts in a standard 2.25” or 3 1/8” instrument hole. The instrument configures itself automatically for 4 to 9 cylinders, 14/28 volt aircraft. The instrument is 7.5” deep less connectors and is 2.6 square behind the panel.

  • Page 4: Cylinder Head Temperature Probe

    (See fig-2). The bayonet probe has a screwdriver slot to facilitate tightening. NOTE: Required original equipment that has a Red Line may not be replaced by the EGT-701 TIT or CHT installation. This includes but is not limited to all aircraft with adjustable cowl flaps and on aircraft with placards on the instrument panel showing a climb air speed, for cooling, different from the best rate of climb air speed.

  • Page 5: Oil Temperature Probe

    3/8 or 1/8 inch NPT plug (see figure below) located on the front, pilots side of the engine. Insert the optional JPI oil probe supplied in the kit. For 3/8 inch NPT installations, use the supplied brass adapter.
  • Page 6 The oil probe P/N 400505-C is installed by removing the 3/8 or 1/8 pipe plug located on the front of the engine inline with the push rods. This oil galley feeds the valve lifters. Insert the JPI 1/8 NPT probe supplied with the kit. Check for leaks after installation.

  • Page 7: Oil Pressure Transducer

    6 inch (AEROQUIP 303) sensor PN 30601 DO NOT MOUNT SENSOR DIRECTLY TO ENGINE mount using Transducer supplied by JPI, all other hardware supplied by MS21919 -DG24 installer. 1.5 inch clamp 9) OUTSIDE AIR TEMPERATURE PROBE, OAT Install the OAT probe, P/N 400510 in the airframe manufactures recommended location. If this is not possible, it is recommended that the OAT probe be placed in clean airflow such as in a cabin air scoop or below the underside of the wing away from engine heat or exhaust.

  • Page 8: Fuel Flow Option

    10) FUEL FLOW OPTION The EGT-701 receives signal from any installed Flowscan Transducer of the following Flowscan P/N’s embossed on to the top of the transducer. The K-Factor is engraved on the side of the Transducer. Wire per drawing 700744, Route the JPI wires along the existing wiring bundle lacing every foot.

  • Page 9: Wiring

    If the panel lacks an avionics master switch we recommend that one be installed or a circuit breaker switch be provided to turn off the EGT-701 during engine start-up. If the voltage fall below 9.8 vdc the instrument will turn off automatically.
  • Page 10 FAA APPROVED INSTALLATION MANUAL FOR THE EGT-701 Report 103 INSTALLING THE EGT-701 SCANNER® 1/20/09 Rev-E Page 10 of 30 +12/24 avionic bus Alarm lamp or enunciator (alarm wire not supplied) (customer supplied option) panel mounted switch Cut red lead if...

  • Page 11: Routing The Wiring Harness

    Connect the JPI RPM sensor to the wiring harness using the 3-pin connector supplied. Secure thermocouple wires along the route to the indicator. Secure wire using original clamps, tie wrap if possible.

  • Page 12: Manifold Pressure Installation & Calibration

    Page 12 of 30 14) Manifold Pressure (MP) Sensor Install a T-fitting (not supplied) in the aircraft’s MP gage line in the cockpit near the MP gage. Install the JPI MAP sensor P/N 604010 on the T-fitting. Connect the JPI MP sensor to the wiring harness using the 4-pin connector supplied. The MAP sensor uses a 1/8 NPT fitting.

  • Page 13: Rpm Sensor Installation

    Bendix pressurized -1200 series use P/N 420807. Dual magnetos use JPI PN 420808. For the Bendix -20 series and Slick 600 use JPI P/N 420806. Mount the sensor as shown in the appropriate diagram below. Note: this is eligible for installation on all 4 &...

  • Page 14: Operating Instructions

    F. Exit by Depressing STEP. If the EGT-701 buttons are not depressed for 10 minutes the system will start scanning automatically. Depressing the STEP button will stop the automatic scan and index through all the functions available. During constant power cruise, if the LF button is depressed for five seconds the Bargraph will level at mid scale.
  • Page 15 FAA APPROVED INSTALLATION MANUAL FOR THE EGT-701 Report 103 INSTALLING THE EGT-701 SCANNER® 1/20/09 Rev-E Page 15 of 30 EDM-830 TFT Flat panel display Portrait switc EDM-830 TFT Flat panel display Landscape switc EDM-830 system mounts in a 3.125 inch instrument panel hole in either a portrait or landscape position depending on panel hole location.

  • Page 16: Indicator Installation & Record

    17)Installation Record The indicator and probes FAA TSO approved, as a temperature indicator under TSO-C43b. Record the installation of the EGT-701 per STC# SA 2586NM. Make an appropriate entry in the aircraft log book. FAA form 337 may be required.

  • Page 17: Component Parts List For Egt Probe

    1/20/09 Rev-E Page 17 of 30 has been removed and reapplied to the EGT-701. The entire display dims automatically depending on the ambient lighting. 20) Component Parts List for EGT PN-1280, TIT PN-1200, IAT PN-1300 Probe in polybag 1 Thermocouple probe PN M-111...

  • Page 18: Weight And Balance Data

    CHANGING THE PROGRAMMED LIMITS Setting the K-factor (Fuel Flow Option) You must set the K factor before using the EGT-701 with fuel flow. Note the K-factor that was engraved on the fuel flow transducer. 1. Turn on the EGT-701 and after self-test, press STEP until the instrument is cycling normally.
  • Page 19 Rev-E Page 19 of 30 Setting the Alarm Limits Turn on the EGT-701 and after self-test, press STEP until the instrument is cycling normally. To start the Alarm Limit Procedure, with the EGT-701 powered up, do the following: Hold both...

  • Page 20: Troubleshooting

    You must do this manually. For example if you change from Gal. to Lbs., the tank capacity will be interpreted as 50 Lbs. rather than 50 gallons; the EGT-701 will not convert 50 Gal to equivalent pounds.
  • Page 21 OAT probe. The OAT reading can be adjusted 10°. See Pilot’s Guide under Pilot Programming. All CHTs read high (100F) EGT-701 calibrated for Gem installation “J” calibration. Change to “K” calibration using the procedure to set alarm limits described earlier.

  • Page 22: Fig-1 Instrument Bezel Template

    FAA APPROVED INSTALLATION MANUAL FOR THE EGT-701 Report 103 INSTALLING THE EGT-701 SCANNER® 1/20/09 Rev-E Page 22 of 30 FIG-1...

  • Page 23: Fig-2 Egt/Cht/Tit Probe Placement

    FAA APPROVED INSTALLATION MANUAL FOR THE EGT-701 Report 103 INSTALLING THE EGT-701 SCANNER® 1/20/09 Rev-E Page 23 of 30 Mounting bracket for the EDM-730/830 EDM-730/830 Model: Mounts in a standard 3.1/8” instrument hole. First place the mounting bracket on the instrument and tighten the clamp hex screw until you can just remove the instrument from the bracket.

  • Page 24: Fig-3 Egt Probe Installation

    FAA APPROVED INSTALLATION MANUAL FOR THE EGT-701 Report 103 INSTALLING THE EGT-701 SCANNER® 1/20/09 Rev-E Page 24 of 30 EDM-730/830 Layout...

  • Page 25: Fig-6 Egt/Cht Pictorial Layout

    FAA APPROVED INSTALLATION MANUAL FOR THE EGT-701 Report 103 INSTALLING THE EGT-701 SCANNER® 1/20/09 Rev-E Page 25 of 30...

  • Page 26: Fig-7 Wiring Diagram Drawing 300701

    FAA APPROVED INSTALLATION MANUAL FOR THE EGT-701 Report 103 INSTALLING THE EGT-701 SCANNER® 1/20/09 Rev-E Page 26 of 30...

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