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For Your Safe Flight

Page | 60

Troubleshooting the EDM-960

Common Misapplications

Problem

Situation

Correction

Display freezes or
may be incorrect

A power transient
could cause the
processors to
malfunction

Recycle the power to
the EDM

Lean Find finds a
“peak” too soon

Failure to pre-lean
before performing
Lean Find or
stopping while
leaning

Continue to lean without
stopping

Leaning too slowly

Lean more rapidly

Peak not found
during Lean Find

Lean Find not
activated or stopping
while leaning

Lean at the speed of
approximately 10°F per
second

Off-scale EGT
columns, too high
or low

Off-scale EGT
column readings.
EDM in the
Normalize view (blue
scales)

The higher sensitivity of
the Normalize view can
quickly go too high or
low off-scale with only
small changes in EGT.

First cylinder to
peak is not the
hottest

This is normal. The first to cylinder peak is not
necessarily the hottest

EGTs rise during
single magneto
check

This is normal, due to incomplete combustion
persisting longer

EGTs not uniform
during low power
operation

This is normal. Fuel and air distribution is not
optimal at low power settings

Diagnostic Testing on Startup and During Flight

When your EDM is first turned on the unit performs several tests on
internal components, calibration and integrity of the probes. Typically,
alarms are disabled until the engine has been started.

During flight, probes are constantly checked for inconsistent or
intermittent signals. A faulty channel or probe encountered during start-up
or during flight will be deleted from the sequence, producing a missing
column or blank digital data.

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Содержание EDM960

Страница 1: ...9 2011 J P Instruments Inc All Rights Reserved J P INSTRUMENTS INC Information P O Box 7033 Huntington Beach CA 92646 Factory 3185 B Airway Ave Costa Mesa CA 92626 714 557 3805 Fax 714 557 9840 www jpinstruments com Printed in the United States of America Rev E 02 16 ...

Страница 2: ...ns 12 RPM and MAP Displays 14 Scanner Displays 14 Remote Auxiliary Display 18 Hobbs Display 18 Dimming the Display 18 Section 4 Operating Modes 19 Manual Mode 20 Section 5 LeanFind 21 LeanFind Procedure General Explanation 26 Expanded Leaning Procedures 30 Section 6 Fuel Flow Operation 31 Fuel Management 31 Start Up Fuel 31 Start Up Fuel 32 Resetting USED 36 Trip Mode Accumulate Trip Totalizer 36 ...

Страница 3: ...on Data Ports for GPS Comm 64 Interface connections to selected GPS models EDM Config Editor 1 Overview 57 2 DISCLAIMER 66 3 Starting EDM930 960 Configuration Editor 67 4 Changing Gauge Layout 68 5 Removing Fuel Level Gauges from display 69 6 Replacing Gauges 71 7 Changing Gauge Markings 72 8 Gauge Details Screen 73 9 Gauge Range and Alarm Limits 74 10 Color Bands 75 11 Options 75 12 Modifying Air...

Страница 4: ...EDM 960 SYSTEM DISPLAYS EDM 960 Main display Twin Center line thrust Configuration Remote Auxiliary Display RAD ...

Страница 5: ...trieval Data retrieval software Oil pressure Oil temperature Turbine inlet temperature if applicable optional Outside air temperature Compressor discharge temperature optional Carburetor temperature or induction temperature optional Fuel pressure if applicable Fuel level Resistive or capacitive Fuel Flow Solid state rotor fuel flow transducer Fuel quantity in gallons kilograms liters or pounds Low...

Страница 6: ...tion Detailed descriptions of all operations appear later in this Pilot s Guide Once you become familiar with the details of operation we suggest you use the Quick Reference Guide found in back of manual for most commonly used functions EDM 960 primary instruments have preset alarm limits and cautionary ranges user cannot change them typically for the following measurements oil temperature oil pre...

Страница 7: ...l added to existing quantity See page 31 for expanded information on the refueling process Control Button Basics Four operating buttons control all functions of the EDM These buttons change labels depending on the current state of the EDM The term tap is used to denote pressing a button momentarily The term hold is used to denote pressing and holding a button for five seconds or longer Display Scr...

Страница 8: ...e and declares instrument status Primary if applicable Before each flight confirm that it matches your aircraft requirements RPM and MAP Display Basics The upper semicircular bar graph shows the MAP Manifold Pressure and the lower semicircular bar graph shows the RPM Revolutions per Minute Operations exceeding red line cause the digital value to turn red Percent horsepower is displayed digitally b...

Страница 9: ...ion contains seven dedicated bar graphs with digital display organized as shown to the right Pointers move up and down for each engine in response to value changes and digital readouts turn red when exceedances occur Note functions displayed in this example may differ from your EDM ...

Страница 10: ...the mixture to 50 F estimated rich of peak EGT on any cylinder 2 Wait about 30 seconds then tap the LF button 3 Begin leaning the mixture smoothly without stopping Turn the Vernier about turn per second retract the non Vernier or quadrant lever so that EGT rises about 10 F per second 4 Stop leaning when you see LEANEST for two seconds followed by for example EGT1520 FF13 8 The EGT number is the cu...

Страница 11: ...ngine to run up RPM Normalize view Manual mode Verify uniform rise of about 50 F in all EGTs in single magneto operation uniform rise of EGTs with application of the mixture control Be alert for unusually low voltage see AFMS cold OIL and normal oil pressure abnormally high CHT large drop in EGT on one cylinder in single magneto operation may be fouled spark plug ...

Страница 12: ...ce engine power If all EGT columns go off scale to the top of the column be sure you are not in Normalize view as indicated by the symbol NRM above the Scanner section After the engine is warmed up use Lean Find to lean the mixture Cruise Suggested setup Normalize view Automatic mode Be alert for uneven EGTs injected engines Make fine adjustments to throttle then RPM then mixture to level the disp...

Страница 13: ...150 F carbureted engines TIT 1600 F average CHT 350 F OAT 60 F normally aspirated engines 410 F turbocharged engines CHT Span 50 to 70 F 100 with gasket probes Oil T 200 F oil cooler thermostat opens at 180 F OIL P 30 to 60 psi varies with aircraft type FUEL P injected 14 to 18 psi varies with aircraft type FUEL P carbureted 0 5 to 8 psi varies with aircraft type Shock cooling 40 minute tightly co...

Страница 14: ...lty plug wire or distributor Enrich mixture to return EGT to normal Have plugs checked EGT Increase or decrease after ignition maintenance Improper timing high EGT retarded ignition low EGT advanced ignition Check EGT for each magneto to determine any uneven timing Loss of EGT for one cylinder and Engine rough Stuck valve Other cylinders are okay Have valve train checked Loss of EGT for one cylind...

Страница 15: ...T and CHT not uniform Normal for carbureted engines Dirty fuel injectors or fouled plugs Check injectors and plugs Decrease in EGT for all cylinders Decreased induction airflow Carb or induction ice Check for change in manifold pressure Slow rise in EGT Low CHT Burned exhaust valve CHT is low due to low power output Have compression checked High CHT on cylinders on one side of engine Obstruction u...

Страница 16: ...no picture Loss of peak EGT Poor ignition or vapor in fuel injection system Have magneto tested no picture Decrease in peak or flat EGT response to leaning process Detonation Usually the result of 80 Octane fuel in 100 Octane engine Enrich mixture reduce power and re lean mixture Repeat to find power setting where normal peak is obtained or run rich Below 10 000 ft full throttle causes EGTs to ris...

Страница 17: ...ph displays on the right half of the display Control Buttons Four operating buttons control all functions of the EDM These buttons may change labels depending on the current operating mode of the EDM The term tap is used to denote pressing a button momentarily The term hold is used to denote pressing and holding a button for five seconds or longer Button layout is shown below 1st Button In the Aut...

Страница 18: ...ean Find Mode but before any EGT has risen holding both First and Second buttons for five seconds will toggle between LOP or ROP leaning modes Tapping both the STEP and LF buttons simultaneously in Manual mode toggles to include or exclude the displayed non primary measurement from the Automatic mode Note Measurements are never excluded from the Manual mode 3rd Button Tapping DIM brightness decrea...

Страница 19: ...d span between the top and bottom of the range marks Note when in certain modes such as leaning or normalize the EGT resolution will temporarily be finer Cylinder Numbers and Index Just below the bar graph columns are numbers identifying the respective cylinder If TIT is installed it is labeled by the letter T underneath A square Cylinder I D Index surrounding a number indicates what cylinder is c...

Страница 20: ...op of the range mark scale or more while no column represents the temperature at bottom of the range mark scale or less The Standard view permits comparison of EGTs across all cylinders Normalize view when the NRM icon is lighted the EGT represent the difference in temperature from the mid point of the range mark scale When you change to the Normalize view all EGT columns are initially normalized ...

Страница 21: ...ection The linear bar graphs are arranged in a three by three matrix on the right half of the display A typical layout is depicted here Note your actual configuration may vary Typical functions that can be displayed are Oil temperature Oil pressure Fuel pressure Bus voltage Amps charge discharge shown OAT Fuel flow Left tank fuel quantity Right tank fuel quantity The fuel quantity gauges will not ...

Страница 22: ...tions however non primary gauges can be user modified using the EDM Config which is currently available through the front panel buttons Editing of Gauge Layout requires EDM Software version 1 20 489 or later Note Amps can operate either as a charge discharge or load meter depending on programming For charge discharge the center of the bar is zero and the top and bottom are maximum charge and disch...

Страница 23: ...onfirm that it matches your aircraft configuration before using the instrument This auxiliary display will normally show RPM and MAP but will display a blinking alarm message duplicating the alarm indication of the EDM For example low calculated fuel remaining of 7 7 gallons would show Hobbs Display Holding both the LF and DIM buttons simultaneously will display the Hobbs times similar to the exam...

Страница 24: ...he LF button then tap the STEP button In the Automatic mode the EDM changes which measurement is displayed every four seconds factory default is Auto Scan Rate 4 however you can change this rate in the Program Mode A setting of zero disables auto scanning altogether Some non primary measurements can be excluded from the Automatic mode tap STEP to enter the Manual mode Tap STEP repeatedly to index ...

Страница 25: ...ndicates cylinder TIT Turbine Inlet Temperature 1370 TIT 1350 Turbine 1 Shock Cooling CLD 22 Min 23 Square indicates fastest cooling cylinder Difference between hottest and coldest EGT EGT 30 Span 20 Square indicates most widely deviating cylinder Compressor Discharge Temperature 300 CDT 295 Into intercooler Carburetor Temperature 22 CRB 20 Not available when CDT is installed Induction Air Tempera...

Страница 26: ...thods of leaning ROP Rich Of Peak and LOP Lean Of Peak Note on power up the unit defaults to Rich Of Peak mode but is easily changed to Lean Of Peak mode During traditional Rich Of Peak leaning you ll finalize the mixture to about 20 to 80 rich of peak depending on engine operating requirements However with the advent of closely balanced injectors such as GAMI it is possible to set the mixture lea...

Страница 27: ...of peak and lean of peak modes EGT F below peak Percent of best power CHT F change from best power Best economy range Best power range 0 200 100 300 20 20 60 40 0 80 100 85 90 95 80 EGT CHT Percent power Specific fuel consumption Over lean Lean Rich Full Rich Take off Leaner Mixture Peak Power First cylinder to peak Use Rich of Peak leaning Last cylinder to peak Use Lean of Peak leaning with GAMI ...

Страница 28: ...p the LF button ROP Start Lean Find if LOP appears hold STEP LF until ROP appears 5 Lean the mixture at approx 10 second without pausing EGT 1520 FF 13 8 Flashing cylinder I D box identifies that EGT increased at least 15 F EDM is now looking for first EGT to peak 6 Stop leaning when a column begins flashing You will see LEANEST for one second followed by EGT 1545 FF 12 4 Flashing cylinder I D box...

Страница 29: ...ode for setting mixture the desired degrees rich of peak no math required NOTE Unit remembers view last used 9 Slowly enrich the mixture noting that EGT is returning to peak Stop enriching at the desired EGT Peak best Econ ROP target best power EGT 1560 FF 12 9 EGT 1460 FF 13 6 100º RICH OF PEAK Rich of Peak target leaner richer FF EGT 1560 Peak 100 1460 ...

Страница 30: ...ausing cylinder I D box flashes when a EGT rises 15 F EGT 1520 FF 13 8 Flashing cylinder I D box identifies the hottest EGT and that an EGT has increased at least 15 F which arms the EDM to now look for first EGT to peak 6 After the first EGT peaks you will see LEANEST for one second and bars coming from the top down Continue leaning EGT 17 FF 12 4 When bars come from the top down the cylinder I D...

Страница 31: ...LF until NRM appears making it easier to confirm all EGT s decrease Now enrichen the mixture to achieve a 50 drop on the hottest EGT Insure that all EGT s decrease Wait one minute to allow temperatures to stabilize Lean Find Initiation Initiate the EDM leaning mode by tapping the LF button Note that the EDM displays its current leaning mode momentarily ROP for operating Rich of Peak or LOP for ope...

Страница 32: ...The Scanner Information Area will also display the current value for the peaked EGT and fuel flow value for final adjustment of the mixture The peak EGT and FF value when peak occurred is remembered by the EDM and can be displayed by holding the PEAK button Lean Find Finalizing the Rich Of Peak Mixture You may now enrichen the mixture to operate at peak or continue enriching to a value of your cho...

Страница 33: ...umn drops last EGT peaks RICHEST appears and its respective column flashes momentarily The last EGT to peak is the one you will use when setting the final mixture Lean Find Finalizing the Lean Of Peak Mixture The Scanner Information Area displays the degrees below peak for the last or richest EGT to peak giving you precise information necessary in setting the final mixture Adjust the mixture to ac...

Страница 34: ...o Peak detected Lean of Peak mode Cylinder I D box flashes until another EGT peaks Current Fuel Flow Column appears for first to peak leanest Difference from where EGT peaked Last to peak detected Lean of Peak mode Cylinder I D box of Last to peak richest EGT flashes Current Fuel Flow Column of Last to peak richest EGT momentarily flashes Difference between peak EGT and current EGT of Last to peak...

Страница 35: ... last EGT to peak and also the difference in fuel flow between the first and last to peak also known as the GAMI Spread This can be a good indication of how well your injectors are balanced the smaller the FF difference the better the injector balance Tapping STEP exits the lean find mode and automatic scanning resumes Leaning Turbocharged Engines The leaning process for turbocharged engines is by...

Страница 36: ...Higher fuel flow causes the transducer turbine to rotate faster which generates a faster pulse rate Because the transducer turbine generates thousands of pulses per gallon of fuel it can measure with high resolution the amount of fuel that flows into the engine Prior to engine start you inform the EDM Fuel Flow Option of the known quantity of fuel onboard it subsequently tracks all fuel delivered ...

Страница 37: ... MAIN and AUX you set up in your fuel computer Choice 3 Adjust 0 0 GAL Tap either ADD or REMOVE to adjust REM Use when adding a partial amount of fuel Tap SAVE to accept adjustment or NEXT to repeat REFUEL NOTE If you forgot to perform your EDM REFUEL before starting the engine it can still be performed The EDM will automatically subtract any burned fuel from the value you choose not applicable to...

Страница 38: ...e tabs 66 usable to the caps 66 16 82 usable When you refuel MAIN 66 0 use this shortcut when filling to the internal tank tabs MAIN AUX 82 0 use this shortcut when filling to the caps only one tank is shown in each of the two scenarios MAIN AUX 82 0 MAIN 66 0 2 gal unusable tab 33 gal 2 gal unusable 33 gal tab 8 gal ...

Страница 39: ...7 usable When you refuel MAIN 60 0 use this shortcut when filling only MAIN tanks AUX tanks must be empty MAIN AUX 74 0 use this shortcut when filling MAIN and AUX tanks only one wing shown in each of the two scenarios MAIN AUX 74 0 MAIN 60 0 Main Tank 2 gal unusable 30 gal Aux Tank 7 gal Main Tank 2 gal unusable 30 gal Aux Tank Empty ...

Страница 40: ...u pumped into the aircraft it doesn t matter which tanks you added to the EDM totalizes ALL onboard usable fuel In this example you will add 14 0 GAL the same as your fuel slip reads This will be added to the totalizers REM value ADJUST 14 0 Left Main Tank 2 gal unusable Previous fuel Added 6 Right Main Tank 2 gal unusable Previous fuel Added 8 ...

Страница 41: ...d EGT FF button 4 until the display shows 0 USED this normally takes about five seconds Trip Mode Accumulate Trip Totalizer Trip mode is typically used if you want to track the total fuel used over a multi stop cross country To have the USED parameter continuously accumulate total consumed fuel set TRIP Y Trip Mode is described in the Program Mode section Note typically TRIP is set to N so that US...

Страница 42: ...larm limits for each specific aircraft model are set by JPI in accordance with the Pilot Operating Handbook and or TCDS and are not programmable by the pilot These typically include some or all of the following measurements CHT CDT O T O P F P GAL LEFT GAL RIGHT MAP RPM FF IAT CRB and TIT To view the alarm limits screen hold button 2 during power up or hold both buttons 2 3 during normal operation...

Страница 43: ...l storage capacity is greater than 100 hours at a 6 second recording interval but can vary depending on configuration When the memory becomes full the oldest data will be discarded to make room for the newest All data are time stamped The EDM contains a real time clock that may be set when you initially program your instrument You may change the recording interval from 2 to 500 seconds even in fli...

Страница 44: ...e to a PC To transfer your data from the USB flash drive to your PC follow these easy steps 1 On your PC start the EzTrends2 program 2 Plug in the USB flash drive into an available USB port 3 In EzTrends2 select the Move and Plot Data from Memory Stick option 4 In the displayed list find the USB flash drive and double click it 5 Select the file you wish to plot and then select the flight in that f...

Страница 45: ...EDM Screen Customization Use EDM Config to customize your EDM Go to www jpitech com and click Technical Support then EDM Config and follow the instructions to create the editor on a USB Drive Print the Help Instruction PDF s and follow these on how to use the editor with the EDM NOTE If your unit was manufactured prior to June 3rd 2010 then contact the factory to discuss customization 3 Fuel Level...

Страница 46: ...de when done Auto Scan Rate 4 0 9 Scan rate seconds between parameters in the Automatic Mode 0 disables the Automatic Mode Trip Used No NO YES NO When Refuel mode used on EDM total fuel used is reset to 0 YES accumulate total fuel used rather than reset to 0 at each refueling See page 47 EGT Display in 1 s 1 s 10 s Tapping 1 s sets the digital display to one degree resolution tapping 10 s sets 10 ...

Страница 47: ... HP 225 10 999 Set the nominal horsepower of your engine This value will be multiplied by the HP to display HP Hold NEXT and button 2 for 5 seconds until you see ADJUST Use PLUS or MINUS to adjust Tap SAVE to save changes Tap NEXT to skip to next item Lft MAP Rht MAP 3 0 3 0 Correct the MAP to the altimeter setting at a sea level airport 3 0 inHg Hold NEXT and button 2 for 5 seconds until you see ...

Страница 48: ...nd button 2 for 5 seconds until you see ADJUST Use Month Day Year to adjust Tap SAVE to save changes Tap NEXT to skip to next item END Yes END Yes Yes exits the pilot program mode No reenters pilot program mode FACTORY Mode Stays on for two seconds FUEL UNITS GAL Hold buttons 1 and 2 to enter the change fuel units function Default unit is GAL Tap CHANGE to choose a different unit Hold buttons 1 an...

Страница 49: ...alue Use PLUS or MINUS to adjust Tap NEXT to skip to the next item REMINDER TIMEOUT 5 0 60 min Sets duration on display in minutes Use PLUS or MINUS to adjust Tap NEXT to skip to the next item CHANGE PRE ALARMS YES or NO Tap YES or NO to enter gauges with no yellow bands displayed ...

Страница 50: ...kip to the next item LOW OIL T 100 100 150 F Use PLUS or MINUS to adjust Tap NEXT to skip to the next item HI MAP 30 30 0 38 0 Use PLUS or MINUS to adjust Tap NEXT to skip to the next item LOW TANK 5 1 50 gal In gallons or preset value Use PLUS or MINUS to adjust Tap NEXT to skip to the next item AVERAGE CRUISE RPM 2400 2043 2563 rpm Hold NEXT and button 2 until you see ADJUST for two seconds Tap ...

Страница 51: ... keep ROP your default setting SWAP DIALS N YES or NO Tap YES to swap gauge positions or NO to keep it the way it is unless it already says YES in which case you tap NO to swap gauge positions CO GUARDIAN Y YES or NO Select YES or NO and hit NEXT to go to the next item Note This feature requires a factory modification to the EDM 930 and will come with a connection diagram FDR OUTPUT Y YES or NO Al...

Страница 52: ...2 to change TACH TIME Tap DIGIT to change the digit you want to change and PLUS or MINUS to go up or down numerically Hold buttons 1 and 2 to Save and move onto END Adjusting the HP Constant for Rich of Peak Operation To fine tune the HP readout follow this procedure airborne between 5 000 and 8 000 feet MSL 1 Enter the pilot program mode by simultaneously holding the STEP and LF buttons for five ...

Страница 53: ...t a sea level airport NOTE If airport is not at sea level use the correction table on the next page to derive corrected sea level altimeter setting 1 Enter the pilot program mode by simultaneously holding the STEP and LF buttons for five seconds 2 Tap NEXT repeatedly until you see Lft MAP 0 0 Then hold both the NEXT and Button 2 until you see ADJUST momentarily 3 Adjust the value using the PLUS or...

Страница 54: ...For Your Safe Flight Page 49 ...

Страница 55: ...XT and Button 2 until you see SETFuel Flow K factor The K factor is shown on the fuel flow transducer as a hand written four digit number which represents the number of pulses per tenth gallon of fuel flow Before installing the transducer record its K factor below The EDM stores the K Factor in the form 29 12 i e if the transducer K factor is 2912 you would enter 29 12 in the EDM s K factor field ...

Страница 56: ...er engine shutdown record EDM USED parameter for each engine in chart below 3 Refill each tank and record ACTUAL USED for each tank in the in chart below EDM USED ACTUAL USED Flight Left Engine USED Right Engine USED Left Engine Tank Right Engine Tank A B C Totals 4 Total the EDM calculated fuel USED and the actual fuel used for each engine 5 Record the current K factor here _________ and in the t...

Страница 57: ...ap the NEXT button repeatedly until you see the K factor you wish to adjust example LFT K Factor 1 29 90 for left engine 3 Hold both NEXT and Button 2 until you see ADJUST The first digit blinks shown here as a larger digit for illustration purposes 29 90 4 Tap the DIGIT button to make digit you wish to edit blink 29 90 5 Tap the PLUS or MINUS button to change blinking digit 18 90 6 Repeat items 8...

Страница 58: ...a Refuel modes NOTE to clear the fuel used display at any time tap STEP until you see USD Hold both DIM and ALL EGT FF buttons until the display shows 0 USD 1 Enter the pilot program mode by simultaneously holding the STEP and LF buttons for five seconds 2 Tap NEXT repeatedly until you see TRIP Used No 3 Tap YES to select the trip mode or NO to deselect mode 4 Tap NEXT to accept your choice ...

Страница 59: ...int only 3 Arnav EI fuel data 4 Allied Bendix Signal format C 5 Not used 6 Garmin 430 530 GNX 80 GX 60 To waypoint only 7 Garmin 430 530 Dest Destination 8 Bendix B Dest Destination Section 10 Custom Key Card The EDM contains a Key Card which customizes it for your aircraft This card defines fixed primary instrument limits and ranges EDM serial number and make model and year of your aircraft You c...

Страница 60: ...nt fuel calibration table that you must enter This table contains calibration values stored in non volatile memory used to translate sensor readings into the displayed fuel quantity values The calibration information is collected and recorded on paper for later entry into the EDM NOTE Fuel quantity gauges will not be functional until the fuel calibration information has been entered into the EDM Y...

Страница 61: ...llon point reading is always taken with unusable fuel in the tank Example of a completed 5 point table for LEFT tank LEFT F 39 0 GAL 1907 29 3 GAL 1431 19 5 GAL 1145 9 8 GAL 971 E 0 0 GAL 685 2 This screen provides real time readings of all active fuel level sensors Verify readings look normal Reading are arbitrary whole numbers 3 Now add fuel as needed to match the required volume for a particula...

Страница 62: ...sheet type format allowing you to easily see the volume and related calibration values side by side You can easily navigate through the cells to enter values 1 With power off hold in Button 3 Button 1 being far left and then turn on power Wait until you see Do you agree with the disclaimer Tap YES if you agree and wish to continue 2 Tap YES when you see Do you have table data ...

Страница 63: ...stored on the Key Card to over write any previous user entries in the fuel table Use FACTORY if you want to start from the original factory default 4 Tap TANK to select the next active tank and repeat previous step Continue until all tanks points have been set 5 Tap TABLE You see Fuel Table Data White at top of screen with a table ...

Страница 64: ... change the value Tap SAVE to record it Follow the on screen menus to edit the value Keep tapping DIGIT to move it across 7 Repeat previous step until all tanks data have been entered 8 You see Save fuel tank data Answer SAVE to store all final data values or CANCEL to return to table editing ...

Страница 65: ...view can quickly go too high or low off scale with only small changes in EGT First cylinder to peak is not the hottest This is normal The first to cylinder peak is not necessarily the hottest EGTs rise during single magneto check This is normal due to incomplete combustion persisting longer EGTs not uniform during low power operation This is normal Fuel and air distribution is not optimal at low p...

Страница 66: ...for an engine DAU failure or DAU communications error Check power to DAU and wiring harness connections CAL ERR Calibration error Return unit to factory DSP XXX Internal communication error Return unit to factory COMM ERR Internal communication error Return unit to factory NO I 5 MV Calibration error Return unit to factory NO 50MV Calibration error Return unit to factory NO 2 5V Calibration error ...

Страница 67: ...PG are all missing from the scan GPS receiver has insufficient signal for valid data NO WPT message and xxx REQ xxx RES are all missing from the scan No waypoints are programmed into the aircraft GPS receiver Message REQ or RES appears Your ground track is too many degrees typically more than 70 off from your course to the next GPS waypoint Section 12 Appendices Shock Cooling Cooling the cylinders...

Страница 68: ...atically configures itself for one of three industry standard data formats Format Baud NMEA 183 Marine Nav Data Format 4 800 This is the format for most handheld GPS receivers Loran must have sentences RMA RMB GPS must have sentences RMB RMC Aviation Data Format 9 600 Output sentence type 1 Required sentences are A B C D E I and L first character identifier byte Sentence terminator may be either C...

Страница 69: ...ata output format and is independent of the GPS C setting Fuel Data input to GPS output from EDM 960 RS 232 Serial data format 8 data bits 1 start bit no parity Baud rate 9 600 Output format is determined by the GPS C setting but may be over ridden by the GPS navigation format If the EDM senses Northstar or NMEA 183 navigation data input there will be no fuel data output Interface connections to s...

Страница 70: ... Markings 62 8 Gauge Details Screen 73 9 Gauge Range and Alarm Limits 74 10 Color Bands 75 11 Options 75 12 Modifying Aircraft Information 76 13 Changing Tail Number 76 14 Change Number of Engine Cylinders 76 15 Changing fuel units 77 16 Changing Main Tank Size 78 17 Changing Channels Monitored 78 18 Changing Alarm Values 79 19 EDM Alarms Screen 79 20 Restoring EDM to a Previous Configuration 80 2...

Страница 71: ...y alarm limits and cautionary ranges for the following measurements oil temperature oil pressure fuel pressure Optional in some aircraft fuel quantity cylinder head temperature turbine inlet temperature manifold pressure and RPM Other non primary parameters may be changed by the user 2 DISCLAIMER Proper configuration of your J P Instruments EDM is very important to the safe operation of your aircr...

Страница 72: ...ditor program When EDM Configuration Editor starts it will show a startup screen titled EDM960 Configuration Editor or EDM930 Configuration Editor that lists the version information for the Editor USB Configuration Capturing Captures all your settings except fuel tables and keeps them for later use You may insert a clean USB thumb drive any time during use of the program Config Editor STEP through...

Страница 73: ...inear strip gauges can be exchanged with other non primary gauges on the right half of the display When you see the EDIT GAUGE LAYOUT prompt tap the YES key to allow selection of gauges to be repositioned on the EDM screen Tap the NEXT key to select the strip gauge to be moved If you go past the desired strip gauge Tap the PREV key to go back to the previous gauge ...

Страница 74: ...gauges cannot be moved and will be skipped The EDM screen must contain at least 2 non primary gauges in order to allow repositioning of gauges Editing of Gauge Layout requires EDM software version 1 20 464 or later 5 Removing Fuel Level Gauges from display If you prefer to use the ship s fuel level gauges you can choose to remove the fuel level gauges from the EDM display When you see the EDIT GAU...

Страница 75: ...ge 70 If you want to re enable fuel level gauges on the EDM tap NEXT key until the fuel level gauge location is selected Tap the ADD key to restore the fuel level gauges to the EDM display Tap the DONE key to exit this screen ...

Страница 76: ... want to replace OAT with CDT or CARB temperature gauges When you see the EDIT GAUGES prompt tap the YES key to allow selection of gauges to be replaced with another gauge on the EDM screen Tap the NEXT key to select the strip gauge to be replaced or Tap the PREV key to select the previous gauge Tap the MODIFY key to start editing of the selected gauge ...

Страница 77: ...ee the Changing Gauge Markings section below Note If the EDM is configured as a PRIMARY instrument PRIMARY gauges cannot be removed or replaced Replacing gauges requires EDM application version 1 20 489 or later 7 Changing Gauge Markings When you see the EDIT GAUGES prompt tap the YES key to allow selection of gauges to be modified on the EDM screen Tap the NEXT key to select the next gauge to be ...

Страница 78: ...s a PRIMARY instrument PRIMARY gauges cannot be modified and will be skipped 8 Gauge Details Screen When the MODIFY key is tapped the Gauge Details Screen will be displayed with an image of the selected gauge and all available values to be modified for the gauge ...

Страница 79: ... in the Band5 position a High Limit is associated with the gauge When a gauge has a High Limit the EDM will display an Alarm message when the gauge value is greater than or equal to the High Limit value Changing Band5 color from RED to any other color disables the High Limit and the EDM s High Alarm for the gauge When a gauge contains a RED band in the Band1 position a Low Limit is associated with...

Страница 80: ...r as a single band of that color Changing a color band s color or start or end value will update the gauge image on this screen 11 Options The VOLTS AMPS and OAT gauge screens have Options selections that allow you to quickly configure the default values associated with the select option For example selecting 28V in the VOLTS screen above would load the default values for a 28 volt electrical syst...

Страница 81: ...ill be allow to change nearly all EDM configurable parameters including the aircraft ID and engine information 13 Change Number of Engine Cylinders The CYLS prompt allows you to change the number of cylinders monitored and displayed by the EDM Hold the two left keys to start changing the number of cylinders Tap the PLUS or MINUS keys to increase or decrease the number of cylinders Acceptable value...

Страница 82: ...e values are GAL LBS LTR KGS Hold the left two keys to save changes to FUEL UNITS Note Changing FUEL UNITS is only available for TSO and ADVISORY ONLY EDM units Note For PRIMARY units the following changes to the main and aux tank size applies to the fuel totalizer only For main tank capacities see fuel level section ...

Страница 83: ...ailable values are 0 0 to 999 9 gallons or 0 to 9999 liters pounds or kilograms Hold the left two keys to save changes to AUX SIZE 16 Changing Channels Monitored When you see the EDIT CHANNELS prompt tap the YES key to display the EDM Probe Sensor Channels screen Tap the STEP key to select the next channel to be enabled or disabled Hold the STEP key to select the previous channel Tap the ENABLE ke...

Страница 84: ...be modified 17 Changing Alarm Values When you see the EDIT ALARMS prompt tap the YES key to allow selection of alarm values to be modified 18 EDM Alarms Screen The EDM Alarms window lets you change some alarm limits When these values are met or exceeded a flashing message will be displayed in the EDM s message area You may change any value shown in WHITE Values shown in YELLOW are configured on th...

Страница 85: ...nfiguration When you start the EDM Configuration Editor you will see a RESTORE FROM USB DRIVE message after the program tutorial screens You may use this prompt to restore the EDM to a configuration saved during the editing process earlier When you see RESTORE FROM USB DRIVE install the USB FLASH drive and tap the YES key You will be asked to select the date and time of the saved configuration to ...

Страница 86: ...bove Tap NEXT until you see End Config Edits with YES NO keys Press and hold both the YES and NO keys until FACTORY RST is displayed Tap YES key Tap YES key a second time to confirm the reset operation Warning All user settings including K Factors and other preferences will be erased In order to save all pre set values except fuel tables see USB Configuration Capturing on page 3 After the reset op...

Страница 87: ... damages JPI incurs no obligation under this warranty unless a Warranty Registration Certificate describing the warranted product has been completed and mailed to JPI with all information requested This warranty is void on any product which has been subject to misuse accident damage caused by negligence damage in transit handling or modification which in the opinion of JPI has altered or repaired ...

Страница 88: ...libration fuel level 46 horsepower 40 41 internal self test 49 K factor 41 MAP 40 OAT 38 Carburetor ice 9 temperature 18 Celsius display indicator 14 OAT 38 Change button 12 Climb 6 Compression 9 low 9 Compressor discharge temperature CDT 18 Connector pin assignments 52 Cowling obstruction 9 Cruise 6 D Data GPS formats 53 ports GPS 53 Delete measurements 17 Descent 6 Detonation 8 10 Diagnostic fue...

Страница 89: ... pump 10 remaining 18 required 18 reserve 18 resetting fuel used 33 start up 2 29 used 18 19 Fuel flow 28 connector 52 diagnostics messages 50 Fuel level calibration 46 Full throttle 6 G GAMI 19 27 Getting started 1 GPS data formats 53 data ports 53 interface diagnostics 51 H Hastaloy 27 Hobbs 12 display 16 Holding a button 2 11 Horsepower calibration 41 constant setting 40 I Ice carburetor or ind...

Страница 90: ...ormal engine limits 7 Normalize view 14 Northstar binary format 53 NRM 14 O OAT calibration 38 F or C 38 Octane 10 Off scale EGT bars 49 OPEN PRB 50 Operation 11 17 fuel flow monitor 28 P Peak EGT 23 PEAK EGT 21 22 24 Pin assignments connectors 52 Primary 1 preset alarm limits 1 45 Priority alarm 34 Product support 54 R RAD 1 3 16 Range normal temperature 7 Rate baud 53 fuel flow 28 indexing 38 sh...

Страница 91: ...3 T Tachometer See RPM Take off 6 Tapping a button 2 11 Technical support 54 Test self 49 Timing ignition 8 TIT 27 Toggle N P 14 Total fuel used 18 19 44 Total fuel 33 Transducer fuel flow 28 Trip total 44 Troubleshooting engine 8 GPS 51 instrument 49 Trouibleshooting fuel flow 50 Turbocharged Engines 27 U Uniform CHT EGT not 9 USD 18 19 reset 33 V Valve lifter 9 stuck 8 Vapor 10 View change diagr...

Страница 92: ...XT until you see End Yes then EXIT to accept and exit Reset USD Fuel Used 1 Tap STEP until x USD shown 2 Hold both DIM and EGT FF until 0 USD is shown Display Hobbs 1 Hold the LF and DIM buttons simultaneously Download Data in Memory 1 Insert USB Flash Drive into front USB port on EDM 2 DOWNLOAD NEW latest flight or tap CHANGE to see DOWNLOAD ALL all stored flights 3 Tap STEP and wait until downlo...

Страница 93: ...ean until LEANEST flashes then EGT 1485 FF 12 7 appear 4 Tap LF to see degrees lean of peak EGT 23 FF 12 7 5 Enrich back to rich side of peak then set desired degrees rich of peak EGT 41 FF 13 9 6 If desired hold LF to see temp FF when peak occurred EGT 1534 FF 13 2 7 Tap EXIT to return to normal operation Leaning Lean of Peak 1 Pre lean then wait 20 seconds 2 Tap LF if you see ROP then hold STEP ...

Страница 94: ...Quick Reference Guide For Your Safe Flight Page 89 7 Tap EXIT to return to normal operation ...

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