A-10039 Service Manual Gear advisory
Contents
1. FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 3 9 Inspections Un Scheduled 1 Lights audio malfunctions or unexpected behavior should be investigated 2 Anytime that the aircraft s electrical components such as generators alternators or batteries have been replaced Verify current voltages and function 3 Following incidents which induce abnormal mechanical loads to airframe 4 Following lightening strikes Verify current voltages and function 5 1 14 TITLE REVISION DATE 8 24 15 SUBTITLE EROCET Incorporated Service Manual and I C A Aerocet GC700 Gear Advisory SECTION 4 Troubleshooting Table 4 1 Troubleshooting Model GC700 Gear Advisory Lights Detected Problem Gear Lights do not illuminate at all when TEST Button is depressed Gear Lights do not illuminate with equal intensity during operation Light intensity is either too bright or too dim for daytime or nighttime visibility Light intensity does not adjust for daytime or nighttime conditions Nose or Main Gear Lights do not illuminate when the gear are fully positioned Possible Causes Power supply is not connected or is inadequate PAGE 25 of 1 A 10039 FILE NO REVISION 02 Corrective Action Ensure proper battery power buss and hook ups according to appro2. Aerocet GC700 Gear Advisory 02 Table 4 1 Troubleshooting Model GC700 Gear Advisory Detected Problem Audio Volume is too low Audio Volume is too high Speech in the audio is too fast or slow Speech is garbled during normal flight procedures Possible Causes Aircraft Panel Adjustments are incorrect or have been inadvertently lowered Aircraft Power is low Corrective Action Adjust the panel settings according to the appropriate Maintenance Manual or Pilot Operation Handbook or Flight Manual Refer to Aircraft Maintenance Manual to ensure adequate current and power storage Check recharge or replace the battery Refer to Section 7 of this manual for GC700 Ratings Factory presets are not desirable Aircraft Panel Adjustments are incorrect or have been inadvertently raised Factory presets are not desirable Settings have been changed _ Factory presets are not desirable Hook up wiring is compromised Refer to Section 2 3 of this manual to obtain desired settings Adjust the panel settings according to the appropriate Maintenance Manual or Pilot Operation Handbook or Flight Manual Refer to Section 2 3 of this manual to obtain desired settings Refer to Section 2 3 of this manual to obtain desired settings Check for faults with installation wiring This includes corrosion damaged insulation or improper hook up Ref installation schematic and maintenance
3. Ol de 4 YOSIAGY z Ol S JE E EI z F IVO l r f Ierd GNVH 1437 E fs P P ONDO er ENER er Ier GNVH ue awa 9 2 dWnd Z Mi Z f a 3 2 ANM 9 2 ANOSIAGY ava9 Figure 3 4 6 General wiring schematic and harness connector Pin layout for Aerocet Model 6650 Floats Use Aerocet Dwg No 66 15000 EROCET Incorporated ace 23 of 1 5 1 14 FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 3 5 Instrument panel Installation The unit fits in an un used instrument cut out Designed for a standard 3 14 diameter bezel face Determine the fastener length for 4 ea 6 32 UNC screws by adding the thickness of the control panel with 1 2 inch maximum screw protrusion through the mounting screw hole pattern CAUTION Do not allow greater than LG Inch of protrusion of the 6 32 UNC fasteners through the front face of the gear advisory unit Round down to the next available screw size when necessary If not strictly observed damage of the unit could occur 3 6 Product Listings LPS Electrical Contact Cleaner for connectors or equivalent Use a fast drying multi purpose industrial cleaner which evaporates quickly without a residue LOCTITE 222 Thread Locker blue or Permatex equivalent for securing small mounting fasteners Use a medium strength thread locker capable of withst
4. LMU C4T4 20 LS n G e L R H NOSE GEAR Up SWITCH RNU C3T2 20 G L H NOSE GEAR UP SWITCH LNU C2T2 20 E ___s03 1 20 A 25 PIN DB 25 CONN FEMALE CONNECT TO GEAR ADVISORY UNIT PROVIDED W GC700 GEAR ADV UNIT _LAIR FRAME GND Figure 3 4 1 General wiring schematic and harness connector Pin layout for Aerocet Model 1500 Floats Use Aerocet Dwg No 15 15000 FILE NO REVISION Incorporated vii L H T S qo 5 S a 0 U sed gt 4 0 Wei Aerocet GC700 Gear Advisory SUBTITLE 8 24 15 REVISION DATE f 22 OA WHT OLK a2 OA WHT UE TU wi A Sg Let LHSTY EGE ROLL ESCH Te rola P 5 Tut liad Gael we i H 5 g Some aa La nemn wee K eege sorro Y Ei ees ve SERIES 0 Z L 2504 7 YEL 36669 f BS d if KL e Imai a C asor ws zz LA HAREE 1 I gt ke er Z n ima A H aa Leg tei e ze weg N 805838 MOTLISOd YES 11 HOS KN ASSY LvOis 14371 K SN P T ae 0 iw we ei IST WSS MID LEE LI emie ve ze LA LW ez p S R es aed me dl Sg LC Ach Lei ri ees ce Leet P P EE Le 7 20 1 1 Ose TT TTT Vo BE Om wee i Figure 3 4 2 General wiring schematic for 1500 Float and Sensor layout Use Aerocet Dwg No 15 60010 EROCET Incorporat
5. manual Internal components are compromised Return the GC700 unit to Aerocet Inc for repair Arm and Trigger Settings are factory set User accepts all liability for altering these settings Opening of the GC700 case for any reason will void any warranty The Gear Advisory unit is a sealed unit and should be returned to Aerocet Inc for any servicing EROCET ISSUE PING 29 of Meee S 1 14 Incorporated SS FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 SECTION 5 Removing and Replacing Product Locate installed GC700 unit and clear work area in cabin of all unnecessary obstructions Disconnect Pitot line from back of unit Disconnect DB 25 Connector from the back of unit ee ee a E Remove brass machine screws from the front face of unit through the aircraft instrument panel Remove from behind panel 5 Installation is reverse of 5 1 thru 5 4 SECTION 6 Special Tools Required Standard 04 slotted jewelers screwdriver Phillips PO screwdriver Phillips P1 screwdriver 7 16 SAE open end wrench SECTION 7 Electrical Loads Applicable GC700 operates at 10 to 30 volts DC gt 1 amp 7 1 Electrical Ring out Test Before the GC700 Gear Advisory unit is connected check voltages with a digital volt meter to insure that the proper voltages are present For 12 volt system
6. 7 S3NYVH JHL NI S A ONY SIONS LY ONIAZTIS JIJVANY4XJ JO SONJ UH 38NDIS Ol ZZ WU SIU JI9YI ISN YOLDINNOD HOVW3 LY SdWV1D HS 399 SOLDINNOD AG 02519923 JG OL SONJ 12 WIU HUM 0252215 YJAO 38 OL JIANNY JAIM S 3Y JYIM XX SSINY JHL NIHLIM YJIWNN IYIONJNOJS XX YIGWAN SSINYVH LA 03 1201 IS 1ON CIIN Z NVHL SSJI AM STWAYSINI 9 NWHL 93192591 ON JO IAIM JO HI NJTOIW Lv ONY SONJ JO SONI 9 NIHIIM XX XX LQ LVWJO4 DULWWSHDS 339 139V NIAJINIQI KUM 02 HR 29 TIVHS IAIM TN T YOLDINNOD JO H NI NIHIIM NANNA ONNOYY GITIVISNI 38 TIVHS S313201 SOLDINNOD HLM CIJYVW AIININVWa3d Z 2209 NIVALS AOLDINNOD JGISN 1 ONNS 2305094 O1 02925 Sv OE WAL 34Y L ONNYVIS KUM FIONNE dYAM Z L 786S AMALD3SNNOD 31 Liv OMY Geh X Z009 99 OMY ZIL OMY 91 51 TT009 99 KV 2009 99 0002 TY OMY PLZ T 19799 ULAR 40 LOT OZSZZN GTS REDA 89E 9 6Z06EW T010 69618W reste av OMY OTT 8 24 15 TOOL NOHOVXIXJ NOLXJSNI YBNOUWISOd IOOLONIWDONVH 296 29 3dAL LOVINOD YOLD3NNOD ONIXJJNI NI 13D083V L OJAO ddY 38 IEN ISNW LN CDEN 38 AYW SIOOLINJIYAINOI SNOLDNAISNI SSMN 824 IIEVONdd SY STOOL ONIMOTIOS JHL ISN SIYNIWYIL ONY SLDVINOD 03492 Os ISILON ir i aMd dWNd sng Zvedl sr ME SDINOIAV Jeet iw o1any Una a MOM ter S S Jl amd AWAY Z sng L ar YOLDZNNOD HOLIMS Wisidad j S NW adrian IYnOS 001 JVICOJ l MAIS MOM 5 if LE
7. Circuit Breaker Detected Problem Possible Causes Corrective Action 1 amp Circuit Breaker on Hook up wiring is Check for faults with installation wiring bus bar opens compromised CB for This includes corrosion damaged internal relays only insulation or improper hook up Ref installation schematic and maintenance manual Internal components are Return the GC700 unit to Aerocet Inc compromised CB for for repair electronics only 5 1 14 TITLE REVISION DATE 8 24 15 SUBTITLE EROCET Incorporated Service Manual and I C A PAGE 27 of 1 A 10039 FILE NO REVISION Aerocet GC700 Gear Advisory 02 Table 4 1 Troubleshooting Model GC700 Gear Advisory Detected Problem Audio Warning does not activate Audio Warning does not activate after a Go Around Audio Warnings continue to activate Audio Warnings continually reactivate while flying in the pattern after depressing the correct cancel button Audio Warning repeats Gear Unsafe Check Gear although Nose and Main gear lights may be illuminated and gear is fully positioned Possible Causes Volume is too low or audio wiring is incorrectly installed Corrective Action Check Aircraft Audio Panel settings and hook up Static or Pitot system is compromised Have a qualified technician check the Static and Pitot systems Internal components are compromised Return
8. EROCET Mates Incorpor PAGE pate 5 1 14 corporated 1 of 31 FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 SERVICE MANUAL AND INSTRUCTIONS FOR CONTINUED AIRWORTHINESS FOR AEROCET GC700 GEAR ADVISORY Aerocet Inc P O Box 2119 265 Shannon Lane Priest River Idaho 83856 Phone 208 448 0400 Fax 208 448 1644 5 1 14 REVISION DATE 8 24 15 EROCET Incorporated TITLE Service Manual and I C A SUBTITLE Aerocet GC700 Gear Advisory THIS PAGE LEFT INTENTIONALLY BLANK PAGE 2 of 31 FILE NO A 10039 REVISION 02 AEROCET Incorporated 5 1 14 TITLE Service Manual and I C A 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory LOG OF REVISIONS PAGE DATE REV PAGES DESCRIPTION Initial Release 5 1 14 Removed reference to 1500 floats from title page Added Model 6650 Kodiak schematics Multiple grammatical corrections and clarifications L g 5 1 14 REVISION DATE 8 24 15 EROCET Incorporated TITLE Service Manual and I C A SUBTITLE Aerocet GC700 Gear Advisory THIS PAGE LEFT INTENTIONALLY BLANK PAGE 4 of 31 FILE NO A 10039 REVISION 02 EROCET Incorporated SES 5 1 14 5 of 31 FILE NO TITLE Se
9. GC700 Gear advisory Built to operate at multiple system voltages and accommodate a variety of approach speeds and settings the GC700 is both lightweight and durable and designed to last the lifetime of your float and gear systems 1 1 How to use this Supplemental Manual Used in conjunction with the airplane Owner s Manual and Illustrated Parts Catalog this supplemental manual provides the installer and the operator with a source of information for installing removing and operating the Aerocet GC700 Gear Advisory This manual is organized as follows Operating Information Instructions and information regarding the indicator lights and audio as well as adjustment instructions Service and Maintenance Information contains necessary information for proper handling recommended inspections troubleshooting removal and electrical overviews 1 2 Warnings Cautions and Notes Certain information pertaining to specific operations is posted in relevant areas and should be carefully regarded as follows WARNING An operating procedure inspection repair or maintenance practice which if not correctly followed could result in personal injury or loss of life CAUTION An operating procedure inspection repair or maintenance practice which if not strictly observed could result in damage or destruction of equipment EROCET ISSUE PAGE Meee S 1 14 Incorporated 8 of 31 FILE NO TITLE Service Ma
10. TLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 J 35 335 J5 9 3 7 e 37 2 5X 31 4 13 T RE TO J5 BACK SHELL E RCUIT CHASSIS Ja 36 37 2 8X J4 9 5 3 Se J 36 37 D8x 8 L 4 Figure 3 4 5 General wiring schematic and harness connector Pin layout for Aerocet Model 6650 Floats Use Aerocet Dwg No 66 15000 ET Incorporated am Lu A 10039 vi S H Ke C 4 0 3 C Service Aerocet GC700 Gear Advisory SUBTITLE ALIALLD3NNOD 3L TT 321 943 dIWV1D 11993 HOLDINNOD 790902 T D ALIAILDINNOD 31 3d Z SIIYIS NOILISOd 8 1403239 HO1DINNOD T E907 E ALIAILDINNOD 3L X18 ZT 321S 94D ANYI 119973 HOLDINNOD 8 020907 z ALIALLD3NNOD 3L SOd Dd SIIYIS LT IZIS T13HS 143934 HOLDINNOD T S2902 H DIE NOlididasiq YIGWAN liyd TON 3 STVINZIVW 4O 17119 J9N3Y343 Y AINO 3DN343394 OJ MONA Q3LSN 290 SLYVd JOLDINNOD JSJH1 SOVISSN Liv te JHL OLNI GITIVISN NJHM S18 Vd 3SSHL OLN JIVW Z ONY Sal AI8W3SS 3109143799 ONY NHH OZLZL 99 JO 19Y4 38 Zf ONY If OL ONI GISIHS G3SOdx3 XIAO ZE WALI ONGNI YNISHS 192 EC 23914 ANY Det SOU OL HSM GBIHS WIX SNOUD3NNOD G34INOZ JHL INVWW OL GINO Sv OS ANY 13ND PF AUNO dials lt e Z 0NTORS TIIHSIOV ANNOVED Zwei 9 ATAWISSW 0027 1 99 JO L d AINO 43d JOJ NMOHS SI AV138 NHS LW3H HIM ONIdWISD SD EL Y LL SWIN Iwas
11. anding vibration GC ELECTRONICS Silicone Z9 or Type I silicone or Type II non Silicone or equivalents for sealing electrical joints and connectors 3 7 Fastener Torque Small Diameter screws should be tightened approximately turn past run up of the assembly Brass and aluminum screws are easily stripped so care should be exercised not to over torque Nylon 1 8 27 Adapter fittings should be tightened 2 turns past run up If fitting is removed and re installed Teflon tape or pipe dope should be applied to threads and tightened as listed above Do not apply Teflon tape or pipe dope to the extreme ends of fittings to avoid fouling system 3 8 Inspections Scheduled A Preflight Conduct Preflight inspections according to the existing aircraft owner s manual and add the following to the Instrumentation group 1 Depress TEST button to confirm that all position LED S are functioning properly Note light intensity may vary but is indication that all lights are functioning Verify that an audible announcement sounds indicating current gear position B Daily Conduct Daily inspections according to the existing aircraft owner s manual C Periodic Conduct Periodic inspections according to the existing aircraft owners manual and add the following to the Instrumentation group 1 Pitot system Test in accordance with the aircraft manufacturer s instructions EROCET Incorporated SES 24 of 5 1 14 i
12. ation See Table 2 3 for factory settings 6 Voice Pitch Adjustment sets rate that voice announcements are delivered Adjust this pot until a comfortable and natural voice delivery is achieved LABEL REMOVED SHOWING ACCESS SLOTS TO P x POTENIOMETERS Figure 2 3 1 Housing bottom view with label removed and enlarged view of Setting Adjustment Label EROCET PAGE 14 of 5 1 14 Incorporated P FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 Table 2 3 Arm and Trigger Speeds factory settings unless otherwise specified Aircraft Floats Arm Speed kts Trigger Speed kts Cubcrafters CC11 Model 1500 78 51 Quest Kodiak 100A Model 6650 100 85 EROCET Incorporated pace 15 of 1 5 1 14 FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 SECTION 3 Service and Maintenance Information 3 1 Handling of Components Any unit containing electronic components such as transistors diodes integrated circuits proms roms and memory devices are subject to damage by electrostatic discharges ESD and should be protected from static discharge CAUTION To prevent damage from electrostatic discharge observe standard procedures for handling equipme
13. ections to Pitot system AAEROCET Incorporated ace 17 of 5 1 14 21 FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 3 4 Electrical Connections Figures 3 4 1 and 3 4 2 show the intended arrangements for the GC700 as installed with Aerocet Model 1500 floats as an overview Use Aerocet Drawings 15 46010 lt Float Schematic gt and 15 60015 lt Installation Schematic gt for detailed specifics Other applications must match this arrangement in order to implement the GC700 correctly 5 e S sl ze 5 S S Dj 03 Ef LS Sai Iaa EE SB nL lnl 88 G DIE Sd 2 algi ENLO A pO a8 o O z WIEL SA e SE G L TO Xz SS AG2 C13 20 za z Ss 5 8 TO e gt Le Z Se dA 5g PWR C12B1 20 Pa L e2 4 a SZ 2 RC 7277 2 1 KLIXON P N AR FRANE st CG 1 AMP CB AT A C RELAY BUSS Sd o e ELECTRONICS ch 8 Ei G A Ee Lo i SS lt O R H MAIN GEAR DN SWITCH RMD C9T5 20 ee of e eh 25 E Lea CS I 2 L H MAN GEAR DN SWITCH LMD C8T5 20 i z o R DN si aL R H NOSE GEAR DN SWITCH RND C7T1 20 L 2 IpO eee ee Ww R M27500 20TG1514 7 r L H NOSE GEAR DN SWITCH LND C6T1 20 j AUD C18 20_ ei ee R H NAIN GEAR UE SWITCH RMU C5T4 20 o A L H MAIN GEAR UE SWITCH
14. ed ace 19 of 5 1 14 l FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 Figures 3 4 3 thru 3 4 6 show the intended arrangements for the GC700 as installed with Aerocet Model 6650 floats as an overview Use Aerocet Drawings 65 46010 lt Float Schematic gt and 65 60015 lt Installation Schematic gt for detailed specifics Other applications must match this arrangement in order to implement the GC700 correctly SYOSN3S NOILISOd Yv3D JSON SYOSN3S NOILISOd Evo NIV 7 e e g X SO G UP DN BLU aS BRN a DN UP BLK a z 5 npn d ai SCH npn ae x Dz a e D SS e rai Pe C e e e e LS A s K O a w R 2 ONL S e z A lt x D Figure 3 4 3 General wiring schematic for Model 6650 Float and Sensor layout Use Aerocet Dwg No 65 46010 EROCET Incorporated ace 20 of 1 5 1 14 FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 N S N lt N o d d N l g N Ku NM a N a N Vr S 2 b z AS N N GH 0 Figure 3 4 4 General wiring schematic and harness connector Pin layout for Aerocet Model 6650 Floats Use Aerocet Dwg No 66 15000 EROCET Incorporated SES 21 of 5 1 14 FILE NO TI
15. nformation as applicable Previous Owner Previous Address Present Owner Present Address Present Phone Number Present E mail Address ZIEROCET Incorporated SOEN SD of 31 A FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 1 4 Description The GC700 Gear Advisory is a reliable audio and visual confirmation of nose and main gear positions Compact and lightweight the GC700 is airspeed adjustable and multi voltage compatible designed to operate on a wide variety of aircraft Figure 1 4 1 GC700 Gear Advisory Aerocet is committed to safe and trouble free operation of the GC700 gear advisory unit Developed to be virtually free of operator maintenance and adjustment Any internal repairs or troubleshooting of the unit shall be accomplished by Aerocet Inc 1 5 Dimensions Locations and Nomenclature The Aerocet GC700 Gear Advisory Housing measures 3 22 X 3 23 X 4 07 deep and weighs approximately 12 8 oz The unit fits in an un used instrument cut out designed for a standard 3 14 diameter bezel face Fastened with 4 ea 6 32 UNC screws with a maximum fastener penetration into box of LS on a 2 47 square hole pattern The GC700 operates on 10 30 volts DC and is protected with 1 1 amp breaker Pitot system is fed to the back of the unit via 4 x 050 wall semi rigid nylon tubing See section 3 for complete i
16. nstallation specifications 3 23 L4X6 32UNC 3 50B C Figure 1 5 1 Housing and Mounting Hole Dimensions 5 1 14 REVISION DATE 8 24 15 EROCET Incorporated pace 10 of 1 FILE NO TITLE Service Manual and I C A A 10039 REVISION SUBTITLE Aerocet GC700 Gear Advisory 02 THIS PAGE LEFT INTENTIONALLY BLANK EROCET Incorporated PG FILE NO TITLE Service Manual and I C A REVISION t REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory SECTION 2 Operating Information 2 1 Lights Translucent blue lights indicate individual gear in the fully up position water landing Upper two lights represent the nose gear lower two lights represent the main gear Translucent amber lights indicate individual gear in the fully down position runway landing Upper two lights represent the nose gear lower two lights represent the main gear When the Directional Control Handle on the Hydraulic Hand Pump is moved from GEAR UP or GEAR DOWN positions the blue and amber individual gear lights will temporarily go out as each gear leaves its position As each gear reaches its full travel destination indicator lights will illuminate The backlight intensity is controlled by the photo sensor located in the upper center of the unit front face The intensity is automatically controlled by the ambient light intensity Brigh
17. nt containing electrostatic sensitive devices or assemblies in accordance with the recommendations and procedures set forth by the electronics industry Care should be taken by the technician to properly ground the electrical system of the aircraft and himself to a common point ground A properly connected ESD strap should be used Maintain a clutter free work space and avoid conductive materials in and around the work area Avoid touching unconnected contacts and leads that can carry static charges through the unit and damage sensitive components within EROCET Incorporated pace 16 of 1 5 1 14 FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 3 2 Installation 3 3 Air Line connections Connect the Gear Advisory unit to the pitot system using the following Nylo Seal fittings 268 N 04 x 02 4 Tube to NPT fitting 264 N 04 Union Tee 44 NSR 4 Semi Rigid Nylo Seal Tubing Or Substitute with Parker Paraflex NR 4 050 or Parker NNR 4 050 natural or NBR 4 050 black And with other Nylon 11 1 4 O D x 050 wall semi rigid tubing suitable for use with compression style the thermoplastic fittings BREATHER VENT D STATIC PORT 1 8 NPT _7 PITOT PORT 1 8 NPT NYLOSEAL MALE CONNECTOR NYLOSEAL SEMI RIGID TUBING NYLOSEAL SEAL UNION TEE Figure 3 3 1 Tube conn
18. nual and I C A A 10039 REVISION 7 REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 NOTE An operating procedure practice or condition etc which is deemed essential to highlight Units of Measure The customary linear unit used in this document is the Decimal inch unless otherwise specified 1 3 Availability One complete hard paper copy of this manual shall be provided with each new GC700 Gear Advisory Additional copies and minor revisions shall be available via email U S P S mail UPS or FedEx by request Fees and delivery charges may apply Notification of any changes that require service for airworthiness shall be distributed to all applicable Aerocet owners on record with Aerocet Inc In such a case copies of the applicable revised portions of this manual shall be provided Aerocet Inc maintains record of purchasers and or owners collected at the time of purchase in order to comply with the above as well as to maintain a high standard of service If you have moved since your original purchase have purchased a used product or otherwise have reason to believe that the contact information on file is incorrect please provide the following information to Aerocet Inc Aerocet contact information is on the front of this document Gear Advisory information Unit model Unit S N R L Aircraft Information Aircraft Make Model Aircraft Registration Aircraft S N Other I
19. of the housing a label is located over two access slots concealing six potentiometers Pull back the label to access these pots and change settings with a 04 slotted screwdriver Turning the pots clockwise increases the value or counter clockwise to decrease value All adjustments are initially made at Aerocet Inc Adjustment pots 1 2 3 and 6 are user adjustable Adjustment pots 4 and 5 are factory set user accepts liability for altering these settings The functions for these pots are as follows 1 Low Light Adjustment sets light level for night viewing Adjust pot in dark environment or cover the photo sensor to simulate night time flying Note when altering low light adjustment it is necessary to re adjust high light adjustment setting 2 2 High Light Adjustment sets light level for bright day time viewing Adjust pot in daylight environment to simulate day time flying Note when altering high light adjustment it is necessary to re adjust low light adjustment setting 1 3 Voice Volume Adjustment sets audio level for all gear advisory announcements Used in conjunction with the aircraft audio system 4 Trigger Adjustment factory setting When the aircraft passes below a set air speed one of three audible announcements will sound See Table 2 3 for factory settings 5 Arm Adjustment factory setting When the aircraft passes above a set air speed the unit is armed and ready for automatic audible oper
20. priate Maintenance Manual s Internal components are compromised Internal components are compromised Factory presets are not desirable Photo sensor is obstructed Interior light source such as a flashlight or an overhead light is affecting the photo sensor Check for broken connections proper hook up according to installation schematic Refer to ring out procedures in this manual for the DB 25 connector Return the GC700 unit to Aerocet Inc for service Return the GC700 unit to Aerocet Inc for service Refer to Section 2 3 of this manual to obtain desired settings Remove obstruction Turn off the light source or change its target Light intensity should adjust immediately Internal components are compromised Gear Sensors are incorrectly installed mis wired or malfunctioning Return the GC700 unit to Aerocet Inc for repair Check the position sensors according to the applicable schematic maintenance manuals etc Check the wiring for corrosion poor connections or damage Check all wire grounds Internal components are compromised Return the GC700 unit to Aerocet Inc for repair EROCET PAGE 2 f 5 1 14 Incorporated S 1 FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 Table 4 1 Troubleshooting Model GC700 Gear Advisory
21. rvice Manual and I C A A 10039 REVISION 7 REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 Table of Contents Description Section Introduction Operating Information Service Maintenance Information Troubleshooting Removing and Replacing Product Special Tools Electrical Loads Applicable Airworthiness Limitations 5 1 14 REVISION DATE 8 24 15 EROCET Incorporated TITLE Service Manual and I C A SUBTITLE Aerocet GC700 Gear Advisory THIS PAGE LEFT INTENTIONALLY BLANK PAGE 6 of 31 FILE NO A 10039 REVISION 02 EROCET Incorporated SES 5 1 14 7 of 31 FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 SECTION 1 Introduction This Component Maintenance Manual CMM and instructions for Continued Airworthiness ICA contains the maintenance instructions to install maintain inspect and repair Aerocet GC700 Gear Advisory assembly and its general application to a variety of amphibious aircraft This document does not contain complete maintenance information necessary to keep the airworthiness of the entire aircraft but addresses to the extent reasonable such aspects pertaining to the gear advisory alone This document is intended to be kept intact Thank you for purchasing the Aerocet
22. s 12 to 14 VDC and for 24 volt systems 24 to 28 VDC at power pin 12 of the 25 pin connector relative to the aircraft ground With the same digital meter set to OHMS check pins 1 and 13 of the 25 pin connector to ensure that they are less than 5 ohms to aircraft ground Also check at the terminal blocks located within the floats at pin 3 for similar readings 5 1 14 REVISION DATE 8 24 15 EROCET Incorporated Szen 30 of 1 FILE NO TITLE Service Manual and I C A A 10039 REVISION SUBTITLE Aerocet GC700 Gear Advisory 02 THIS PAGE LEFT INTENTIONALLY BLANK EROCET Incorporated Ge 31 of 5 1 14 A l FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 SECTION 8 Airworthiness Limitations 8 1 General The Airworthiness Limitations section is FAA approved and specifies inspections and other maintenance required under 43 16 and 91 403 of the Federal Aviation Regulations unless an alternative program has been FAA approved 8 2 Description 1 Time Limited Items None 2 Required Inspections Interval None 3 Scheduled Maintenance For Aerocet recommended Inspection or Replacement see Section 3
23. sound With all blue lights on the announcement will sound Water landing gear is up for water landing This announcement will continue to repeat and complete the phrase until the upper CANCEL button is pushed or the aircraft accelerates above the trigger airspeed setting With all amber lights on the announcement will sound Runway landing gear is down for runway landing This announcement will continue to repeat and complete the phrase until the lower CANCEL button is pushed or the aircraft accelerates above the trigger airspeed setting If any indicator light within the WATER quadrant or RUNWAY quadrant fails to illuminate then the announcement will sound Gear is unsafe check gear This announcement will continue to repeat and complete the phrase until either upper or lower Cancel button is pushed to de activate The TEST button in the center left position of the face when depressed will sound an audible announcement indicating the current position of the gear One of three announcements listed above will repeat as long as the button is depressed This announcement will continue to repeat and complete the phrase until the TEST button is released EROCET Incorporated pace 13 of 1 5 1 14 FILE NO TITLE Service Manual and I C A A 10039 REVISION REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 2 3 Settings On the bottom side
24. the GC700 unit to Aerocet Inc for repair Trigger Speed is not correctly set Airspeed did not exceed the Arm speed Refer to Section 2 3 of this manual to obtain desired settings Increase airspeed during the downwind leg of a Go Around procedure The Arm speed setting is too high Incorrect Cancel Button is being depressed Airspeed is too close to Arm and Trigger speeds The Arm and Trigger speed settings are too high e g the aircraft is hovering near the Arm and Trigger speeds re arming the unit and triggering it again during pattern work Hook up wiring is compromised Refer to Section 2 3 of this manual to obtain desired settings Depress the cancel button for the operation e g the upper Cancel Button for cancelling the Gear is UP warning Maintain slightly higher speeds Refer to Section 2 3 of this manual to obtain desired settings Check for faults with installation wiring This includes corrosion damaged insulation loose or corroded terminal lugs and ground contacts Gear Sensors are incorrectly installed mis wired or malfunctioning Check the position sensors for damage and adjustment according to the applicable schematic maintenance manuals etc 5 1 14 TITLE REVISION DATE 8 24 15 SUBTITLE EROCET Incorporated Service Manual and I C A PAGE 28 of 1 A 10039 FILE NO REVISION
25. tness is increased for better visibility during daytime and reduced for better visibility during night time The TEST button in the center left position of the face illuminates all lighting on the unit to verify proper operation at each position Intensity of lights may vary when the TEST button is depressed but still offer indication that all lights are functioning TEST BUTTON FOR INDICATOR LIGHTS AND AUDIO vc 3 06 CANCEL GEAR UP AUDIO J cb f WHEN LIT GEAR IS UP FOR WATER LANDING WHEN LIT ELECTRIC HYDRAULIC PUMP IS RUNNING gt S WHEN LIT GEAR IS DOWN FOR RUNWAY LANDING CANCEL GEAR DOWN AUDIO Figure 2 1 1 Indicator Light Pattern Display face EROCET Incorporated Szen 12 of 5 1 14 E FILE NO TITLE Service Manual and I C A A 10039 REVISION 7 REVISION DATE 8 24 15 SUBTITLE Aerocet GC700 Gear Advisory 02 2 2 Audio Reference Figure 2 1 1 The GC700 audio announcements are triggered at airspeed ARM and TRIGGER settings which are factory pre set for the aircraft type The GC700 is armed when the aircraft accelerates through the ARM speed As the aircraft enters its approach for landing it decelerates through the pre set trigger speed triggering an audio announcement of the gear position If the gear is not in a fully retracted or a fully deployed position then a gear unsafe announcement will
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