Sierra Industries Ltd.
Contents
1. 2 28 ASSY GOUHSNd Sze z8 ASSV ANVUIT1394 13790945 91 92 28 ASSY 3198V9 NUNLIY L bb L728 ASSY 318V9 193410 dV14 bE bbL 28 juowobueny ond ado ASSY ONIYdS ASST NIS WIYL WOWUL 4713 0 28 JAYALS 3503 i YOLOW WIYL ASSY H LIMS Y019313S 4715 A 440 9 6 81 28 AN D hL SHA Bladen A YNVUI11498 ae arti ddO WOVUL HOV LY 0351 SLIM Y31108 d 14 YNYY971134 d 1 7 WOVUL 4713 6 01 28 WIVaL 4713 0b2 28 AINO 2207 S39V1d 5 ASSY 7139 13720945 91 92 28 ASSY 318V9 193410 2 12 28 5 318V9 193810 6b E228 7 of 14 5109 82 Series 1 Rev A 06 12 2012 JUNON pemo 2 12 5 Z mi sierra INDUSTRIES LTD S TANVd LNAWNNULSNI YSGNN LNIOd HOVLLV 37919 1OULNOD L94374S4ud 4715 GUVMUOI LV GUVOGLNO ONIMOOT MIIA NMOHS SV LNIOd HOVLLV 37979 1OULNOD LIA1SSAYd dV14d ALVIOTIY 122 Howard Langford Drive Sierra Industries Ltd Uvalde Texas 78801 8 of 14 5109 82 Series 1 Rev A 06 12 2012 sierra INDUSTRIES LTD S 122 Howard Langford Drive Sierra Industries Ltd Uvalde Texas 78801 LNAWHOVLLV 37979 IOULNOD L9J13SJY4d 4713 LV ATSINASSV JIANVH YOLIATAS LV GUVOGNI ONIMOOT 319 12. Drive Uvalde TX 78801 Phone 830 278 4481 Toll Free 888 835 9377 Fax 830 278 7649 E Mail chip sijet com Aircraft Serial Number Aircraft Registration Number Aircraft Total Time Aircraft Registered Owner and Address Report Submitted By Date Printed Name 5109 82 Series 1 Rev A 06 12 2012 14 of 14
3. bellcranks per Figure 4 Reconnect flap link pushrods Both wings 7 Use the RIT 82 700 3A Clocking Tool to set the length of the 82 224 1 pushrods per Figure 5 Both wings 8 Reconnect the 82 224 1 pushrods to the 82 318 1 2 opp flap bellcranks per Figure 5 Both Wings 9 Move flaps by hand to full UP and full DOWN positions Check all moving parts for clearance freedom of movement and full travel 10 Connect the 82 711 11 flap drive cables around the flap drive motor drive sprocket and adjust direct cable tension to 200 20 lbs Use the RIT 82 700 3A Clocking Tool to check for proper clocking of the flap drive bellcranks while bringing up cable tension see Figure 5 11 Remove all rigging tools from the flap system Making sure the flaps are clear place the flap selector handle in the UP position and run the flaps a few degrees UP using the flap motor circuit breaker 12 Place the flap selector handle in the DOWN position and using the flap motor circuit breaker run the flaps DOWN until the limit switch on the flap motor engages 5109 82 Series 1 Rev A 06 12 2012 4 of 14 Sierra Industries Ltd 122 Howard Langford Drive sierra Uvalde Texas 78801 INDUSTRIES LTD 13 Using the RIT 82 700 3A Clocking Tool check the flap drive bellcranks for proper clocking If clocking has changed readjust the cables per step 10 14 Upon obtaining a satisfactory DOWN 30 09 29 position place the flap selector h
4. ly H peoh 11 of 14 5109 82 Series 1 Rev A 06 12 2012 sierra INDUSTRIES LTD S Sierra Industries Ltd 122 Howard Langford Drive Uvalde Texas 78801 5 10400105 2 JO Z LHS Ve 002 28 LIY 1001 SNISN NMOHS NOISNAWIG OL LSNrav NOILISOd 0 SdV14 ddO NMOHS 9NIM dV14 QANI 00 28 LIY lt MYNVUIT1ISE LAWIOUdS GOYHSNd 907 A Ji 60 09S MNWUITIAG 137120345 12 of 14 5109 82 Series 1 Rev A 06 12 2012 a GeD 199 5 9 64 9 sierra INDUSTRIES LTD S 1IVLAG 9 1IVLad 31912 1937135394 4 8 N dWV19 76125115 1 LNO ONINOLLOS 37979 193135354 4713 a LAN 2201 92025 AHL 30 NOILVSIGNI NY 38 HOIKM NOIL931430 a ANY JO LV HOVILY JAYISJO NOILISOd 7113 OL 9NNIJAVYL JYV ALON 1108 1937353 122 Howard Langford Drive Sierra Industries Ltd Uvalde Texas 78801 13 of 14 5109 82 Series 1 Rev A 06 12 2012 INDUSTRIES LTD Sierra Industries Ltd 122 Howard Langford Drive Y sierra Uvalde Texas 78801 S Record of Compliance Please report compliance with this Service Bulletin to Chip King Sierra Industries Ltd 122 Howard Langford
5. 2 3 of 14 Sierra Industries Ltd 122 Howard Langford Drive sierra Uvalde Texas 78801 INDUSTRIES LTD 2 Connect forward end of flap preselect control cable to flap preselect assembly at the instrument panel using screw spacer and nut retained from earlier removal see Figure 3 3 Do not connect flap preselect control cable to flap extend cable at this time RIGGING PROCEDURE 1 The flaps must be installed and operating smoothly by hand and the flap preselect control cable should be disconnected from the flap drive cable The flap drive motor sprocket should be clear 2 Adjust the down limit switch on the flap motor the lower switch for maximum travel It may be necessary to bend the switch arm no more than the 1 10 to insure that the cam will actuate the limit switch NOTE Assure that the limit switch shaft movement is properly adjusted per the Cessna 414A service manual 3 Position the flap selector switch assembly at a mid travel position and the flap selector in the full DOWN position 4 Turn the battery master switch on and using the flap motor circuit breaker run the flap motor to the full DOWN position 5 With flaps full DOWN 30 ils Disconnect flap link pushrods 2 Bottom flap rollers in track slots 3 Disconnect sprocket bellcrank pushrod at attachment to flap bellcrank 6 With the flaps in the bottom 30 position of the tracks use the RIT 82 700 1 Rigging Tool to assure a proper clocking of the flap
6. 937135334 4 13 Ebb bL 28 9015 LAN 8501 17028 QOY 0115 434 HOLIMS 9713 ONISN 37972 TIVLSNI ASSY WHY 2 108 28 1709 4015 NMOG 918 2 O1 096NV MIYIS O1 F 60ZZSN HOLIMS NMOG 4714 N NIA 4384 HOLIMS 9NINYYM 1104 4015 dn 9 of 14 5109 82 Series 1 Rev A 06 12 2012 sierra 122 Howard Langford Drive Sierra Industries Ltd Uvalde Texas 78801 UOHISOg 05 defy y omb 21160440 ONIM HY NMOHS BE oo ez er s 05 66 ANI THALNAD ONIEOL 00278 OL IVWHON LSMW OTAM 31150440 3973 39 3 SIHL YIHSYM 9L9I096NY TIM 9L99096NV WOVE 000 2 511 13 t W130 SI Td dA Vid SLE 38 OL YILIWVIA SNIENL ONIGNL 712215 OL YIHSYM 046 or ONISML 72215 OL OL SHSHM 40 3903 WOH OF ONIVO 10 of 14 5109 82 Series 1 Rev A 06 12 2012 sierra INDUSTRIES LTD S vb _ 122 Howard Langford Drive Sierra Industries Ltd Uvalde Texas 78801 poiysnd 10400105 JO 1 LHS 1 7Z02 060 THLN WE 002 78 ee eee os et Sz via 052 1 OL 28 S00 09S i ovr 1015 Ov 1444 99 022
7. Sierra Industries Ltd 122 Howard Langford Drive Uvalde Texas 78801 WS sierra SERVICE BULLETIN TITLE FLAP PRESELECT CONTROL CABLE REPLACEMENT NUMBER _ SI09 82 Series 1 EFFECTIVITY Cessna 414A Aircraft Modified by STC SA892NW Cessna 402C Aircraft Modified by STC SA927NW REV DATE DESCRIPTION APPROVED BY 09 08 2010 Initial Revision Chip King 06 12 2012 Minor revision to reflect ICA 82 1 Issue 1 Chip King REASON To alleviate a pre load condition on the flap drive cables when flaps are in up position DESCRIPTION This service bulletin provides parts and instructions to replace the existing flap preselect control cable with an improved control cable new flap preselect arm assembly and new flap speed placard to alleviate a possible pre load condition on the flap drive cable system when flaps are in the up position COMPLIANCE MANDATORY APPROVAL FAA approval has been obtained on technical data in this publication that affects airplane type design 5109 82 Series 1 Rev A 06 12 2012 Sierra Industries Ltd 122 Howard Langford Drive sierra Uvalde Texas 78801 MANPOWER WORK PHASE MAN HOURS Installation 20 MATERIAL Cost and Availability PART NUMBER AVAILABILITY COST 5109 82 Series 1 Kit Contact Sierra Contact Sierra TOOLING RIT 82 700 1 Rigging Tool See Figure 4 Details for Local Manufacture or See Note 1 RIT 82 700 3A Clocking Tool See Figure 5 Details for Local Manufa
8. andle the UP position and using the flap motor circuit breaker carefully run the flaps to the full UP position 0 15 Adjust the flap motor UP limit switch to turn motor off when preload on flap return cable is 250 lbs minimum to 280 lbs maximum 16 Using the flap selector handle run the flaps DOWN and then back UP Check the flap UP position and readjust the flap motor UP limit switch as necessary Repeat this step until a satisfactory flaps UP position is obtained 17 Run the flaps to the full DOWN position 18 Adjust the flap preselect control cable sheath at the flap drive cable pulley bracket to the furthest inboard position possible 19 Extend the flap preselect control cable 1 from the fully bottomed position and attach to the flap drive cable using previously retained bolt clamp and nuts see Figure 6 20 Adjust the lower flap selector handle stop so that it stops the flap selector handle at the same time the handle contacts the lower edge of the cutout in the instrument panel see Figure 3 21 With the flap selector handle in the DOWN position adjust the cam on the handle so that 1 The down upper switch on the flap selector switch assembly is still riding on the edge of the cam but is ready to fall off the cam should the selector switch assembly move further towards the DOWN position 2 Place the flap selector handle in the full UP position and run the flaps UP It may be necessary to adjust the flap select
9. cture or See Note 1 CHANGE IN WEIGHT AND BALANCE Negligible REFERENCE Cessna 402C and 414A service documents ICA 82 1 Issue 1 Cessna 402C and 414A R STOL Fowler Flap Installation Instructions for Continued Airworthiness Note 1 Contact Sierra Industries Ltd for tool rental 5109 82 Series 1 Rev A 06 12 2012 2 of 14 Sierra Industries Ltd 122 Howard Langford Drive sierra Uvalde Texas 78801 INDUSTRIES LTD INSPECTION INSTRUCTIONS INSPECTION Perform a complete inspection of the R STOL flap system In addition perform the following checks and inspections Inspections should not be limited to these items only 1 Check condition of flaps Clean flaps and wing structure Check operation of flaps for freedom of movement and flap surface travels Flaps 0 Flap 10 1 Flap 30 0 2 Tolerance between LH and RH wing flaps 1 2 Flap tracks MUST NOT be painted and should be kept clean 3 Check flap track bearings for attachment freedom of movement and missing or damaged rollers 4 Thoroughly inspect all flap bellcranks and bellcrank mounting structure for damage deformity or cracks removal of flap bellcranks may be required also check flap bellcranks for attachment and freedom of movement 5 Check pushrods for attachment freedom of movement security Also check rod ends for attachment and seized bearings 6 Inspect nylatron side rollers at center flap tracks for wear Roller wear toleranc
10. es are OUTBD Roller 59 min diameter INBD Roller 44 min diameter 7 Contact Sierra Industries Ltd if any discrepancies are found during the inspections ACCOMPLISHMENT INSTRUCTIONS REMOVE FLAP PRESELECT CONTROL CABLE CESSNA P N 5115224 2 1 Remove necessary seats carpet and floor panels to gain access to flap preselect control cable 2 Remove nut spacer and screw attaching flap preselect control cable to flap preselect assembly at the instrument panel see Figure 3 3 Loosen nut and remove bolt and clamp from the flap extend cable and flap preselect control cable see Figure 6 4 Remove clamps securing flap preselect control cable to bulkheads and remove control cable from the airplane and discard Retain all hardware for reinstallation of new flap preselect control cable MODIFY FLAP PRESELECT CONTROL CABLE FORWARD ATTACH POINT 1 Relocate flap preselect control cable forward attach point per Figure 2 reinstall using MS20470AD4 rivets Remove 82 801 1 Arm Assembly from Flap Selector Handle Assembly and retain hardware Install 82 801 2 Arm Assembly using retained hardware per Figure 3 Trim upper portion of console as required to clear 82 801 2 Arm Assembly thru range of motion Fill existing unused holes with MS20470AD4 rivets INSTALL FLAP PRESELECT CONTROL CABLE SIERRA P N 82 711 13 1 Route new flap preselect control cable in airplane and secure with retained clamps and hardware 5109 82 Series 1 Rev A 06 12 201
11. g out while flaps are running to full UP position See Figure 6 29 Turn the battery master switch off 30 Install the new A450 129A Flap Speed Placard in place of original A450 129 Flap Speed Placard Ensure that flap indicator pointer is indicating on the placard correctly 31 Obtain quality department inspection of the flap drive system rigging 32 Check the flap drive system and flaps for installation of all safety devices 33 Install floor panels carpet and seats NOTE If adjustments to the rigging have been made a maintenance test flight should be performed to confirm proper flap rigging and to confirm that the system is operating properly 34 Make an entry in the airplane logbook stating this service bulletin has been accomplished Fill out and forward a Record of Compliance Report indicating compliance to Sierra Industries Ltd 122 Howard Langford Drive Uvalde TX 78801 Questions Toll Free 1 888 835 9377 5109 82 SERIES 1 KIT MATERIAL INFORMATION NEW QTY NOMENCLATURE OLD INSTRUCTIONS P N P N 82 711 13 1 Flap Preselect 5115224 2 Discard Control Cable 82 801 2 1 Arm Assembly 82 801 1 Discard A450 129A 1 Flap Speed Placard A450 129 Discard 5109 82 Series 1 Rev A 06 12 2012 6 of 14 sierra INDUSTRIES LTD S Sierra Industries Ltd 122 Howard Langford Drive Uvalde Texas 78801 lt YNIT OYHS Nd b 2be z8 YNIT EZLEZS OYHS Nd ddO 0 21 8 ASSY 4713 Z LLE ZS ASSY GOUHSNd
12. or handle UP stop bolt to obtain a full UP condition 22 Adjust the UP stop bolt so that the limit switches on the flap motor stop the flaps in the UP position and the UP lower switch roller the flap selector switch assembly is just ready to fall off the edge of the cam 23 If the flap selector handle UP stop bolt runs out of adjustment travel the rate of the flap selector switch assembly will have to be adjusted see Figure 3 24 This is accomplished by adjusting the rod end at the forward end of the flap preselect control cable in the slot in the 82 801 2 extension arm on the flap selector switch assembly 25 Moving the rod end forward in the slot towards the long end of the arm reduces the arc of the travel of the selector switch assembly requiring less travel of the handle for the same amount of flap travel and giving more flap travel for the same amount of handle travel 26 Adjust the gear warning switch so that it is not engaged in the 10 position but will engage immediately upon selecting the 30 position 27 Run flaps to the full DOWN position and check direct cable tension to be 200 20 lbs 5109 82 Series 1 Rev A 06 12 2012 5 of 14 Sierra Industries Ltd 122 Howard Langford Drive sierra Uvalde Texas 78801 INDUSTRIES CTO 28 Run flaps to full UP position and check that the flap return cable tension is 250 Ibs minimum to 280 Ibs maximum Observe that the flap preselect control cable is not bottomin
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