COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER

12) Inspect sleeve (14) and sliding body (13) for oozing and check that the pressure indicated on the pressure gage has not dropped. 13) If the pressure has dropped, inspect for leaks and repair. 14) Close nitrogen cylinder (1 ). 15) Loosen the valve mechanism by unscrewing the plunger of plunger valve (7). 16) Open bleed valve (1 0) to drop the pressure inside the hose. 17) Unscrew adjustment screw of pressure reducer (3). 18) Disconnect the shock absorber from the system by disconnecting valve end (8). 19) Inspect the mechanism of inflating valve (12) for tightness. 20) Screw valve cap (11 ). 32-12-02 Page 4 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 1 - Nitrogen cy li nder 2 - Pressu re gage 3 -Press u re reducer 4 - Isolating valve 5 - Pressure gage 6 - Inflating hose 7 - Plunger valve 8 - Va lve end 9 - Union 10 - Bleed valve 11 - Va lve cap 12 - Inflating va lve 13 - Sliding body 14- Sleeve 1 --- 9 Inflation of t he shock absorber Fi gure 1 12 ------ 13 14 32-12-02 Page 5 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 2. TESTING OF THE SHOCK ABSORBER (Tables 1 and 1A) A. Tools and consumable materials - TESTWELL- WOLPERT machine B. Procedure NOTE : This test must be carried out at an ambient temperature of 68 ± 9"F (20 ± s"C). 1) Install the shock absorber on TESTWELL- WOLPERT machine. 2) Slowly compress and expand the shock absorber (at approximately 0.4 in I minute (1 0 mm I minute)) and check the shock absorber isotherm. NOTE : Make sure compression and expansion encompass the entire travel of the shock absorber. 3) Make sure the loads are within the tolerances. 4) If necessary, re-adjust the inflating pressure or refer to the troubleshooting table. 5) Inspect the sliding body for leaks or oozing. 6) Perform a tightness test a) Compress the shock absorber until it mechanically abuts. b) Hold the shock absorber in this position for at least 30 seconds. c) Ensure there are no leaks. 32-12-02 Page 6 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 Travel (mm) 0 10 20 30 40 50 60 65 70 Theoretical value Value Read value (daN) min.(- 2%) max.(+ 8%) (daN) 420.4 412.0 454.0 481.5 471.9 520.0 583.3 571.7 630.0 703.7 689.6 760.0 898.2 880.2 970.0 1300.9 1274.9 1405.0 2148.2 2105.2 2320.0 2898.2 2840.2 3130.0 4500.0 4410.0 4860.0 Shock absorbers PINos. TB20 41007000 and 004 isotherm Table 1 32-12-02 Page 7 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 Travel (mm) 0 10 20 30 40 50 60 65 70 Theoretical value Value Read value (daN) min.(- 2%) max.(+ 8%) (daN) 445.2 436.3 480.8 508.8 498.6 549.5 614.8 602.5 664.0 742.0 727.2 801.4 954.0 934.9 1030.3 1378.0 1350.4 1488.2 2380.0 2332.4 2570.4 3150.0 3087.0 3402.0 4770.0 4674.6 5151.6 Shock absorber P/N TB20 41013004 isotherm Table 1A 32-12-02 Page 8 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 3. TROUBLESHOOTING (Figure 3) ANOMALY PROBABLE CAUSE CORRECTIVE ACTION Hydraulic fluid leak at sliding 0-ring(s) (3-040) damaged. Replace 0-ring(s) (3-040). body I sleeve assy. Hydraulic fluid leak at sleeve 0-ring (3-070) damaged. Replace 0-ring (3-070). assy I lower body. Pressure drop. Leak at inflating valve I sliding Replace seal (3-140). body. Valve mechanism (3-120) Replace valve mechanism (3-120). damaged. 32-12-02 Page 9 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 DISASSEMBLY 1. DISASSEMBLY OF THE SHOCK ABSORBER (Figures 2, 3 and 4) WARNING DEFLATE AND DRAIN THE SHOCK ABSORBER PRIOR TO DISASSEMBLY. CAUTION SEALS MUST BE REMOVED WITH A NYLON SPATULA TO AVOID DAMAGING THEIR GROOVES. A. Tools and consumable materials - Nylon spatula - Bench vise with protective jaws - Spanner 1.850 in (47 mm) - Hot air generator ZOO.N6046267220 B. Removal of sliding body assembly 1) Remove and discard lead plug (2-030). 2) Clear and discard retaining ring (2-040) by rotating sleeve (3-060) counter-clockwise. 3) Clear the sliding body assembly by pulling it upwards. TB20 41 007000 4) Remove bolt (4-030) and ring (4-040). Discard ring (4-040). C. Disassembly of sliding body assembly 1) Remove valve body (3-11 0) and seal (3-140). Discard seal (3-140). 2) Remove diaphragm assembly (3-100). 3) Remove jet (3-080) and valve (3-090). 4) Clear sleeve (3-060) equipped with sliding body (3-01 0). 5) Heat (212"F [100"C] max.) the end of sleeve (3-060), extract and discard wiper ring (3-020). 6) Remove and discard washer (3-030). 7) Remove and discard 0-rings (3-040). 8) Remove and discard back-up rings (3-050). 32-12-02 Page 10 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 CLEANING 1. GENERAL Remove all Loctite and Mastinox residues. All the components must be cleaned with white spirit and dried with compressed air. Painted portions must be stripped if they require metallurgic inspections (Dye penetrant or magnetic particle inspection). 32-12-02 Page 11 Downloaded on by - © Daher. No distribution without the permission of Daher. SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 INSPECTION I CHECK 1. GENERAL Once disassembled, the inspections to be carried out on the shock absorber are as follows : - Visual inspection, - metallurgic inspection. A. Visual inspection It consists in looking for evidence of impacts, seizing, battering, wear, etc., as well well as surface protection defects, oxidation, corrosion, etc. This inspection must be carried out using a 5 X magnifying lens. B. Dye penetrant or magnetic particle inspection NOTE : A dye penetrant or magnetic particle inspection is performed when an anomaly has been detected during visual inspection or for part condition cross-checking purposes. CAUTION : NO CRACKS ARE ALLOWED. 1) Crack detection on steel parts must be performed by dye penetrant inspection or by magnetic particle inspection according to SD-DQ-053 or SD-DQ-054 inspection specifications. 2) Crack detection on light alloy parts must be performed by dye penetrant inspection according to SD-DQ-053 inspection specification. NOTE : All these inspections must be performed after all the parts have been cleaned - refer to the Cleaning chapter. 2. INSPECTION PROCEDURE (Figures 2, 3 and 4) A. Tools and consumable materials - Inside micrometer B. Procedure 1) Inspect sliding body (3-01 0) a) Visually inspect sliding body for cracks, impact marks, wear and corrosion. b) Inspect the threads receiving valve body (3-130) and diaphragm (3-1 00} for condition. 2} Inspect sleeve (3-060) a) Visually inspect the sleeve for cracks, impact marks, wear and corrosion. b) Inspect the grooves receiving 0-rings (3-040} and (3-070} and retaining ring (2-040) for condition. c) Inspect the sleeve bore for condition. 3) Inspect lower body (4-01 0) assembly a) Visually inspect the lower body assembly for cracks, impact marks, wear and corrosion. b) Inspect body bores for condition. c) Inspect the groove housing retaining ring (2-040) for condition. d) Check that the inner diameter of bushings (4-020) is 0.472 [+ 0; + 0.001) in (12 [+ 0; + 0,027] mm). 32-12-02 Page 12 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 TB20 41 007000 e) Inspect the threads receiving bolt (4-030) for condition. 4) Inspect the threads of diaphragm (3-1 00) for condition. 5) Inspect the overall condition of : - jet (3-080), - valve (3-090), - diaphragm (3-1 00), - valve body (3-110), - cap(3-130). TB20 41 007000 - bolt (4-030) 32-12-02 Page 13 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 REPAIR 1. REPLACEMENT OF BUSHINGS (Figure 4) A. Tools and consumable materials - Hot air generator ZOO.N6046267220 - Methyl-Ethyl-Ketone (M.E.K.) - Loctite 641 B. Procedure 1) Heat (212.F [1oo·C] max.) the yoke of lower body (4-010) assembly then extract and discard bushings (4-020). 2) Remove Loctite residues from yoke bores. 3) Degrease yoke bores and new bushings (4-020) with M.E.K. 4) Evenly coat the outer diameter of a bushing (4-020) with Loctite 641 then insert it with a slight rotational movement to spread the adhesive. Make sure the bushing is correctly centered on the yoke. 5) Repeat step 4) for the second bushing (4-020). 6) Clean excess adhesive. 32-12-02 Page 14 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 ASSEMBLY 1. ASSEMBLY OF THE SHOCK ABSORBER (Figures 2, 3 and 4) CAUTION : PRIOR TO ASSEMBLY, LUBRICATE ALL THE SEALS WITH HYDRAULIC FLUID. NOTE : Prior to assembly, clean all the parts with white spirit- refer to Cleaning chapter. Prior to assembly, all components must be inspected in accordance with Inspection I Check chapter. A. Tools and consumable materials - Installation tool 9620 TB1 0 41066000 - Bench vise with protection jaws - Spanner 1.850 in (47 mm) - Punch - Methyl-Ethyl-Ketone (M.E.K.) - Clean, lint-free cloths - Hydraulic fluid AIR 35208 grade H515 (MIL-H-5606G} - Loctite 542 without accelerator - Mastinox 6856K (MIL-P-81168) - Grease AIR 42148 (MIL-G-60320) B. Build-up of sleeve (3-060) 1) Install a back-up ring (3-050), an 0-ring (3-040), the second back-up ring (3-050), the second 0-ring (3-040) and washer (3-030}. 2) Slide in wiper ring (3-020) with installation tool. 3) Fill the groove with grease AIR 42148 (MIL-G-60320). 4) Install 0-ring (3-070). C. Build-up of sliding body (3-010) 1) Degrease jet (3-080) and diaphragm (3-1 00) with M.E.K. 2) Install valve (3-090) on jet (3-080). 3) Coat the threads of jet (3-080) with Loctite 542 and install the jet on diaphragm (3-1 00}. 4} Make sure valve (3-090} moves freely and seats correctly on diaphragm (3-1 00). 5) Coat the threads of diaphragm (3-100} with Loctite 542 and install diaphragm on sliding body (3-01 0). D. Assembly of the shock absorber 1) Coat the chromium-plated portion of sliding body (3-01 0) and wiper ring (3-020) with hydraulic fluid. 2} Engage sleeve (3-060) assembly onto sliding body (3-01 0) assembly. 3) Engage the obtained assembly into lower body (4-01 0} or (4-Q1 OA) while aligning the hole of sleeve (3-060) with the aperture in lower body. 32-12-02 Page 15 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 4) Coat a retaining ring (2-040) with Mastinox 6856K (MIL-P-81168) and install it while rotating sleeve (3-060) clockwise. 5) Remove excess Mastinox from the sliding body aperture. 6) Install and stake a lead plug (2-030). 7) Degrease the threads of valve body (3-11 0), the threads and the seating face on sliding body (3-01 0) and the seal (3-140). 8) Install seal (3-140) on valve body (3-11 0) and coat the threads and the washer with Loctite 542. 9) Install valve body assembly on the sliding body. 10) Remove excess Loctite. 11) Replenish the shock absorber with hydraulic fluid and inflate - refer to Testing and Troubleshooting chapter. 12) Test the shock-absorber- refer to Testing and Troubleshooting chapter. 32-12-02 Page 16 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 STORAGE 1. STORAGE OF THE SHOCK ABSORBER (Figure 3) A. Tools and consumable materials - Grease AIR 42148 (MIL-G-60320) - Oiled paper - Air bubble polyethylene film - Polysterene chips - Heat-sealable bag - Cardboard box B. Protection NOTE : If the shock absorber is to be shipped by plane, deflate it to a 29-psi (2 bars) pressure and attach a warning tag to the valve - refer to Testing and Troubleshooting chapter. 1) Carefully lubricate the portions to be protected with grease AIR 42148 (MIL-G-60320). 2) Wrap sliding body (3-01 0) in oiled paper. 3) Wrap the shock absorber in a heat-sealable bag. 4) Tightly heat-seal the bag. C. Packaging 1) Place the shock absorber wrapped in its heat-sealable bag in a cardboard box. 2) Provide adequate anti-shock protection to shock absorber with : - air bubble polyethylene film pads, - polystyrene chips. 3) Put a plastic bag containing the unit follow-up documents (follow-up record sheet, inspection report, etc.) in the packing container. 4) Close the packing container and stick a label to indicate : - Consignor I Consignee, - Delivery note reference, - Unit description with : part number(s), serial number(s), storage date, special instructions for transport and storage. 5) Store the packed unit, sheltered from moisture and salt-laden air, at 45 to 70 % hygrometry. 32-12-02 Page 17 Downloaded on by - © Daher. No distribution without the permission of Daher. SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 D. Destorage 1) Read the special instructions mentioned on the packing container. 2) Open the packing container and retain the unit follow-up documents. 3) Remove the unit from the heat-sealable bag. 32-12-02 Page 18 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 SPECIAL TOOLS, FIXTURES AND EQUIPMENT 1. INDEX OF SPECIAL TOOLS, FIXTURES AND EQUIPMENT 1 : Testing and Troubleshooting 4 : Inspection I Check 7: Storage 2 : Disassembly 5: Repair PART NUMBER DESCRIPTION TESTWELL- WOLPERT machine Filling, inflating and bleeding device 9620 T8 10 41 066000 Installation tool ZOO.N6046267220 Hot air generator Graduated test tube Spanner 1.850 in (47 mm) 2. LIST OF INGREDIENTS 1 : Testing and Troubleshooting 4 : Inspection I Check 2 : Disassembly 5: Repair 7: Storage INGREDIENTS SUPPLIER OR ADDRESS DESCRIPTION MANUFACTURER White Spirit (PO 680 Type 1) Local purchase Methyl-Ethyl-Ketone Local purchase (M.E.K.) Oiled paper Local purchase Grease AIR 42148 Local purchase (MIL-G-60320) Air bubble polyethylene film Local purchase Polystyrene chips Local purchase Heat-sealable bag Local purchase Hydraulic fluid Local purchase AIR 35208 grade H515 (MIL-H-5606G) Carboard box Local purchase Nitrogen, quality U Local purchase 3: Cleaning 6: Assembly 1 2 3 X X X X X 3: Cleaning 6: Assembly 1 2 3 X X X USE 4 USE 4 5 6 7 X X 5 6 7 X X X X X X X X 32-12-02 Page19 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 INGREDIENTS SUPPLIER OR USE ADDRESS DESCRIPTION MANUFACTURER 1 2 3 4 Loctite 542 Local purchase Loctite 641 Local purchase Mastinox 6856K Local purchase (MIL-P-81168) 5 6 7 X X X 32-12-02 Page 20 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 ILLUSTRATED PARTS LIST 32-12-02 Page 21 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 CROSS-REFERENCE TABLE SOCATA MANUFACTURER MANUFACTURER FIG ITEM QTY P/N P/N CODE ZOO.N51 02953180 E27311 H50Q18AGUL F0110 4 30 1 ZOO.N54142211 00 10RH803 5M F0224 3 120 1 ZOO.N7061 0807 47 VBY SF 35X45X7/1 0 F0384 3 020 1 ZOO. N7061 0807 48 35X41.3X1 F0384 3 050 2 ZOO.N7061550006 BSA5PC851 F0229 4 40 1 ZOO. N7079118718 28718-68 F0826 3 130 1 ZOO.N714511 0800 34308-00 F0826 3 110 1 ZOO. N717 4118929 32029-69 F0826 3 120 1 ZOO. N7 423081 041 4137P5 F0384 3 040 2 ZOO.N7423161004 8X12X1 ALUMINIUM F0438 3 140 1 ZOO. N7 423821406 40X2 P5 F4482 3 070 1 32-12-02 Page 22 socATA coMPONEN1 MAINTENANCE MANUAL SHOCK ABSORBER PAR1 NUMBERS 1820 41007000,1820 41007004,1820 41013004 ~ ------- 020 030 040 snac k aosoroer assembly Figure 2 32-12-02 page Downloaded on by - © Daher. No distribution without the permission of Daher. SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 FIGURE PART NUMBER DESCRIPTION EFFECT. ITEM 1234567 2 -001A TB20 41 007000 . SHOCK ABSORBER ASSY -001B TB20 41007004 . SHOCK ABSORBER ASSY -001C TB20 41013004 . SHOCK ABSORBER ASSY 010 32-12-01-3 .. SHOCK ABSORBER - SLIDING BODY 020 32-12-01-4 .. SHOCK ABSORBER - LOWER BODY ATTACHING PARTS 030 TB30 41007119 .. LEAD PLUG 040 TB30 41047100 .. RETAINING RING * * * 32-12-02 QTY OBS RF RF RF 1 1 1 1 Page 24 socATA coMPONENT MMNTEtiAtiCE MANUAl. SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 ~ -- 020 ~----- 030 c 070 oa o 090 100 ,, 1 , 1 1 , 1 , 1 1 , 1 , 1 Shock absorber - Slidi ng bodY figure 3 32-12-02 P< FIGURE ITEM 3 -001 010 020 030 040 050 060 070 080 090 100 110 120 130 140 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 PART NUMBER 1234567 DESCRIPTION EFFECT 32-12-02-2 SHOCK ABSORBER - SLIDING BODY TB30 410401 00 • SLIDING BODY ZOO.N7061080747 . WIPER RING TB30 410481 00 . WASHER ZOO. N7 423081 041 . 0-RING ZOO.N7061 0807 48 . BACK-UP RING TB30 41042100 . SLEEVE ZOO.N7423821406 .0-RING TB30 41 0501 00 .JET TB30 41051100 • VALVE TB30 41052100 • DIAPHRAGM ZOO.N7145110800 . VALVE BODY ZOO.N7174118929 • VALVE MECHANISM ZOO.N7079118718 .CAP ZOO.N7423161004 .SEAL 32-12-02 OTY OBS RF 1 1 1 2 2 1 1 1 1 1 1 1 1 1 Page 26 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 010 ----- ~,020 ®-- 040 !-----030 Shock absorber - Lower body Figure 4 32-12-02 Page 27 FIGURE ITEM 4 -001 010 -10A 020 030 040 -050 SOCATA COMPONENT MAINTENANCE MANUAL SHOCK ABSORBER PART NUMBERS TB20 41007000, TB20 41007004, TB20 41013004 PART NUMBER 1234567 DESCRIPTION EFFECT. 32-12-02-2 SHOCK ABSORBER - LOWER BODY TB30 41 0461 00 . LOWER BODY 1A REPLACED BY TB20 41 0091 00 TB20 410091 00 . LOWER BODY 1B,C TB30 41 0491 00 . BUSHING ZOO. N51 02953180 • BOLT 1A ZOO.N7061550006 • RING 1A TB10 72013900 . IDENTIFICATION PLATE QTY OBS RF 1 NP 1 2 1 1 1 32-12-02 Page28