Model 6000-6100 Service Manual
Contents
1. n Pu ru FF aP aP FFFPFFPFFFFPFFFFFFPFFPFFFPFPFFPFP PPFPFFFNsNIFFFFF FF FF FF aP P F Pa aP aP aF Fa 1002553 Rev E Page 11 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL Corrosion Corrosion is a reaction that destroys metal by an electrochemical action that converts metal to oxide Corrosion is accelerated when in contact with dissimilar metals such as aluminum and steel or any material that absorbs moisture like wood rubber or dirt 1 k 70 After removing the corroded area restore area to original finish prime BOESHIELD T9 Corrosion X or 50 may also be applied to stop corrosion Refer to manufacturer s instructions for application instructions Maintaining the float inside and outside finishes by washing after saltwater operations will help protect the float from corrosion Periodically all hardware should be covered with a waterproof grease or Paralketone Under saltwater con2. 17 5 14 SERVICE MAIN GEAR OLEO 17 55 ADJUSTMENTITEST 19 524 NOSE GEARS oci emet ned 19 SA 19 5 2 3 BLEEDING HYDRAULIC SYSTEM AFTER SERVICE 19 5 3 MAIN AND NOSE GEAR REMOVAL AND DISASSEMBLY 20 5 3 1 REMOVAL OF MAIN GEAR OLEO 20 5 3 2 REMOVAL OF MAIN GEAR RETRACTION CYLINDER 20 5 3 3 REMOVAL OF MAIN GEAR DRAG LINK 20 5 3 4 REMOVAL OF NOSE GEAR FROM NOSE BOX 20 5 3 5 REMOVAL OF NOSE GEAR BOX 20 5 3 6 REMOVAL OF LOWER NOSE GEAR FROM PIVOT 21 5 3 SERVICE SCHEDULE 21 5 4 HYDRAULIC PUMP SYSTEM DISASSEMBLY AND 28 1002553 Rev E Page 3 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL FIGURE 5 1 SCHEMATIC HYDRAULIC 5 31 FIGURE 5 2 SCHEMATIC ELECTRICAL SYSTEM 32 FIGURE 5 3 ASSEMBLY MAIN GEAR RETRACTION SYSTEM 33 FIGURE 5 4 SECTION MAIN GEAR OLEO 34 FIGURE 5 3 ASSEMBLY MAIN GEAR RETRACTION SYSTEM
3. SC aF aF Fala aaa Hard Landing and Damage Investigation After a thorough cleaning of the suspected damaged area all structural parts should be carefully examined to determine the extent of damage Frequently the force causing the initial damage is transmitted from one member to the next causing strains and distortions Abnormal stresses incurred by shock or impact forces on a rib bulkhead or similar structure may be transmitted to the extremity of the structural member resulting in secondary damage such as sheared or stretched rivets elongated bolt holes or canned skins or bulkheads Points of attachment should be examined carefully for distortion and security of fastenings in the primary and secondary damaged areas at locations beyond the local damage Inspect aircraft tubes in area of float fitting attach for sign of bending cracked welds or any other signs of damage Fur Pul Fur Fur Pul ou
4. 35 FIGURE 5 4 SECTION MAIN GEAR OLEO T SEALS INSTALLED 36 FIGURE 5 5 ASSEMBLY MAIN GEAR AND 37 FIGURE 5 6 ASSEMBLY NOSE GEAR 5 38 6 0 WATER RUDDER RETRACTION AND STEERING SYSTEM 39 6 1 DESGRIP LION Rem E 39 6 2 ADJUSTMENT u T 39 7 0 REPAIRING FLOAT HULL SKINS BLKHDS AND OTHER SHEET METAL REPAIRS 39 FIGURE 7 1 TYPICAL SKIN REPAIR 40 FIGURE 7 2 TYPICAL SKIN REPAIR 41 FIGURE 7 3 TYPICAL SKIN 42 FIGURE 7 4 TYPICAL REPAIR BOTTOM SKIN TO KEEL INSTRUCTIONS 43 FIGURE 7 5 TYPICAL REPAIR BOTTOM SKIN TO KEEL INSTRUCTIONS 44 FIGURE 7 6 TYPICAL REPAIR BOTTOM SKIN TO KEEL ALT INSTRUCTIONS 45 8 0 REPAIRING FLOAT HULL SKINS 46 FIGURE 8 1 TYPICAL REPAIR SPLICE OF KEEL 47 FIGURE 8 2 TYPICAL REPAIR SPLICE OF 48 FIGURE 8 3 TYPICAL CAP SPLICE TO KEEL 49 9 0 WEIG T AND BALANCE a n sn 50 WEIGHING PROCEDURES FOR THE BEAVER 50 Page 4 of 50 1002553 RevE WIPL
5. MATCH DRILL OR LAYOUT AND DRILL HOLE PATTERN AS SHOWN RIVET OUTSIDE CAP AND SPACER TO EXISTING INSIDE EXTRUSION APPLY KEEL WEAR STRIP WITH ANY GOOD 2 PART EPOXY m o9 1002553 Rev E Page 49 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL 9 0 WEIGHT AND BALANCE WEIGHING PROCEDURES FOR THE BEAVER FLOATPLANE Level aircraft per manufacturer s instructions The Type Certificate Data sheet uses the cabin floor Place scales under the nose and main gear wheels Place blocking under right and left main gear wheels to level aircraft Drop plumb bob from wing leading edge on either side of the plane to the floor and mark with a line This is the datum line station 0 0 Measure the distance from 0 0 to each nose wheel center This is and X2 Measure the distance from 0 0 to each main wheel center This is Y1 and Y2 If the floats are seaplane floats the scales go under the step point in the rear and a point towards the front of the float These distances are measured and become the same X and Y as for the amphibian Use this table for the calculations Scale Reading Distance from 0 0 Weight x Arm Weight x Arm Moment MKI MKI Left Front X1 MK III MKI Front X2 111 MKIII Left Rear Y1 Right Rear Y2 Totals Notes 1 Zero out or deduct tare weights at the Y arms Page 50 of 50 1002553 Rev E
6. RING MS28775 234 O RING VALVE MS28775 015 O RING AN6227B 14 O RING FIGURE 5 4 SECTION MAIN GEAR OLEO 1002553 Rev E Page 34 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL DNIH O 027 9711 jp SNIH O 616 1 ides ASSY 10 IAD ONIS m 0 006 1 NOTAN 1133 OHIO 1H3SMHI 39011 30115 542428135 201 FIGURE 5 3 ASSEMBLY MAIN GEAR RETRACTION SYSTEM Page 35 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL MS28775 01 1002035 WIPER O RING 1002027 T SEAL 1002028 T SEAL 1002027 T SEAL 1002028 T SEAL VALVE MS28775 015 O RING MS28775 116 FIGURE 5 4 SECTION MAIN GEAR OLEO T SEALS INSTALLED Page 36 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL 133HM 310H 9 031 10 3INOSJHO 8 2259861 133H 031 14 3NO8HO 98180 1 38 7 3 03 6 6 310H 9 3 908H2 JN 8 42 JEZE 3 1 031 10 4 7 301 5110 ONY ONISY38 01262017 3011 1380 301501 38 7 2016100 Was 6622 5074 NFHS 0090 9902 9 8 X 90 FIGURE 5 5 ASSEMBLY MAIN GEAR AND BRAKE Refer to Parts Manual for complete parts list Page 37 of 50 1002
7. SEALANT INSERT REPAIR SKIN INTO EXTRUSION INSTALL SPACER BETWEEN REPAIR SKIN AND EXTRUSION DRILL AND COUNTERSINK HOLES AND RIVET INTO PLACE DoR Page 44 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL YIO 880 1 1 FIGURE 7 6 TYPICAL REPAIR BOTTOM SKIN KEEL ALT INSTRUCTIONS ALTERNATE METHOD 1 REMOVE ORIGINAL DAMAGED SKIN LEAVING APPROXIMATELY 1 15 OF SKIN PROTRUDING FROM EXTRUSION 2 REMOVE CAULKING FROM GROOVE IN EXTRUSION 3 INSTALL SEALANT IN GROOVE BE SURE TO USE PLENTY OF 4 INSERT REPAIR SKIN GROOVE APPROXIMATELY 5 LAYOUT HOLE PATTERN DRILL DE CHIP SEAL AND RIVET 1002553 Rev E Page 45 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL 8 0 REPAIRING FLOAT HULL SKINS All extrusions in the float hull are formed 6061 T6 aluminum alloy Extrusions have channels on both sides which the hull skins are bonded to All extrusions may be repaired by splicing as shown in figure 8 1 and 8 2 or capped as shown in figure 8 3 Splicing normally is done when both sides of an extrusion are damaged Capping is done when only the outside of an extrusion is damaged such as the main keel during gear up landings on pavement Capping also is done when the original skin is still bonded to the inside of the extrusion Sections of extrusion for splicing or capping may be purchased from Wipaire in any length needed Stub skins can also be bonded on extrusion
8. and lube with LPS 2 fittings for cable slippage cracks and distortion cable pulleys for freedom of Check water rudder steering X rotation and cable guard pins for presence cable attach bolt for wear and rigging amp tension at 40 16 5 16 lube with grease Water rudder blades and posts inspect for Check post bolts and bushing damage security of attachment corrosion wear Lube with LPS 2 X paint rigging Electrical Pump and indicator light wiring inspect for System chafing broken or loose terminals and X general condition Solenoids inspect wiring mounting and general condition X Pressure Switches inspect wiring mounting and general condition X Pump Motors inspect wiring mounting and general condition X Landing Clean amp Lubricate nose gear tracks If the track is gold colored Gear grease for lubrication Systems If the track is black should be X clean and dry or clean and wipe with spray silicone on a towel Nose Gear Box Block Tracks measured at slide route for wear X 050 inches or less wear tolerance 1002553 Rev E Page 25 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL INSPECTION TIME LIMITS amp CHECKLIST INSTRUCTIONS PROCEEDURES HOURLY LIMITS MECHANIC INSP 25 50 100 200 Right Left Nose gear pivot blocks and forks inspect Check side play 3 32 1 16 for condition lubrication corrosion paint tolerance X Nose and main wheel bear
9. condition inspection Main gear oleos inspect for evidence of leakage proper extension check cylinder X for corrosion pitting cleanliness and security Hydraulic lines and fittings inspect for Refer to section 5 2 X leaks condition and security Hydraulic Manifolds if equipped inspect X for condition security and leaks Brake system plumbing inspect for leaks X condition and security 5606 hydraulic fluid amp Nitrogen Main gear oleos service Refer to section 5 2 X Perform retraction test Inspect main gear up and down lock hooks for proper X engagement Inspect nose gear trolley for Inspect UP and DOWN switches amp lights pr ner travel X Inspect nose gear for excessive X play in the down position Perform emergency gear X extension amp retraction bearings with Nese ang main wheal beanngs recommended water resistant X disassemble and inspect grease 1002553 Rev E Page 27 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL 5 4 HYDRAULIC PUMP SYSTEM DISASSEMBLY AND SERVICE The hydraulic pump is factory preset to the following pressures Pressures switch operates below 500 psi and shuts off at 1000 psi The pump also has an internal relief valve that opens at 1200 psi and a thermal relief valve that opens at 1900 psi These pressures are set with factory test equipment and are recommended to be sent back for overhaul or repair The
10. list of recommended lubricants and protection products This lists products used by Wipaire during assembly of the floats There may be equivalent products that are just as satisfactory for protection It is recommended if trying different products to inspect them frequently so as to determine their effectiveness 1002553 Rev E Page 21 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL Protection of nuts bolts hydraulic lines or metal surfaces Zip D 5029NS Corrosion Inhibiting Compound Zip Chemical Company CRC 5 400 Soft Seal Tef Gel CRC Industries Ultra Safety Systems Inc General Lubricants Float Sealant LPS 1 LPS 2 and LPS 3 890 B2 or B4 LPS Industries Pro Seal Company Wheel Bearings PR 1440 C HCF Grease P N 605 PPG Aerospace HCF Industries 1422 B2 B4 or B6 Aeroshell 22 Pro Seal Company Shell Global Solutions 7 RTV Silicones Green Grease Multi Purpose General Electric Green Grease Inc SIKAFLEX 201 or 252 Aviation Grease SHC 100 Sika Manufacturing ExxonMobil Aviation Lubricants Telflon Spra Rust Protection 6P 730A Boeshield T9 Rut Protection Comet Industries Boeing Company Electrical Insulating Compound Corrosion X Dow Corning 4 DC4 Corrosion Technologies Corp Dow Corning Corporation ACF 50 Rust Protection f existing grease cannot be identified you must lubri flush all float grease fittings until visibly exhausting all old grease and new grease is coming out Additionally if you cannot
11. place gear selector handle in neutral position lever between up and down and remove hydraulic lines Remove end cap from end of cylinder Drain fluid Remove forward end of cylinder from bulkhead flange Remove cylinder support ring from bulkhead NOTE Piston to be in the up position for cylinder removal Remove cylinder from piston and up through top float inspection cover To remove piston remove top inspection cover on top forward end of gear tunnel accessible from top float inspection cover forward of step Pull back piston to expose top of carriage in center of access cover Remove 25 dia retention bolt Remove piston by pulling aft See figure 5 3 for part breakdown 5 3 3 REMOVAL OF MAIN GEAR DRAG LINK Remove drag link from trunnions on step bulkhead Axle is heat shrunk to drag link and is not removable 5 3 4 REMOVAL OF NOSE GEAR FROM NOSE BOX Gear must be in down position Relieve pressure in system place gear selector handle in neutral position lever between up and down and remove rear hydraulic line Remove 4 bolts on forward end of cylinder Drain fluid Pull aft to expose internal piston rod Loosen jamb nut on forward side of cylinder ram at rod end Turn piston from aft side of nose box out of rod end Lift up on gear assembly to unlock Slide out of nose box Note On installation adjust piston so it bottoms out on aft flange when nose gear is in locked position Also note orientation of trolley blocks The side w
12. sections if desired to simplify the repair There are many ways to repair Wipline floats and each method depends on the degree and location of the damage The following figures are examples of some repairs For additional help contact the Wipaire Customer Service at 651 451 1205 Page 46 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL EXISTING KEEL WITH DAMAGED AREA REMOVED USE AN426AD5 C SUNK RIVETS 82 159 DIA 1000 C SUN REMOVE OUTSIDE OF KEEL APPROXIMATELY 3 AS SHOWN TO RECEIVE REPAIR KEEL REPAIR KEEL PRECUT AND MACHINED FROM FACTORY FIG URE 8 1 TYPICAL REPAIR SPLICE OF KEEL Page 47 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL 0 70 ONY 00 7 8 INIHI UIA 3113230 01 006 SY nf NID 20 3015110 340030 4405 3 0001 VIO 68 08 3110 0 0 ISN 310131 VIVY 1 KLIM 0 FIGURE 8 2 TYPICAL REPAIR SPLICE OF CHINE 1002553 Rev E Page 48 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL lt 4 510 100 A8 310133 30 5181 01 3 3013015110 1 NV dV 2019100 3413238 01 SLIMY 3512 1 350 NAS 0001 YIO 6517 128 015041 3 30 301541 01 030108 1175 0 013 NOUS 115145 090 113384 dV MIN FIGU RE 8 3 TYPICAL CAP SPLICE TO KEEL 1 LAYOUT NEW REPAIR CAP ON DAMAGED EXTRUSION 2 REMOVE OUTSIDE OF DAMAGED EXTRUSION BY FILING OR GRINDING TO INSIDE SHAPE OF REPAIR CAP
13. 553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL SLIDE BLOCK SEE INSET TROLLEY AXLE 3 lt ROLLER DOWN STOP 2 4 pe 59 N 5 iw UP STOP ROD y 1 4 D ORIENT SLIDE BLOCK AS SHOWN MS28775 316 RING WIPER FELT 525775 220 RING u 5 2 9 5 2 lt 2 oO lt dd T L 5 5 8 5 5 9 FIGURE 5 6 ASSEMBLY NOSE GEAR SYSTEM Page 38 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL 6 0 WATER RUDDER RETRACTION AND STEERING SYSTEM 6 1 DESCRIPTION The water rudder retract system is manually operated by a lever through a system of cables and pulleys Steering is directed from the aircraft rudder steering system 6 2 ADJUSTMENT Rigging of the water rudder steering cables is accomplished by centering the airplane rudder and adjusting the turnbuckles such that both rudders trail with the float center line Cables should be tensioned to 40 pounds 5 psi Retraction cables should be rigged such that the top of the rudder blade is against the rudder stop on the rudder posts in the up position and that the cables are just slack in the down position Service Schedule Cables inspect for fraying annually Pulleys inspect and lubricate annually 7 0 REPAIRING FLOAT HULL SKINS BLKHDS AND OTHER SHEET METAL REPAIRS The float hull is m
14. ED LINE PATCH MATERIAL TO BE AT LEAST SAME THICKNESS AS ORIGINAL SKIN PRIME ALL BARE SURFACES SEAL BETWEEN PATCH AND SKIN RIVET IN PLACE Seo 40 0 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL SEALANT AROUND PATCH Use AN470 456 4 Rivets FIGURE 7 2 TYPICAL SKIN REPAIR 1002553 Rev E Page 41 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL SEALANT AROUND PATCH Use AN470 oe 456 AD4 Rivets FIGURE 7 3 TYPICAL SKIN REPAIR Page 42 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL 1011135 155 8 QA 6138 INAS 1 ISN 305 9 0001 5110 6817 108 101511 13 85114 10 NDS 70 FIGURE 7 4 TYPICAL REPAIR BOTTOM SKIN TO KEEL INSTRUCTIONS Preferred method 1 REMOVE ORIGINAL DAMAGED SKIN CUT FLUSH WITH EXTRUSION 2 REMOVE CAULKING FROM GROOVE OF EXTRUSION 3 APPLY SEALANT IN GROOVE BE SURE TO USE PLENTY OF 4 INSERT REPAIR SKIN INTO EXTRUSION 5 DRILL AND COUNTERSINK HOLES AND RIVET INTO PLACE 1002553 Rev E Page 43 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL SPACER 040 REPAIR SKIN 21 159 DIA 100 C SUNK USE AN426AD5 RIVETS EXISTING SKIN FIGURE 7 5 TYPICAL REPAIR BOTTOM SKIN TO KEEL INSTRUCTIONS 1 REMOVE ORIGINAL DAMAGED SKIN FROM EXTRUSION 2 REMOVE CAULKING FROM GROOVE OF EXTRUSION 3 APPLY SEALANT IN GROOVE BE SURE TO USE PLENTY OF
15. INE MODEL 6000 6100 SERVICE MANUAL LOG OF REVISIONS DESCRIPTION DATE Added an inspection time limit and tolerances 4 18 06 for the Nose Track wear The cover page and footers were revised additions to maintenance were made on 5 6 10 The T seal upgrade is on page 25 More 5 1 08 metal repairs included on 27 Added WT amp Bal Info 5 6 16 Added some corrosion cleaning procedures 8 30 08 27 and warnings Corrected rudder cable tension 3579 Added new pages for customers regarding 13 1 4 warranty Updated cleaning amp corrosion 7 15 09 recommendations Reformat of entire document Add green grease 3 as approved grease Added Shear Torque Chart PR 1440 C Sealant Tef Gel Removed Warranty Claim Form 2 Added Dow Corning DC4 Corrosion X and Mobil Aviation Grease SHC 100 to approved 12 4 2015 product list Modified torque limit section 5 12 1002553 Rev G Page 5 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL a _SWIPAIRE INC NEW CUSTOMER INFORMATION Customer Name Billing Address Shipping Address Phone Number Fax Number Purchasing Contact Phone Number 00000 E Mail Fax Number Accounts Payable Contact Phone Number E Mail Fax Number Type s of Aircraft Owned or Maintained Model s of Floats and Skis Owned or Maintained FedEx and or UPS account number if applicable Please return to Wipaire Customer Serv
16. TOR VALVE 3 222 RIGHT NOSE GEAR ACTUATOR CONDITION LANOING GEAR DOWN POSITION RIGHT MAIN GEAR ACTUATOR CODE PUMP PRESSURE PUMP RETURN GEAR DOWN PRESSURE GEAR UP RETURN EJ GEAR UP PRESSURE GEAR DOWN RETURN I l I i l zz FIGURE 5 1 HYDRAULIC SYSTEM 1002553 Rev E Page 31 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL LEFT FLOAT RIGHT FLOAT Q BUSS BAR Q GER UP GEAR DOWN E U SY 5 MAIN GEAR R SY NOTE ALL GROUND WIRES 019 PRESSURE SWITCH FIGURE 5 2 SCHEMATIC ELECTRICAL SYSTEM Page 32 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL DNIH O 077 54 P7SIA SNIH O 66 201 UM 7 3297 9 ASSY 0 10111 0 4 yf E ONIS HOdANS 4 ONIH O Cte 1 NO TAN 1133 ONIH O 1H3SNI 5 32 271 NMO 81438408 125 gt 201 FIGURE 5 3 ASSEMBLY SYSTEM 33 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL MS28775 01 6A04743 001 WIPER O RING 528775 334 316 O RING 528775 231 1 8 O RING 528775 336 3 16 O RIN 528775 234 1 8 O RING 4 528775 336 3 16 O RING T sit 528775 234 1 8 O RING MS28775 231 O
17. _ WIPLINE FLOATS SKIS MODIFICATIONS AIRCRAFT SALES AVIONICS INTERIOR MAINTENANCE REFINISHING SERVICE MANUAL and INSTRUCTIONS FOR CONTINUED AIRWORTHINESS for the WIPLINE MODEL 6000 6100 AMPHIBIOUS AND SEAPLANE FLOATS Revised December 2015 South St 55075 51 1205 651 457 7858 www wipaire com WIPLINE MODEL 6000 6100 SERVICE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK Page 2 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL TABLE OF CONTENTS SECTION PAGE LOG OR REVISION rerea 5 NEW CUSTOMER 1 6 00 7 8 SSO FLOAT HUME MAINTENANGE 10 2 1 GENERAL RR 10 3 0 FLOAT HANDLING JACKING AND AIRCRAFT 13 4 0 AMPHIBIAN LANDING GEAR SYSTEM OPERATION 8 MAINTENANCE 14 4 1 LANDING GEAR 14 A2 INDICATOR LIGEL EEEREN 14 4 3 LANDING GEAR 0 5 60 15 4 4 EMERGENCY PUMP 15 5 0 MAIN AND NOSE GEAR OPERATION REMOVAL AND 16 5 1 DESCRIPTION AND 16 bz SERVICE NOSE OFA RM EMILE 17 5 1 2 NOSE BOX TRACK WERAR nean 17 5 1 3 SERVICE MAIN WHEELS AND BRAKES
18. anufactured from the following aluminum alloys Top skins and side skins are 032 thick 6061 T6 the bottom skin is 040 thick 6061 T6 the nose bulkhead is 100 thick 6061 6 all remaining forward bulkheads are 032 thick 6061 T6 The aft wheel well bulkhead is 050 thick 6061 T6 the after body skin is 032 thick 6061 T6 all after body bulkheads are 040 thick 6061 T6 Damage to the Sheet metal may be repaired per Figures 7 1 7 2 7 3 or any acceptable repair method listed in FAA Advisory Circular 43 13 Any float metal part can be purchased from Wipaire to aid in repair To simplify repairs the skins can be ordered precut to shape All outside hull skins are bonded to the extrusions with a special heat pressure 3M adhesive This bond adheres skins to the inside of all extrusions Skins may be reattached to extrusions by methods shown in figures in 7 4 7 5 and 7 6 If the skin bond must be broken from an extrusion for a long distance the caulking material must first be removed from the exterior crack Then heat the extrusion with a propane torch until the bond starts to loosen Caution must be taken not to heat and loosen bonds not needing replacement 1002553 Rev E Page 39 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL PATCH HOLE IN SKIN TRIM HOLE TO THESE DIMENSIONS SEALANT AROUND PATCH EDGE Use og 456 4 Rivers FIGURE 7 1 TYPICAL SKIN REPAIR TRIM HOLE AS SHOWN BY DOTT
19. beled NOSE and MAIN left hand lights for the left float and right hand lights for the right float show by their illumination that the landing gear is up and locked The four 4 amber indicator lights labeled NOSE and MAIN left hand lights for the let float and right hand lights for the right float are illuminated when the landing gear is down and locked Neither set of lights is illuminated when the landing gear is in transit Two 2 red indicator lights labeled PUMP ON 1 and 2 illuminate when current is supplied to the landing gear motors If the motors continue running during flight or on and off repeatedly the motors should be shut off by pulling AMPHIBIAN PUMP 1 AND AMPHIBIAN PUMP 2 circuit breakers Continual running of the motors can result in premature motor failure Prior to landing the circuit breakers should be pushed in to reactivate the circuits Troubleshoot hydraulic problem per section 5 4 Page 14 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL 4 3 LANDING GEAR OPERATION To retract or extend the landing gear pull out on the landing gear handle and move it to the desired position When the handle is positioned pressure on the hydraulic system reduces to where the hydraulic motors automatically turn motors power the hydraulic pumps and actuate the gear actuator for each gear During operation of the landing gear motors the PUMP ON 1 and 2 indicator lights are illuminated When the gear cycle is co
20. ch cut off limit too low REMEDY Investigate for free operation Check gear that retracts last Replace pressure switch 6 PROBLEM Slow gear operation cycle considerably longer than 30 seconds CAUSE Plugged screen Poor electrical connection to motor Poor motor Worn pump gears REMEDY a Clean intake screen located inside reservoir tank 1002553 Rev E Page 29 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL Connect motor direct to 24 volt source and note its operation if good wire connection is bad if operation poor motor needs overhaul Covered in b above Replace pump 7 PROBLEM Circuit breaker pops during cycle Page 30 of 50 op PROBABLE CAUSE Wire connections bad or corroded Bad motor brushes Bad circuit breaker REMEDY Clean and protect terminal with grease Overhaul motor Replace circuit breaker 1002553 Rev E UP LIGHTS gt O OPERATING wo e LIGHTS GEAR DOWN LIGHTS LEFT NOSE GEAR ACTUATOR 5 2 CIRCUIT D PUMP 1 CIRCUIT BREAKER LANDING GEAR MOTORS HYDRAULIC PUMPS AND RELIEF VALVE LEFT MAIN GEAR ACTUATOR LANDING GEAR WIPLINE MODEL 6000 6100 SERVICE MANUAL emergency EXTEND HANDLE HAND PUMP PUMP AME ma 222222222222222222 c lt gt LLL 77 LANDING TAS SELEC
21. determine existing grease in wheel bearings completely clean and repack bearings with new grease Hydraulic Fluid Mil H 5606 As general inspection guidelines each of the following areas should be inspected for their own unique attributes Movable Parts For lubrication servicing security of attachment binding excessive wear safetying proper operation proper adjustment correct travel cracked fittings security of hinges defective bearings cleanliness corrosion deformation sealing and tension Fluid Lines and Hoses For leaks cracks dents kinks chafing security corrosion and deterioration Page 22 of 50 1002553 Rev G WIPLINE MODEL 6000 6100 SERVICE MANUAL Metal Parts For security of attachment cracks metal distortion broken welds corrosion condition of paint and any other apparent damage Wiring For security chafing burning defective insulation loose or broken terminals corroded terminals Bolts in Critical Area For corrosion correct torque when installed or when visual inspection indicates a need for a torque check Nut torque should be applied depending on the hardware application unless the torque is specified for a certain joint in this manual or installation drawinos Tension Application Torque Limits Shear Application Nut i i n Ibs Torque Limits Bolt Size Nut In Ibs Min Max Bol
22. ditions bolts should be removed at least once a year and grease reapplied to the shafts heads and nuts THE ABOVE CLEANING TECHNIQUES ARE VITAL FOR KEEPING CORROSION TO A MINIMUM SALTWATER OPERATIONS AND ENVIRONMENT ARE STRONGLY LINKED TO CORROSION AND MUST BE ADDRESSED PROACTIVELY Page 12 of 50 1002553 Rev G WIPLINE MODEL 6000 6100 SERVICE MANUAL 3 0 FLOAT HANDLING JACKING AND AIRCRAFT TOWING To jack the floats for servicing tires brakes or doing retraction tests it is recommended that a floor type jack one ton minimum be used These jacks are commonly used for auto repair The jack should be positioned on the keel centerline on the first bulkhead forward of the step Example is shown to the left of this text The jack should contact the keel squarely and if room permits slip a board between the jack and keel Raise the float slowly making sure the aircraft stays balanced After raising block up the keel in several places and lower the jack Raise only one float at a time with the opposite float landing wheels chocked Position a sawhorse under main and after body keel to keep aircraft from tipping fore and aft For raising the aircraft for float installation and removal use the lifting rings if provided or lift at front wing attach points Aircraft may be lifted by spreader bars with a launching dolly WITH CAUTION lift on both spreader bars as close to float hull as possible When towing the amphibian ai
23. e Check motor ground pm 2 PROBLEM Power pack does not shut off after gear reaches position PROBABLE CAUSE a Faulty pressure switch b Faulty or dirty pressure relief valve allowing insufficient pressure buildup Page 28 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL REMEDY a b Replace pressure switch Clean and check relief valve 3 PROBLEM Power pack shuts off before gear reaches position a PROBABLE CAUSE Binding or jammed gear retractor which causes pressure to build up and stay up and pressure switch shuts off power pack Faulty or dirty pressure relief valve allowing insufficient pressure buildup REMEDY Repair retractor 4 PROBLEM Power pack cycles on and off after gear is in position b PROBABLE CAUSE Internal hydraulic leak External hydraulic leak REMEDY Verify leak is not external by checking fluid level in reservoir and looking at couplings for oil leaks If no external leaks are found disconnect and cap off the hydraulic actuators one at a time and find the leaky one by process of elimination If isolating entire system still indicates internal leak power pack check valve located in pressure port of pump is bad and needs replacement or reseating Visually inspect lines cylinders and hoses and replace as necessary 5 PROBLEM Power pack cycles on and off during gear cycle a b a b PROBABLE CAUSE Binding in retraction unit Pressure swit
24. hould be checked periodically by viewing the sight glass for fluid level in the upper one third of the range If fluid is low fill with MIL H 5606 or equivalent Filters are installed on pickup tube inside of hydraulic reservoirs Clean every 100 hours Landing gear operation is initiated by movement of the landing gear handle When the handle is repositioned hydraulic pressure the system will drop and pressure switches will automatically turn on the hydraulic pump motors to maintain operating pressure in the system When the gear cycle is completed the pump will automatically shut off If the pressure in the system drops to a preset value the pressure switches turn the pump motors back on and build up the pressure to the limit again Eight 8 position indicator lights four 4 gear UP and four 4 gear DOWN are provided to show landing gear position Two 2 additional indicator lights show when the landing gear pump motors are operating 4 1 LANDING GEAR HANDLE The landing gear handle controls a hydraulic selector valve within the selector head in the instrument panel and has two 2 positions UP and DOWN LAND which give a mechanical indication of the gear position selected From either position the handle must be pulled out to clear a detent before it can be repositioned 4 2 INDICATOR LIGHTS Ten 10 indicator lights are mounted on the landing gear control unit adjacent to the landing gear handle Four 4 blue indicator lights la
25. ice Fax 651 306 0666 Phone 651 306 0459 CustomerService wipaire com Page 6 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 1002553 Rev E Page 7 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL INTRODUCTION This manual describes the general servicing and maintenance for the Model 6000 6100 float including hull and landing gear For services and repairs not covered by this manual contact Wipaire Customer Service The service products referred to throughout this manual are described by their trade name and may be purchased from Wipaire Customer Service To contact Wipaire for technical support or parts sales call write or email Wipaire Inc 1700 Henry Avenue Fleming Field South St Paul MN 55075 Telephone 651 306 0459 Fax 651 306 0666 Website www wipaire com Email CustomerService wipaire com Page 8 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL 1 0 GENERAL The model 6000 6100 seaplane or amphibious float is an all aluminum constructed float with watertight compartments The actual displacement in fresh water for each float is 5664 pounds buoyancy for the seaplane and 5518 pounds buoyancy for the amphibian The amphibian float is geometrically the same as the seaplane except for the addition of landing gear and internal structure for the gear The water rudder system is cable operated with ball bearing pulleys Water rudder cables tie
26. ing grease Zerk X fittings including main gear carriages Hydraulic fluid level Mil H 5606 X Wheels and tire inspect for wear pressure Nose inflate to 40 lbs 5 Ibs X condition Main inflate to 40 16 5 16 Brake assemblies inspect for wear corrosion leakage Hydraulic fluid screen clean and inspect NOTE If floats sit for extended periods of time If removed during winter months screen should be cleaned before putting X floats back into service Hydraulic fluid in reservoir should be checked for moisture or other contaminates and changed if necessary Insp FWD slide tube mounting bolt for corrosion and wear when the gear are out Clean and lube the slide tube before returning Main and Nose gear actuator assemblies inspect for condition lubrication leakage corrosion and cleanliness X With gear out Inspect FWD slide tube mounting bolt for corrosion and wear Clean amp grease FWD slide tube Nose gear springs scotch ply springs X inspect for cracks delaminating and paint Main gear drag link garlock bushings inspect for condition lubrication and X corrosion Page 26 of 50 1002553 Rev E INSPECTION TIME LIMITS amp CHECKLIST WIPLINE MODEL 6000 6100 SERVICE MANUAL INSTRUCTIONS PROCEEDURES HOURLY LIMITS MECHANIC INSP 25 50 100 200 Right Left Clean the wheel wells to facilitate general X
27. ing of the wheel 5 1 1 SERVICE NOSE GEAR The nose gear pivot assembly should be cleaned every 25 hours or more frequently whenever in water for extended period of time Nose gear tracks after thorough cleaning can be left clean and dry or wiped with a silicone sprayed cloth on a stick or rod and run along tracks inside of the nose box both sides THE NOSE PIVOT ASSEMBLY AND NOSE BOX TRACKS ARE EXPOSED TO THE ELEMENTS LIKE DIRT AND WATER CAREFUL AND PROACTIVE CARE IS REQUIRED The nose wheels contain grease nipples for the wheel bearings They should be greased every 25 hours Nose tires are standard 5 00 x 5 6 ply inflated to 40 5 psi 5 1 2 NOSE BOX TRACK WEAR Due the wear over time the roller slide block places on the track as the gear are retracted the block needs to be measured for the amount of wear The tolerance for wear is 050 inches If the wear is or is less than the limit it can still be used If the wear in the track is greater than 050 inches the block must be replaced This check is to be done every 200 hours and is part of the maintenance checklist On the 6000 Series Floats Gear Track P N 6A07337 001 LT 002 RT 5 1 3 SERVICE MAIN WHEELS AND BRAKES Grease nipples are provided on all wheels and bearings and should be greased every 25 hours or after an extended period of time in the water Water heat resistant grease is recommended The dual piston brakes need no special care other than to maintain
28. into the existing aircraft rudder system The main landing gear has dual 600 x 6 6 ply tires and the nose landing gear has one 500 x 5 6 ply tire The gear system is hydraulically actuated and driven by two hydraulic pumps Brakes are hydraulic and have a caliper on each main wheel for a total of four brakes Steering on land is accomplished by differential braking The nose wheels are castering Access to the float interior is accomplished by removing covers on the top deck and six covers inside the wheel well When necessary water inside the float hulls may be removed through pump out cups located on the outboard edge of each float top skin 1002553 Rev E Page 9 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL 2 0 FLOAT HULL MAINTENANCE 2 1 GENERAL The float structure is manufactured entirely of 6061 T6 corrosion resistant aluminum sheet and extrusions Skins on the inside are primed with a SCOTCHWELLD primer after being cleaned and acid etched Exterior surfaces are cleaned and alodined Surfaces are then primed with an epoxy based primer and finished with enamel color paint Page 10 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL aP PP 24522 45252
29. ith the most edge distance from hole is to go toward each other on inside of trolley See figure 5 6 for details 5 3 5 REMOVAL OF NOSE GEAR BOX Remove bolts securing forward box from nose bulkhead Remove bolts securing aft box from bulkhead 2 Slide box out from front of float Note Sealant will have to be cut for removal and replaced when installing Page 20 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL 5 3 6 REMOVAL OF LOWER NOSE GEAR FROM PIVOT BLOCK With weight off of the nose wheel remove 2 bolts on plate on aft side of pivot block Remove spring and detent piston Nose fork assembly will drop down from pivot block 5 3 SERVICE SCHEDULE As coded in the Inspection Time Limits chart in this section there are items to be checked each 25 50 100 and 200 hours Also there are notes on special items which may require servicing at more frequent intervals When conducting an inspection at 25 hours all items marked for 25 hours would be accomplished When conducting an inspection at 50 hours the 25 and 50 hour items would be accomplished When conducting an inspection at 100 hours the 25 50 and 100 hour items would be accomplished When conducting an inspection at 200 hours the 25 50 100 and 200 hour items would be accomplished Acomplete inspection Annual Inspection would include all 25 50 100 and 200 hour items When servicing float hull and amphibian components below is
30. mpleted pressure builds up in the hydraulic system and automatically shuts off the hydraulic motors Each gear operates independently of the other and therefore the position lights illuminate at various times 4 4 EMERGENCY HANDLE An emergency hand pump is located on the floor between the front seats in the event the normal hydraulic system fails This hand pump may be used to retract or extend the land gear To actuate the hand pump pull out the handle Prior to utilizing the emergency hand pump pull the AMPHIB PUMP 1 and 2 circuit breakers to deactivate the electric hydraulic pumps Select UP and DOWN using the normal landing gear selector handle Place the emergency hand pump handle in the pump and pump up and down When a gear reaches the selected position its indicator light will illuminate After all four 4 gears are in the selected position there is a noted increase in resistance of hand pump operation 1002553 Rev E Page 15 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL 5 0 MAIN AND NOSE GEAR OPERATION REMOVAL AND SERVICE 5 1 DESCRIPTION AND OPERATION Retraction and extension of the main and nose landing gear is effected by a hydraulic actuation system shown schematically in figure 5 3 The gear system is hydraulically actuated and driven by two hydraulic pumps located in the aft fuselage A pressure of between 500 and 1000 psi is maintained in the supply line When the pressure falls below 500 psi the pressure
31. ng flange The up stops nests in the up stop pin See figure 5 6 for location and assembly Nose gear proximity switches are located on clips that are mounted on the outer cylinder body one on each end The most forward switch is for the gear down lights and most aft is for the gear up position lights Set the proximity switch mounting clip along outer cylinder body to a position such that the light goes out when the over center track is about inch from bottomed position while traveling in the up direction Lights should come on about 1 8 inch from the bottomed position while traveling in the down direction The cylinder piston has a magnet that will activate the proximity switches 5 2 2 MAIN GEAR The main gear actuator cylinder is not adjustable These are pre set at the factory to ensure that the main gear is locked at the end of each stroke and that correct indication is given on the cockpit console The up and down lock may be adjusted so the lock is fully engaged by adjusting the set screws shown in figure 5 3 Loosen the jamb nut adjust and tighten jamb nut The main gear proximity switches are located on each end of the gear stroke The forward switch is located on the forward side of the gear tunnel It is accessible through the top deck access cover The aft proximity switch is located on the float bulkhead just aft of the wheel well accessible though the float top deck cover The main gear proximity switches are adjusted loose
32. ning the mounting screws and positioning them as such that the light goes out when the lock hook is raised about 1 8 inch off its nested position and comes on again upon nesting 5 2 3 BLEEDING HYDRAULIC SYSTEM AFTER SERVICE The system automatically bleeds provided sufficient oil is maintained in the reservoir To check the fluid level fill the reservoir with hydraulic oil and cycle the gear The fluid level should be maintained in the upper one third 1 3 of the sight glass If the reservoir empties i e fluid disappears in sight glass stop the cycle by pulling the circuit breaker on the control panel Fill the reservoir again and complete the cycle Continue this procedure until the fluid level in the reservoir stabilizes it will vary in level between up and down positions If the fluid level continues to decline during gear cycles check for external leaks 1002553 Rev E Page 19 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL 5 3 MAIN AND NOSE GEAR REMOVAL AND DISASSEMBLY 5 3 1 REMOVAL OF MAIN GEAR OLEO Jack the aircraft by method described in section 3 With main wheels off the ground both sides run the gear up so that the main carriage is approximately 2 inches forward of down lock position This must be accomplished to remove the top oleo bolt order to remove the lower bolt it is necessary to remove the wheel the head side the bolt 5 3 2 REMOVAL OF MAIN GEAR RETRACTION CYLINDER Relieve pressure in system
33. placards against the AFM or X POH and installation drawings Hulls amp Float Installation Float exterior inspect for damage Struts wrinkled metal corrosion paint X loss etc Boarding steps disassemble as needed and grease the step slide tubes X Disassemble and grease the flying wire Spreader Bars inspect for loose clevis bolts pins Check flying wire tension Screws and cracks amp seal between and alignment fairing and side skin Insp fairings X for cracking and loose screws Float covers remove all covers and check Also make sure seals are secure X for metal integrity and hardware security Look for cracks under nut plates Float interior Inspect all bulkheads for Pull up baggage floors and inspect wrinkled metal cracked flanges and bulkheads X corrosion Check nose box attach hardware and nose Inspect hardware for corrosion and bumper security X Pumper Tube Installation inspect for condition security routing of hoses X Page 24 of 50 1002553 Rev E INSPECTION TIME LIMITS amp CHECKLIST WIPLINE MODEL 6000 6100 SERVICE MANUAL INSTRUCTIONS PROCEEDURES HOURLY LIMITS MECHANIC INSP 25 50 100 200 Right Left Water Water rudder boots inspect for cuts tears Rudder and condition X System Water rudder steering and retract systems Check cable rollers for ease of inspect the following cables for broken wire rotation
34. rcraft tow lugs are provided on the lower forward side of the nose spring A rigid V frame can be fabricated to attach to these lugs and aircraft towed with a tractor Wipaire Parts has this tow bar available A lifting apparatus that will pick the aircraft up by the lifting rings at wing attach points from a ceiling hoist to be fabricated Contact factory for details if necessary 1002553 Rev E Page 13 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL 4 0 AMPHIBIAN LANDING GEAR SYSTEM OPERATION amp MAINTENANCE The landing gear incorporated within the amphibious floats on this airplane is retractable quadricycle type with two swiveling nose or bow wheels and four 4 two 2 sets of dual main wheels Air oil shock struts on the two main landing gear assemblies provide shock absorption The main landing gear has dual 6 00 x 6 6 ply type tires and the nose landing gear has one 5 00 x 5 6 ply tire The gear system is hydraulically actuated and driven by two hydraulic pumps Brakes are hydraulic and have a caliper on each main wheel Steering on land is accomplished by differential braking The nose wheels are full castering Landing gear extension and retraction is accomplished by two 2 electrically driven hydraulic pumps and four 4 hydraulic actuators one 1 for each gear The hydraulic pumps are located in fuselage aft of cockpit and the hydraulic actuators are located adjacent to each gear Hydraulic system fluid level s
35. switch activates the pump solenoid providing power to the pump When the pressure reaches 1000 psi the pressure switch deactivates the solenoid and the pump motor stops Figure 5 2 shows the electrical schematic of the system A check valve on the output side of the pump retains pressure in the system while the pump is off The pump has an internal relief valve which directs oil back to the pump reservoir when the line pressure exceeds 1200 psi The system also has an internal relief valve to protect against thermal expansion when line pressure exceeds 1900 psi A cockpit mounted control valve accomplishes the selection of gear up or gear down Each float gear has individual indicator lights on the control valve allowing the pilot to confirm that each gear has fully retracted or extended An emergency hand pump is provided in case of total electric pump failure or loss of fluid The reservoir has additional hydraulic fluid available only to the hand pump The main gear is mechanically locked in both up and down positions Locking and unlocking is effected utilizing a small amount of lost motion of the actuator rod Retraction takes place when pressure is exerted on the actuator piston driving the collar along the slide tube The lock is tripped when the follower slides up the contoured track in the actuator as shown in figure 5 3 reverse process affects extension Gear position light proximity switches are closed when the appropriate hook con
36. t Size T 8 36 12 15 In 10 32 20 25 9 99 7 1 4 28 50 70 10 42 1 15 7 1 4 28 30 40 5 16 90 51624 60 85 3 8 24 160 190 48 24 95 410 7 16 20 450 500 7 16 20 270 300 1 2 20 480 690 1 2 20 290 410 9 16 18 800 1 000 9 16 18 480 600 5 8 18 1 100 1 300 5 8 18 600 780 3 4 16 2 300 2 500 3 4 16 1 300 0 7 8 14 2 500 3 000 78 4 1 500 1 800 1 14 3 700 4 500 1 14 2 200 3 300 11 8 12 5 000 7 000 ss 1 1 4 12 9 000 11 000 8 0 A Torque of 80 should be used when Tef Gel is applied to the bolt Some additional general maintenance areas are as follows Nose and Main Gear Tracks Clean and lubricate with a dry teflon coating spray Joints Spray all joints with light penetrating oil such as LPS 3 to ensure lubrication at all times Electrical Connections Apply SP 400 SOFT SEAL or LPS 500 to all electrical connections to prevent corrosion Hydraulic Fluid For use in all hydraulic systems including brakes MIL H 5606 1002553 Rev G Page 23 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL INSPECTION TIME LIMITS amp CHECKLIST INSTRUCTIONS PROCEEDURES HOURLY LIMITS MECHANIC INSP 25 50 100 200 Right Left General Wash aircraft and floats with fresh water Refer to Wipaire Inc Corrosion and inspect surfaces and hardware for Prevention Program Manual for X signs of corrosion especially with salt details water use Check installed
37. taining the magnetic material nests over the locking bar Shock absorption for the main landing gear is provided by a hydraulically dampened air spring Figure 5 4 shows the main components The oil and air share a common chamber When oleo is collapsed the oil is forced through the main orifice compressing the air in the upper cylinder Extension reverses this process The extended oleo is initially set at the factory to 140 psi no load In field adjustment of air pressure and oil volume is described in this section The nose gear has an over center down lock Retraction occurs when pressure is applied to the forward face of the actuator piston and the carriage is drawn along the tracks in the nose box as shown in figure 5 6 Gear position light proximity switches are closed when the piston containing the magnetic material has reached either end of its travel The nose gear consists of composite fiberglass beams that are attached at the bottom to castering blocks Inside the block is a castering pin that is set into the machined fork assembly The castering pin allows the nose wheel to pivot in a complete circle The geometry is such that no shimmy dampers are necessary Page 16 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL A spring loaded cam rides in a groove machined in the castering pin This groove as a flat surface on the back face with the result that the cam provides retention of the pin the block and self center
38. the brake disc free of rust which causes premature brake lining wear Bleeding is carried out in the usual manner from the bottom up Main wheel tires are standard 6 00 x 6 6 ply type aircraft tires inflated to 40 5 psi Refer to figure 5 5 5 1 4 SERVICE MAIN GEAR OLEO Oil Level The correct level is best set by draining and refilling with the correct quantity of fluid 1050 ml This should be done with the oleo removed from the float CAUTION Release air pressure and remove air valve before attempting to service oleo After filling refit valve and cap then pressurize to 140 psi Note Use only MIL H 5606 hydraulic fluid 1002553 Rev E Page 17 of 50 WIPLINE MODEL 6000 6100 SERVICE MANUAL Air Pressure The correct air pressure is 140 psi 10 psi on a fully extended oleo no load or it can be inflated to approximately 5 6 inches on an unloaded aircraft while sitting static on level ground Seals Seals should be replaced whenever the oleo is disassembled or leaking CAUTION Release air pressure and remove air valve before attempting to disassemble oleo Page 18 of 50 1002553 Rev E WIPLINE MODEL 6000 6100 SERVICE MANUAL 5 2 ADJUSTMENT TEST 5 2 1 NOSE GEAR Adjustment of actuator stroke is provided at the ends of the piston rods The length of the nose gear rod is adjusted such that the over center knuckle brass rollers just bottom out on the down side and the piston just bottoms out on the mounti
39. tside the float should clean washing with soap and water Special care should be taken to remove engine exhaust trails waterline marks and barnacle deposits After saltwater operation washing with fresh water should be done daily with special attention to hard to reach places such as seams wheel well etc Alternatively water taxiing in FRESH WATER at step speed can help to flush the entire system OPERATORS IN SALTWATER ARE STRONGLY CAUTIONED RINSING THE ENTIRE AIRCRAFT amp FLOATS WITH FRESH WATER AT THE END OF EACH DAY OR PERIODICALLY IS CRITICAL FAILING IN THIS CLEANING CAN SEVERLY SHORTEN THE LIFE OF THE FLOATS The float interior should be flushed if salt water enters the compartments If the floats are being stored inside remove inspection covers so the interior will dry out THE ABOVE CLEANING TECHNIQUES ARE VITAL FOR KEEPING CORROSION TO A MINIMUM SALTWATER OPERATIONS AND ENVIRNMENT ARE STRONGLY LINKED TO CORROSION AND MUST BE ADDRESSED PROACTIVELY
40. unit may be disassembled for cleaning 1 Relieve the pressure in the hydraulic system by placing the gear selector handle in the neutral position 2 Onthe forward lower side of the reservoir remove drain plug to drain most of the hydraulic fluid 3 Remove the 4 screws on each tank 2 on upper side of the reservoir 4 Dump out remaining oil and clean reservoir 5 Unscrew stand pipe with the filter attached 6 Clean filter 7 If filter is removed from stand pipe a new filter should be used 8 Reinstall tank and install seals to top of reservoir before installing on pump 9 Install drain plug and fill with clean MIL H 5606 hydraulic fluid through the breather pipe 10 Fluid level should be in the upper 2 3 of the sight gauge DESCRIPTION AND OPERATION 1 PROBLEM Power pack does not run after gear selection PROBABLE CAUSE Circuit breaker has failed Pressure switch not pulling in at low cut in Solenoid switch not pulling in Faulty pump motor Motor not properly grounded 0 VERIFICATION AND REMEDY Reset circuit breaker Short across pressure switch leads and see if motor runs If motor operates replace pressure switch c Short across solenoid pressure switch leads and see if motor runs If motor operates replace solenoid pressure switch d above does not produce results and it is verified that voltage was actually applied to motor it can be assumed motor is bad or not properly grounded
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