ICA Brasov IS-28B

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6.3.2. INSPECTIO~ AND MAINTENANCE SEQUENCEMaintenance and periodic inspections have the following sequence:CRRK•••••••••100 hour inspection200 hour or annual inspectionOverhaul after 400 hours or 4 years of operation.During the lOO-hour inspection, perform a minute inspectionof the glider and lubricte all points indicated in the diagramscontained in this chapter.During the 200-hour/annual inspection, perform all measures as inthe lOO-hour inspection. Additionally, measure all control surfacedeflections for proper rigging.The 400-hour overhaul is performed by the manufacturer at the factaor by a specialized and authorized workshop, according to theapproved repair manual.The gl ider safe life isand/or +5600 landings.:25, cue;Uc,~'Y ,,-"~\,~ ....7",L.X.-'1 rprovisionally indicated as ~hours,/ \ 1/" i, I ,-,L ", -C'rT .Ii, I/,/l/ / ~'~The only a~semblies in the glider construction which have alimited safe 1 ife are the tow releases. According to TOSTspecifications, the releases are dismounted and sent foroverhaul/rebuild after 2000 starts and 3 years of operation.For aircraft instruments produced by the PZL company, no totallife is indicated.6.3.3. ADJUSTMENTThe adjustments performed by the manufacturing plant shall bechecked during annual (20Q-hour) inspections.Control surface deflections shall be measured to check the valuesindicated in paragraph 6.5.1. If these do not meet tolerances,readjust.Total control clearances shall be less than:a. From end of control stick to obstacle:b. From rudder pedals to obstacle: 5 mmElevatorAi Ieron= 4 mm••.4 rnmTo measure the clearances, lock the control surface and measurethe stick displacement in the direction of movement. Measure thefollowing clearances:To flap .•.• = 5 mmTo landing gear = 8 mmThe flap clearance is measured by locking the flap control fromthe cockpit and measuring the flap trail ing edge displacement.The landing gear clearance is measured by locking the retractioncontrol in the 11retracted" position and measuring the sheel axledisplacement (glider is jacked up on blocks during measurement).If the measured clearances exceed the prescribed values, dis~~untthe control in question and relace the worn parts.6. 3 . 4 . l u ~'-C!-.lJ..9~Lubrication points and schedule are shown in Fig 6-5.
FLIGIJ'l' AND L1i\INTENAiTC? AANUh. L L]-28!32.".FIG.6-4o100 ho.\Jr 1iT_~"!,,i''''::}UbricH'eio en1. Shock-absorber lubricator2. Landing Bear retraction control ax~e3. Landing g2nr wh0cl4. Retraction fork shaft5. Tailwhocl shaft6. Releases7. Rudder control SYSt0~8. Elevator centrol9. Ailerons contr313ystcnc . . 11. Flaps control sJstem12. Fuselage wing junct:ic.n fittings13.pulleys and cables15. Control surfaces hinges16. Canopy hinges"Greasing dc:tails are shown inthe contro~s diagrams.AI\H1L 1978 Paee ,G.13
Page 1 and 2: H.I.C.H.G.A.B.INTREPRINDEREA de CON
Page 3 and 4: FLIGHT AND MAINTENANCE MANUAL 15-28
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Page 8 and 9: CHAPTER 2LIMITATIONSContents:2.1.2.
Page 10 and 11: 2.9. PLACARDS - The glider is provi
Page 12 and 13: \I/~ ]Extende.:lfl[;p·[Ir:::;'et+l
Page 14 and 15: 2.9.4.9 OTHER MARKINGSa.b.c.d.e.Nea
Page 16 and 17: ~.2. ACCEPTABLE DAMAGES FLIGHT STIL
Page 18 and 19: 4.3.2.2. TAKE-OFF (aerotow)During t
Page 20 and 21: 4.4. SPECIAL FLIGHTS4.4.1. CROSSWIN
Page 22 and 23: 4.4.3.4. HALF ROLLThe recommended e
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Page 28 and 29: CHAPTER 6MAINTENANCE6.1. CLEAN IliG
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Page 36 and 37: FLIGHT AND IJAINTL:1!J;CE MAlWP.L I
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ICA Brasov IS-28B

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