PIPER COMANCHE SERVICE MANUAL 2. Sabi1acor TziJD Tab; Set me stlbilaror trim cab in aeuU'IJ pOlitioD. This Dcgaal positiOD is determined with the aifllla.ae properly riged per ilmruetiODI pVeD in this section of the service muua1: the contrOl wheel in ia QCUtnl posiliOD per Table V·I, and the trim indicator at its Dcuual position. Place a suPPOrt under the stabilator spv lID prewrat IbOwmcnt. (Refer CD Fipre 4otb.) ObaiD a ItniPtcdtc lone enoush to extend from the Found lip to a f", iDcba above tbe trim tab tI'Ii1ifII edit. Place the stn.iJbtedF DCXt to the aim tab inboard (eater) aaiJiDl edp lad pupill, the tab.
pDtly move it lip and down, without 1DOv1n( the srabilator, Mark the lUna of the tab free play aD dle Jali&htcdBc. The overall mvel (lm: play) mUIC nOt exceed .016 of an iDch. The UIe of a dial iDdic:ator and fixed SWld is recommended. (Refer to Fiprc +1b.) 3. StabiIaIor Tdm Tab M-d-ti""l The complete trim tab mccbUlism should be checked for free play at the variollS compoaeDa 11Im • trim cGIluol rod end bcIriDI. r:rim bcllcrank, aim screw, trim drum and trim drum auembly. The bariD,loe::u:ed bet_etD me abilator tab harm sbould fit close Cftougb to eliminate play in the &C'N&I:or system. However.
it should DOt be JO apt mal the control rod caDnOt easily be moved sideways or endwise Oft the bariDI. Whenever any portion of the horizoDUl Qjl IW'face bas been rcp&nd and/or repainted (refer to pvqrapbs ~1 and .....S). it must be rebalaDccd before tbc airplaAc is 600ft. Tbe foUowin( balancing procedure is recommeDcled: a. The hor,zonuJ Wi surface iDsWlatioa mUSt be complete and rudy for fliIbt bct'ore balucinc. b. The control cables u the bal&nceazm mUlt be discoaDeetcd before ba1aIlc:in,. Norl The stabilator must be balaDced withOIll ladiDl cdfc p.areb. If leldiDg edge pards aft installed. rc1IlOve them prior to blllnoa,.
R_all after baJancinJ· CAUTION It is very important to haft the subiluor free to rowe with & minimum of frictional rcsiswlce. To insure tbis rcqu.imncDt. check the bcariDp. trim tab binp and tab conttol rod cad bariftp for rust. dirt or worn parts. If any of these cODditions exist. repair or replace before baJanc:iag. Nor! There ate several. diffcrcllc srabilator ba.IaDcing procedures; one for the PA·2+1S0. 150 and 160 aircraft widlouc tip -C'ilbu. another for the P ..... -2~ aircraft. and one for me PA·24-l50 and 260 aircraft with stabutor tip balance weipa instaJled. c. (PA·24-01'O. 250 and 260) AitcT: complyinl with steps (a) (b) aDd both the NorE and CAUTION proceed u follows: 1.
Level the aircraft and set the trim tab in ncuaal position. REVISED: &/25n& STRUCTURE 1 Fl