PIPER COMANCHE SERVICE MANUAL FIGURE z., .. OIL SUCTION SCREEN FIGURI 2-'" OIL ",USUAE SCREEN Z-78. 00 ScNen (SumoD). The sucUon SaeeD located in the boaom of the sump to the right of the air induction inlet showd be cleaned at each oil chlftF to rcmcwe my accumulation of slu. and to examine for meta.i filings or chips. If metal panides are fouDd in the SCften. the mciae should be examined for intemal damace. The suction screen is removed from the .mp by cauins the safety wire and removing the hex had p1u«. Clean and inspect the scee:n IIld paket IIld replace the' psket if over compressed or damqed. To eliminate ciamlce to the oil scrcm.
place it inside the recess in the bex ,bead plul before insertinc the assembly into the bottom of the sump. Care IINSt be aerciIa:l to enable che. screen to enter the oil suction tube imide the sump. (Refer to Fipre Z-18.) When eenain that the screeD is properly seated., ticbten the plUC. If the plUI seems .t:. this will iDdicate that the ~en is not properly seated. aDd must be c1isasIemblcd and the above procedure repeated. After iDscal1ation. afety the hex had p1ue with MSZ0995oC41. 2-79. Oil 5aeeD (Pn:slUft). The preaul'C screen locaud in a houanc on the "caaory cue of die engine betwet:n the mIgDCCOs.
should be cleaned at each oil chaar to remove my accumulation of sludce and to examine for metal filinp or chips. If metal partides are fouDd in the lCI'eeD. the maine should be examined for internal damace. The pressure saeen is rcmOl'ed by dilconDCcting the tempen.aue indicator wire lnd removing the four hex had bola !:bat secure the screeD housing to the acCCSlO~ c:ase. Clean and inspect the screen. ReiDmll by fim uceruiDing that the screen fiu flush wim the bue of the housing. (Refer to Figure 2-19.) IDftalJ the screen md housinl to the acc:euory case I1IUat a new pee. Torque lttachinc bolu within 50 to 10 incb-pounds. HANDLING AND SERVICING REVISED: 413/78 lC20