5-20-00 Page 5-18 Revised: February 28, 2002
1B24
THE NEW PIPER AIRCRAFT, INC.
PA-44-180
AIRPLANE MAINTENANCE MANUAL

SCHEDULED MAINTENANCE CHECKS (CONT) 
— Note — Refer to Notes 1, 2, 3, and 4 before performing inspections.
Nature of Inspection  Inspection time (hrs) 
E. WING GROUP  50  100  500  1000 
10. Inspect all control cables, air ducts, electrical leads and attaching parts for security, routing, chafing, deterioration, wear and correct installation (See Note 21) .................................................................... 11. Inspect fuel tanks and lines for leaks and water (See Note 15) ....................... 12. Check that fuel tanks are marked for proper capacity ..................................... 13. Check that fuel tanks are marked for minimum octane rating......................... 14. Inspect fuel tank vents (See Note 16) .............................................................. 15. Inspect fuel tank nipple fittings for damage and proper torque  (Refer to Chapter 28)....................................................................................... 16. Reinstall inspection plates and fairings ........................................................... F. LANDING GEAR GROUP 1. Inspect oleo struts for proper extension (N = 2.70 ± .25 in. M = 2.60 ± .25 in.) (Check for proper fluid level, fill as required)................................................. 2. Inspect nose gear steering control and travel................................................... 3. Inspect wheel alignment .................................................................................. 4. Put airplane on jacks (Refer to Chapter 7) ...................................................... 5. Inspect tires for cuts, uneven or excessive wear and slippage ......................... 6 Remove wheels, clean, check and repack bearings ......................................... 7. Inspect wheels for cracks, corrosion and broken bolts .................................... 8. Check tire pressure (N = 50 psi / M = 55 psi) ................................................. 9. Inspect brake lining and disc ........................................................................... 10. Inspect wearing surfaces of brake disc for "heat checks" (Refer to Chapter 32)....................................................................................... 11. Inspect brake backing plates............................................................................ 12. Inspect brake lines and retaining clamps ......................................................... 13. Inspect condition of nose gear centering spring .............................................. 14. Inspect gear forks for damage ......................................................................... 15. Inspect oleo struts for fluid leaks and scoring ................................................. 16. Inspect gear struts attachments, torque links, retraction links and bolts for condition and security. Replace as required (See Note 25)............... 17. Inspect down locks for operation and adjustment ........................................... 18. Inspect torque link bolts and bushings (Rebush as required) .......................... 19. Inspect drag end side brace link bolts (Replace as required)........................... 20. Inspect gear doors and attachments ................................................................. 21. Inspect gear warning horn and light for operation........................................... 22. Retract gear — check operation ......................................................................  O O  O O O O O O O O O O O O O O O O O O O O O O O O O O O O O  O O O O O O O O O O O O O O O O O O O O O O O O O O O O O  O O O O O O O O O O O O O O O O O O O O O O O O O O O O O 

5-20-00 Page 5-19 Revised: February 28, 2002
THE NEW PIPER AIRCRAFT, INC.
PA-44-180
AIRPLANE MAINTENANCE MANUAL

SCHEDULED MAINTENANCE CHECKS (CONT) 
— Note — Refer to Notes 1, 2, 3, and 4 before performing inspections.
Nature of Inspection  Inspection time (hrs) 
F. LANDING GEAR GROUP (cont)  50  100  500  1000 
23. Retract gear — check doors for clearance and operation ................................ 24. Inspect operation of squat switch .................................................................... 25. Inspect down lock switches, up switches, and electrical leads for security, operation and condition ............................................................... 26. Lubricate per Lubrication Chart, 12-20-00...................................................... — WARNING — VERIFY LANDING GEAR IS DOWN AND LOCKED BEFORE REMOVING JACKS. 27. Remove airplane from jacks ............................................................................ G. OPERATIONAL INSPECTION — Note — Refer to Note 19 before performing inspections. 1. Check fuel pump and fuel tank selector and crossfeed operation ................... 2. Check fuel quantity and pressure or flow gauges ............................................ 3. Check oil pressure and temperatures ............................................................... 4. Check alternator output ................................................................................... 5. Check carburetor heat ..................................................................................... 6. Check parking brake and toe brakes................................................................ 7. Check vacuum gauge....................................................................................... 8. Check gyros for noise and roughness .............................................................. 9. Check cabin heater operation .......................................................................... 10. Check magneto switch operation..................................................................... 11. Check magneto RPM variation........................................................................ 12. Check throttle and mixture operation .............................................................. 13. Check propeller smoothness............................................................................ 14. Check constant speed propeller action ............................................................ 15. Check engine idle ............................................................................................ 16. Check electronic equipment operation ............................................................ 17. Check operation of controls............................................................................. 18. Check operation of flaps.................................................................................. 19. Check manifold pressure indicating ................................................................ 20. Check operation of cowl flaps ......................................................................... 21. Check operation of manual electric trim ........................................................ 22. Check operation of autopilot ...........................................................................  O O O O O O O O O O O O O O O O O O O O O O O  O O O O O O O O O O O O O O O O O O O O O O O O O O O  O O O O O O O O O O O O O O O O O O O O O O O O O O O  O O O O O O O O O O O O O O O O O O O O O O O O O O O 
　
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