Piper Dakota - Page 26

PERIODIC INSPECTIONS (cont)
—NOTE—
Perform all inspections or operations at each inspection interval as
indicated by a circle (O).
Nature of Inspection
B. ENGINE GROUP (cont)
7. Inspect oil lines and fitting for leaks, security, chafing, dents, and cracks.
(See Note 7.)............................................................................................................ O O O O
8. Clean and inspect oil radiator cooling fins.............................................................. O O O
9. Remove and flush oil radiator ................................................................................. O O
10. Fill engine with oil per lubrication chart. (Refer to chapter l2.).............................. O O O O
CAUTION: Do not contaminate the vacuum pump with cleaning
fluid. (Ref: Latest revision of Lycoming Service
Instruction No. l22l.)
11. Clean engine ............................................................................................................ O O O
12. Inspect condition of spark plugs. (Clean and adjust gap as required, adjust
per latest revision of Lycoming Service Instruction No. 1042.)..............................
(See Note 14.) ......................................................................................................... O O O
NOTE: If fouling of spark plugs has been apparent, rotate
bottom plugs and upper plugs.
13. Inspect spark plug cable leads and ceramics for corrosion and deposits................. O O O
14. Check cylinder compression. (Ref: Latest revision of AC 43.l3-l.)........................ O O O
15. Inspect cylinders for cracked or broken fins............................................................ O O O
16 Inspect rocker box covers for evidence of oil leaks. If found, replace
gasket; tighten cover screws to a torque of 50 inch-pounds. (See Note 12.)........... O O O O
NOTE: Lycoming requires a valve inspection be made after
every 400 hours of operation. (See Note l l.)
17. Inspect ignition harness and insulators for high tension leakage and continuity .... O O O
18. Inspect magneto points for condition and proper clearance.................................... O O O
19. Inspect magneto for oil leakage .............................................................................. O O O
20. Inspect breaker felts for proper lubrication ............................................................. O O O
21. Inspect distributor block for cracks, burned areas, corrosion, and
height of contact springs ......................................................................................... O O
22. Check magnetos to engine timing ........................................................................... O O O
23. Overhaul or replace magnetos. (See Note 6.)
24. Remove air filter and tap gently to remove dirt particles. (Replace as
required.).................................................................................................................. O O O O
25. Drain carburetor and clean inlet line fuel strainer................................................... O O O O
26. Inspect condition of carburetor heat air-door and box. (See Note l3.) ................... O O O O
27. Inspect vent lines for evidence of fuel or oil seepage.............................................. O O O O
28. Inspect intake seals for leaks and clamps for tightness ........................................... O O O O
29. Inspect all air inlet duct hoses. (Replace as required.) ............................................ O O O O
50
500
1000
100
Inspection Time (HRS)
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
5 - 21 - 00
Page -5 - 03
Reissued: August 1, 1986
1B2