d.
References to maintenance manual applicable areas are per the “chapter - system/sub-system” assignment of subject material numbering system.
2.
Special Inspections (5-30-00)
3.
Unscheduled Maintenance (5-50-00)
Page 5-12 Revised: February 28, 2002
1B18
THE NEW PIPER AIRCRAFT, INC.
PA-44-180
AIRPLANE MAINTENANCE MANUAL
SCHEDULED MAINTENANCE CHECKS
— Note — Refer to Notes 1, 2, 3, and 4 before performing inspections.
Inspection time (hrs)
L Nature of Inspection R 50 100 500 1000
A. PROPELLER GROUP
— WARNING —
USE EXTREME CAUTION WHEN ROTATING
PROPELLERS BY HAND; PROPELLER MAY KICK
BACK. PRIOR TO ROTATING PROPELLER,
ENSURE BOTH MAGNETO SWITCHES ARE OFF.
1. Inspect spinner and back plate for cracks .................................
O O O O O O
2. Inspect blades for nicks and cracks...........................................
O O O O O O
3. Inspect for grease and oil leaks.................................................
O O O O O O
4. Lubricate propeller per Lubrication Chart, 12-20-00 ...............
O O O O O O
5. Inspect spinner mounting brackets for cracks
(See Note 18) ............................................................................
O O O O O
6. Inspect propeller mounting bolts and safety
(Check torque if safety is broken).............................................
O O O O O
7. Inspect hub parts for cracks and corrosion ...............................
O O O O O
8. Rotate blades of constant speed propeller and check for
tightness in hub pilot tube (See Note 18)..................................
O O O O O
9. Remove constant speed propeller; remove sludge from
propeller and crankshaft............................................................
O O O O
10. Inspect complete propeller and spinner assembly for security, chafing, cracks, deterioration, wear and correct installation..... O O O O O
11. Check propeller air pressure (at least once a month)................ O O O O O O
12. Overhaul or replace propeller and governor (See Note 14) ...... O O
As req’d by Hartzell Service Letter No. 61.
B. ENGINE GROUP
— WARNING —
GROUND MAGNETO PRIMARY CIRCUIT
BEFORE WORKING ON ENGINE.
— Note —
Read Note 5 prior to completing this inspection group.
1. Remove engine cowl .................................................................
O O O O O O
2. Clean and check cowling for cracks, distortion, and loose
or missing fasteners...................................................................
O O O O O
3. Drain oil sump. Drain while engine is warm (See Note 6)......
O O O O O O
— Note —
Lycoming recommends changing the oil and filter each
50 hours or every four months, whichever comes first.
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.
Inspection time (hrs)
L Nature of Inspection R 50 100 500 1000
B. ENGINE GROUP (cont)
4. Clean suction oil strainer at oil change
(Check strainer for foreign particles)........................................
O O O O O O
5. Clean pressure oil strainer or change full flow (cartridge type) oil filter element (Check strainer or element for foreign particles)......................
O O O O O O
6. Inspect oil temperature sender unit for leaks and security........
O O O O O
7. Inspect oil lines and fitting for leaks, security, chafing, dents
and cracks (See Note 8) ............................................................
O O O O O O
8. Clean and check oil radiator cooling fins..................................
O O O O O O
9. Remove and flush oil radiators .................................................
O O O O
10. Fill engine with oil per information on cowl or lubrication chart. (Refer to Chapter 12) (See Note 6) ................................. O O O O O O
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