27.At fairing between undersideof fuselage and wing, turn three adjustingscrewsto draw fairing against underside of wing butt. Ensure a rub strip exists betweenwing and fairing.
28.Install floor panels.
29. Install tip tanks.
EFFECTIVITY: 040-999
Jan10/9057-10-00
PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCE MANUAL
401
Wing Installation
Figure401 (Sheet1 of 3)
EFFECTIVITY:
040-999
57-10-00 PAGE 3
10/90
57-10-00 Jan
PIPER AIRCRAFT
PA-42-720(AdvancedTrainer)
MAINTENANCEMANUAL
BOLT -NAS464P7LA10
WASHER -AN960-716 (2 REQ.)
(UNDER HEAD & NUT)
NUT -MS20364-720C
(1 REQ. LEFT & 1 REQ. RIGHT)
BOLT AN4-20A WASHER AN960-416 WASHER AN960-416L NUT MS20365-428C 1 REQ. LEFT 2 REQ. RIGHT
LB
BOLT AN3-6A
WASHER AN960-10
NUT MS20365-1032C
2 REQ. LEFT
2 REQ. RIGHT
BOLT -AN3-6A
WASHER AN960-10
WASHER AN960-10L
NUT MS20365-1032C
2 REQ. LEFT
2 REQ. RIGHT SKETCH B BOLT AN3-5A WASHER AN960-10
NUT MS20365-1032C
2 REQ. LEFT
2 REQ. RIGHT
Wing Installation
Figure 401 (Sheet 2 of 3)
EFFECTIVITY:
040-999
Jan 10/9057-10-00
PIPER AIRCRAFT
PA-42-720 (Advanced Trainer)
MAINTENANCE MANUAL
NOTE: Refer to Installation of Wing StepB.7. for torquevalue.
SKETCH C
BOLT-WINGATTACHMENT
LOWER-P/N 59824
BOLT -AN179-16A
WASHER-AN960-916
(2 REQ.) (UNDER HEAD & NUT)
NUT -MS20364-918C
(1 REQ. LEFT & 1 REQ. RIGHT)
TORQUE 480-600 IN.-LB
SKETCHD
Wing Installation
Figure 401 (Sheet 3 of 3)
EFFECTIVITY:
040-999
PAGE
57-10-00
PIPER AIRCRAFT
PA-42-720(Advanced Trainer)
MAINTENANCEMANUAL
A. Ailerons
1. Aileron Balancing Procedure(Figure 501)
(a)
Removeaileronaccording to instructions in 27-10-00.
(b)
Support aileron upside down on knife edges using hinge bolts as fulcrum points.
(c)
Establishhorizontal reference mark which aligns with trailing edge of aileron when held in horizontalposition. (Chordline level.)
(d)
Ensure surface rotates freely with no binding at knife edges.
(e)
Verify unbalance is between limits -17+0 -2 inch-pounds, leading edge heavy.
(f)
If aileron is trailing edge heavy with master test weight installed, determine and correct reason for unbalance.
(g)
If aileron is leading edge heavy, remove material from outboard balance weight to correct imbalance.
(h)
Installbalanced aileron on aircraft.
NOTE: Aileron placed upside down in jig.
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