ADJUSTMENT OF MAIN LANDING GEAR.
1.
Place the airplane on jacks. (Refer to Chapter 7.)
2.
Level the airplane laterally and longitudinally. (Refer to Chapter 8.)
3.
Disconnect the gear door actuating rods at either the door or the housing, as desired, by removing the rod attachment bolt. Secure the door out of the way.
32-10-00 Page 32-25 Revised: December 6, 2002
THE NEW PIPER AIRCRAFT, INC.
PA-44-180
AIRPLANE MAINTENANCE MANUAL
A591
12 14
4
11 1 / 3
87 36 36 3339 40 TORQUE SUPPORT BRACKET ATTACHMENT26 TORQUE SUPPORT BRACKET ATTACHMENT
been used during assembly of the aircraft due tomanufacturing tolerances. Therefore, special attention 42 43
FWD Special landing gear attachment hardware may have 45
respectively when oversized hardware is required.
Figure 32-3. Main Gear Installation (Sheet 1 of 2)
32-10-00
Page 32-26 Revised: December 6, 2002 2H2
THE NEW PIPER AIRCRAFT, INC.
PA-44-180
AIRPLANE MAINTENANCE MANUAL
1763
1.
SUPPORT FITTING, AFT 2
2.
SNAP RING
3.
BEARING 49
4.
RETAINER, TUBE ASSEMBLY
5.
FITTING, GREASE
6.
HINGE, GEAR DOOR 53
7.
BOLT, WASHERS AND NUT
8.
TORQUE LINK, UPPER 13
9.
WASHER, SPACER 13 52
10.
TORQUE LINK, LOWER 51
11.
DOOR, GEAR
12.
NUT
13.
HOUSING, STRUT
14.
PLUG, HYDRAULIC FLUID 5 54
15.
VALVE ASSEMBLY
16.
SUPPORT FITTING, FORWARD
17.
FITTING, GREASE
18.
SPRING, DOWNLOCK
19.
TURNBUCKLE
20.
SWIVEL ASSEMBLY
21.
RETRACTION FITTING
22.
JAM NUT 2 55
23.
ROD, PISTON 2 1
24.
CYLINDER, HYDRAULIC ACTUATING
25.
BOLT, WASHERS, NUT AND COTTER PIN TORQUE
26.
STUD, SIDE BRACE SUPPORT TORQUE 50-70 IN.-LB.
27.
SUPPORT BRACKET 50-70 IN.-LB.
28.
LINK, UPPER SIDE BRACE
29.
PLATE
30.
HOOK, DOWNLOCK SKETCH A
31.
BOLT, WASHERS, NUT AND COTTER PIN
32.
PIN, DOWNLOCK
33.
LINK, LOWER SIDE BRACE 1734
34.
BRACKET, SPRING
35.
SWITCH, SAFETY
36.
ACTUATOR, SAFETY SWITCH
37.
BOLT, WASHERS, NUT AND COTTER PIN
38.
ROD, GEAR DOOR 21
39.
BOLT, WASHERS, NUT AND COTTER PIN 59
40.
FORK GEAR 19
41.
CLAMP
42.
HOSE, BRAKE
43.
BRAKE HOUSING
44.
BRAKE DISC 56 57 33
45.
TIRE
46.
ROD END BEARING
47.
BOLT, WASHER, NUT AND BUSHING
48.
BOLT
49.
SHIM WASHER
50.
BOLT
51.
WASHER
52.
WASHER 31 29 28
53.
BEARING, FORWARD SUPPORT
54.
BEARING, AFT SUPPORT
55.
SNAP RING
56.
ROD END BEARING
57.
JAM NUT
58.
BRACKET, SWITCH
59.
CLIP, SAFETY
60.
BUSHING, TAPERED
SKETCH B
Figure 32-3. Main Gear Installation (Sheet 2 of 2)
32-10-00 Page 32-27 Revised: December 6, 2002
2H3
THE NEW PIPER AIRCRAFT, INC.
PA-44-180
AIRPLANE MAINTENANCE MANUAL
4.
Adjust rod end on upper side brace link with no load on wheels to obtain 90 degree angle between wheel centerline and level floor line on outboard side of gear.
5.
Check that the rod end has sufficient thread engagement in the end bearing. align the flat sides of the bearing casting with the flat side of the bearing and tighten the jam nut.
6.
Adjust the turnbuckle of the downlock mechanism by first ascertaining that the gear is down and locked, and then move the retraction fitting outboard until it contacts the stop slot of the side brace link. Hold the fitting in this position and turn the turnbuckle barrel until the downlock hooks make contact with the lock pin. Safety the turnbuckle.
7.
For easier adjustment of the downlock limit switch, it may be set at this time.
8.
Retract and extend the gear manually several times to ascertain that the side brace link falls through center: the downlock hook falls into position and there is no binding of the gear assembly.
9.
The gear should be adjusted in the up position to allow the gear fork to press lightly into the rubber bumper pad on the wing. The adjustment may be accomplished as follows:
— Note —
If it requires less than .025 of an inch to move the gear into the correct adjustment, Steps B and F thru H need only be followed.
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