Piper SEMINOLE PA-44-180, Maintenance Manual

Page: 456 / 881

4. Extend the landing gear and connect both doors.
5. Retract the landing gear fully and ascertain the doors close properly and do not bind.
WHEELS AND BRAKES.
NOSE WHEEL.
REMOVAL AND DISASSEMBLY OF NOSE WHEEL. (Refer to Figure 32-13.
1. Jack the airplane enough to raise the nose wheel clear of the ground. (Refer to Chapter 7.)
2. Remove wheel by the following procedure:
A. Remove the nut and washer from one end of the axle rod and slide out the rod and axle plugs.
B. Lightly tap the axle tube out from the center of the wheel assembly by use of an object of near equal
diameter.
— Note —
Be certain not to damage the axle tube end in any way. This will make removal and
installation extremely difficult.
C. Remove the spacer tubes and the wheel assembly.
3. The wheel halves may be separated by first deflating the tire. With the tire sufficiently deflated, remove the
wheel through bolts. Pull the wheel halves from the tire by removing the wheel half opposite the valve stem
first and then the other half.
4. The wheel bearing assemblies may be removed from each wheel half by first removing the snap rings that
secures the grease seal retainers and then the retainers, grease seals and bearing cones. The bearing cups
should be removed only for replacement, by tappipng out evenly from the inside.
INSPECTION OF NOSE WHEEL.
1. Visually check all parts for cracks, distortion, defects and excess wear.
2. Check tie bolts for looseness or failure.
3. Check internal diameter of felt grease seals for distortion or wear. Replace the felt grease seal if surface is
hard or gritty. Lightly coat felt grease seals with SAE 10 oil. (Do not soak felts in oil.)
4. Check tire for cuts, internal bruises and deterioration.
5. Check bearing cones and cups for wear and pitting and relubricate.
6. Replace any wheel casting having visible cracks.
ASSEMBLY AND INSTALLATION OF NOSE WHEEL. (Refer to Figure 32-13.)
1. Ascertain that the bearing cup for each wheel half is properly installed. Install the tire with tube on the
wheel half with the valve stem hole and then join the two wheel halves. Install the through bolts with the
washers and nuts to the valve stem side.
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
3 2 - 4 1 - 0 3
Page 32-39
Revised: May 15, 1989
2H7
PIPER AIRCRAFT