Cleaning, Inspection And Repair Of Nose Landing Gear; Installation Of Nose Landing Gear - Piper Lance II Service Manual

LANCE II SERVICE MANUAL
7-10. CLEANING. INSPECTION AND REPAIR OF NOSE LANDING GEAR.
a. Clean all parts with a suitable dry type cleaning solvent.
b. Inspect the gear components for the following unfavorable conditions:
1. Bolts, bearings and bushings for excess wear, corrosion and damage.
2. Gear housing, drag links, torque links, and tension spring arm for cracks, bends
or misalignment.
3. Downlock hook for excess wear of the hook and bearing surfaces.
4. Downlock pin to insure no looseness is present.
c. Inspect the gear tension and downlock hook springs for the following:
1. Excess wear or corrosion, especially around the hook portion of the springs. A
spring should be rejected if wear or corrosion exceeds one-quarter the diameter of the
spring. Clean away all corrosion and repaint.
2. Check the gear tension springs for load tensions below minimum allowable
tolerances. The minimum allowable tension of the inner spring is 37 pounds pull at 13.75
inches and the outer is 60 pounds pull at 13.75 inches. Measurement is taken from the inner
side of each hook. If it is found that either spring should be rejected, replace both springs.
3. Check the gear downlock hook spring for load tension below minimum
allowable tolerance. The minimum tension of the spring is 10.5 pounds pull at 4.5 inches.
Measurement is also taken from the inner side of each hook.
d. Check the general condition of each limit switch and its actuator, and wiring for
fraying, poor connections or conditions that may lead to failures.
e. Check drag link through center travel by attaching the upper and lower drag links,
and ascertaining that when the stop surfaces of the two links touch, linkage is not less than
.125 nor more than .250 of an inch through center. Should the distance exceed the required
through center travel and bolt and bushing are tight, replace one or both drag links.
f. The shimmy dampener requires no service other than routine inspection. In case of
damage or malfunction, the dampener should be replaced rather-than repaired.
g. Repair to the landing gear is limited to reconditioning of parts such as replacing
bearings and bushings, smoothing out minor nicks and scratches, repainting of areas where
paint has chipped or peeled and replacement of parts.
7-11. INSTALLATION OF NOSE LANDING GEAR (Refer to Figure 7-2.)
NOTE
When assembling any units of the landing gear, lubricate
bearings, bushings, and friction surfaces with the proper
lubricant as described in Section II.
a. Attach the steering bellcrank (4) with bushing to its mounting plate on the engine
mount (44) and connect the steering rods (1). Secure each with bolt and nut (3). The
adjustment, fore and aft, of the bellcrank may be made after the gear has been installed and
rigged and adjusted.
b. To install the gear housing assembly, position the gear so that the bolt attachment
points on the housing (25) align with the attachment points on the engine mount (44).
Install pivot bolts, washers and nuts (7 and 33). Tighten the nuts to a snug fit, yet allowing
the gear to swing free, and safety.
c. The drag links (32 and 35) and gear tension spring arms (43 and 45) may be installed
by the following procedure:
Revised: I I / 1/83
LANDING GEAR AND BRAKE SYSTEM
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