Installation; Adjustment; Main Gear Oleo; Inspection - Piper SENECA II Service Manual

7-15. INSTALLATION. (Refer to Figure 7-2.)
a. Install upper nose gear actuating tube assembly (13) in position between two bearing blocks and
secure with attaching hardware.
b. Install lower nose gear actuating tube assembly (8) in position between two bearing blocks and
secure with attaching hardware.
c. Insert lower link assembly(11) into upper link assembly (10) and adjust as necessary to obtain a
dimension of 4.60 inches between the centerline of each link. Tighten locknut. (Refer to Sketch A.)
d. Install assembled link assembly between two upright arms of upper actuating tube assembly and
secure with attaching hardware. Insert the lower link between the two upper holes in actuating tube
assembly(8) and secure with attaching hardware.(Refer to Figure 7-2.)
e. Install roller (16) directly below link (11) on lower actuation tube assembly.Secure in position with
attaching hardware making certain the roller is free to turn.
NOTE: If cracks or any signs of wear are evident, the roller must be replaced.
f. Install four washers on stop bolt (14) and insert into bushing on upper actuating tube assembly (13).
g. Adjust both retraction rods (18) to obtain a dimension of 9.15 inches as shown. Attach upper end of
retraction rod to arm of upper actuation tube assembly.The lower end should be attached to the door
bracket. Install tension spring(15). (Refer to Figure 7-2.)
h. Install gear doors by positioning hinge halves and inserting hinge pin. A new hinge pin should be
used. Bend end of hinge pin to secure door in place.

7-16. ADJUSTMENT.

a. Place airplane on jacks.
b. With link assembly and retraction rods adjusted as explained in Paragraph 7-15, the gear should
swing through the door opening with a clearance of .25 inch between the gear and door at their
closest point.
c. If clearance between gear and door is less than .25 inch, remove washers from stop bolt until the
specified clearance is obtained. If clearance between the gear and door exceed the specified
clearance, add washers to the stop bolt.
d. If doors sag when fully retracted, tighten link assembly (11, Figure 7-2). If doors are too tight,
loosen link assembly.
e. Check all rod ends for adequate thread engagement for safety and tightness of jam nuts.

7-17. MAIN GEAR OLEO.

7-18. INSPECTION.

a. Clean all parts with a suitable dry type cleaning solvent.
b. Inspect landing gear oleo assembly components for the following:
1. Bearings and bushings for excess wear, corrosion, scratches and overall damage.
2. Retaining pins for wear and damage.
04/30/07
PIPER SENECA II SERVICE MANUAL
1K3
VII - LANDING GEAR AND BRAKE SYSTEM