Cleaning, Inspection And Repair Of Nose Gear Actuating Cylinder; Assembly Of Nose Gear Actuating Cylinder; Installation Of Nose Gear Actuating Cylinder; Main Gear Actuating Cylinder - Piper Lance II Service Manual

LANCE II SERVICE MANUAL
6-18. CLEANING, INSPECTION, AND REPAIR OF NOSE GEAR ACTUATING
CYLINDER.
a. Clean the cylinder parts with a suitable dry type solvent and dry thoroughly.
b. Inspect the cylinder assembly for the following:
1. Interior walls of the cylinder and exterior surfaces of the piston for scratches,
burrs, corrosion, etc.
2. Threaded areas for damage.
3. Rod end fitting and swivel fitting of cylinder for wear and corrosion.
c. Repairs to the cylinder and limited to polishing out small scratches, burrs, etc., and
replacing parts.
6-19. ASSEMBLY OF NOSE GEAR ACTUATING CYLINDER. (Refer to Figure 6-7.)
a. Install "O" ring (4) on the exterior of the end gland (2).
b. Install "O" ring (3) in the interior of the end gland.
c. Install "O" ring (7) on the body of the piston assembly.
d. Lubricate the areas around the "0" rings with hydraulic fluid, slide the end gland on
the piston rod and screw end gland in cylinder body (6).
e. Align reference marks and secure end gland with safety-wire (1).
f. Check smoothness of operation of the piston.
6-20. INSTALLATION OF NOSE GEAR ACTUATING CYLINDER.
a. Attach the cylinder to its attachment fitting using bolt and nut.
b.
Attach the operating rod end to the downlock, this will require manually
unlocking the nose gear to allow clearance from the engine mount to install attaching bolt.
(Refer to Caution Note Paragraph 6-16).
c.
Connect the hydraulic lines to the cylinder fittings.
d. Check the adjustment of the cylinder rod end. (Refer to Adjustment of Nose
Landing Gear, Section VII.)
e.
Operate pump to purge system of air and check fluid level in reservoir.
f. Remove the airplane from jacks.
6-21. MAIN GEAR ACTUATING CYLINDER.
6-22. REMOVAL OF MAIN GEAR ACTUATING CYLINDER.
a. Place the airplane on jacks. (Refer to Jacking, Section II.)
b. Disconnect the hydraulic lines from the actuating cylinder and cover the open line
ends to prevent contamination.
c. Disconnect the gear downlock spring from the swivel fitting at the upper end of the
spring.
d. Remove the downlock spring swivel fitting and disconnect the cylinder operating
rod end from the upper side brace retraction fitting by removing the attaching nut, washer
and bolt.
e. Disconnect the cylinder from its attachment by removing nut and bolt.
f. Remove the cylinder from the wheel well.
Issued: 1/3/78 HYDRAULIC SYSTEM
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