Piper Cherokee LANCE Service Manual Download

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PIPER CHEROKEE SIX / LANCE SERVICE MANUAL

03/27/08

II - HANDLING AND SERVICING

1C11

With the strut fully compressed, remove the filler plug to determine that the fluid level is
visible up to the bottom of the filler plug hole.

Reinstall the core in the filler plug and apply thread lubricant (See Thread Lubricant, Oleo
Strut, Air Valve - Kopr-Kote.) to the threads of the filler plug and install the plug in the top of
the strut housing. Torque the plug to 45 foot-pounds.

Second Method:

Remove the filler plug from the top of the strut housing.

Raise the strut to full compression.

Pour fluid from a clean container through the filler opening until it is visible at the top of the
strut chamber. If the housing has been completely emptied or nearly so, allow sufficient time
for the fluid to drain through the orifice from the upper chamber into the middle chamber.

Lower the gear until the wheel touches the ground (ten +2 -0 inches of strut exposure) and then
fully compress and extend the strut three or four times to remove any air that may be trapped
and to allow fluid to enter the bottom chamber of the housing.

Raise the strut to full compression and if needed, fill with fluid to the bottom of the filler plug.

Apply thread lubricant (See Thread Lubricant, Oleo Strut, Air Valve - Kopr-Kote.) to the
threads of the filler plug. Reinstall the filler plug and torque to 45 foot-pounds.

Replace the torque link bolt. Tighten bolt only tight enough to allow no side play in the connection.

With the airplane raised, retract and extend the gear strut several times to ascertain that the strut
actuates freely. The weight of the gear fork and wheel should extend the strut.

Clean off overflow of fluid and inflate the strut as described in Paragraph 2-55.

Check that fluid is not leaking around the strut piston at the bottom of the housing.

2-54. FILLING OLEO STRUTS (

PA-32R

To fill the

nose or main gear oleo strut

with fluid (MIL-PRF-5606), whether it be the addition of a small

or large amount, proceed as follows:

Raise the airplane on jacks. (Refer to Paragraph 2-15.)

Place a pan under the gear to catch spillage.

At the filler plug, relieve air pressure from the strut housing chamber by removing the cap from the
air valve and depressing the valve core.

There are two methods by which the strut chamber may be filled and these are as follows:

Method 1:

Remove the valve core from the filler plug at the top of the nose gear strut housing or at the top
inboard side of the main gear housing. Allow the filler plug to remain installed.

Attach one end of a clean plastic hose to the valve stem of the filler plug and submerge the
other end in a container of hydraulic fluid.

NOTE: An air-tight connection is necessary between the plastic tube and the valve stem.

Without such a connection, a small amount of air will be sucked into the oleo strut
during each sequence, resulting in an inordinate amount of air bubbles and a
prolonged filling operation.

Piper Cherokee LANCE, Service Manual

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