Piper Comanche PA-24 Service Manual page 120

c. Use extra care when greasing the constant speed propeller hub to avoid blowing the clamp gaskets.
Remove one grease fitting and apply grease to the other fitting until fresh grease appears at the hole
of the removed fitting.
2-84a. Thread Lubrication
Lubricate all fittings on external lines, including attachment points at engine and other components, with
proper lubricant (specified in Table II-XV).
When applying thread lubricants, proceed as follows:
a. Thoroughly clean threads before applying lubricant.
b. Use thread lubricant sparingly.
c. Apply thread lubricant to male threads only.
d. Lubricate first three threads only on straight fittings.
e. Do not lubricate first two threads on tapered fittings; apply lubricant to next three threads only.
f. Ensure lubricant does not enter fittings or flared areas.
g. Lubricate any fittings going to engine with same fluid going through lines.
Line
Brakes
Fuel
Oil
Oxygen
Pitot and Static
CAUTION: LUBRICATE ENGINE FITTINGS ONLY WITH THE FLUID CONTAINED IN THE
PARTICULAR LINE.
II - HANDLING AND SERVICING
PIPER COMANCHE SERVICE MANUAL
TABLE II-XV. THREAD LUBRICANTS
Lubricant
MIL-PRF-5606, Hydraulic Fluid
SAE-AMS-2518, Anti-Seize Compound, Graphite Petrolatum
SAE-AMS-G-6032, Grease (Gasoline and Oil Resistant)
A-A-58092, Ribbon Dope Thread Sealant, Anti-Seize and Sealing,
TT-A-580 (TT-S-1732), Anti-Seize Compound
Permacel 412
1C42
04/01/09