INSPECTION AND CHECK
61-00-39
Page 5-15
Rev. 17 Apr/20
Propeller Owner’s Manual
139
(2) Blade Inspection for HC-B3TN-3DL/LT10282( )-9.5R
Propellers Installed on Piaggio P166 DL3 Aircraft.
CAUTION:
ESTABLISH MORE FREQUENT
INTERVALS FOR INSPECTION IF
SERVICE EXPERIENCE INDICATES
THAT SEVERE CORROSION IS
FOUND DURING INSPECTIONS.
(a) Visually inspect each blade for paint erosion and
corrosion at intervals not exceeding 150 hours
of operation,12 calendar months, or at annual
inspection, whichever occurs first.
1 For scheduling purposes, the inspection interval
has a maximum 10 percent additional
non-cumulative flight hour tolerance.
a For example, the initial 150 hour inspection
is overflown to 160 hours, and then
inspected at this time. The next inspection
must be accomplished 140 flight hours from
previous inspection.
WARNING:
CLEANING AGENTS (ACETONE, #700
LACQUER THINNER, AND MEK), ARE
FLAMMABLE AND TOXIC TO THE SKIN,
EYES, AND RESPIRATORY TRACT. SKIN
AND EYE PROTECTION ARE REQUIRED.
AVOID PROLONGED CONTACT. USE IN
WELL VENTILATED AREA.
2 Use a cloth dampened with an approved solvent/
cleaner to thoroughly clean each blade shank
where exposed to engine exhaust and remove
all foreign matter/exhaust residue.
3 Paint must be in good condition in the area
exposed to exhaust gasses. Repair and
repainting is required if:
a Any of the underlying aluminum blade is
exposed.
b There are any indications of corrosion, such
as pitting or any other unusual conditions.
