Hartzell HC-B3-2 Series Owner's Manual And Logbook page 243

(6) Aluminum Blades Only:
(a) Apply an approved corrosion preventative coating to
the bare aluminum surface of the blade in accordance
with the manufacturer's instructions.
1 Oakite 31, Chromicote L-25, or Alodine 1201 are
approved chemical conversion coatings.
(7) Apply masking material for the erosion shield, anti-icing or
de-ice boot, and tip stripes, as needed.
WARNING:
CAUTION:
(8) Apply a sufficient amount of finish coating to achieve
2 to 4 mils thickness when dry.
(a) Re-coat before 30 minutes, or after 48 hours.
(b) If the paint is permitted to dry longer than 4 hours, it
must be lightly sanded before another coat is applied.
(9) Remove the masking material from the tip stripes and
re-apply masking material for the tip stripe refinishing if
required.
(10) A pply sufficient tip stripe coating to achieve 2 to 4 mils
thickness when dry.
(a) Re-coat before 30 minutes, or after 48 hours.
(b) If the paint is permitted to dry longer than 4 hours, it
must be lightly sanded before another coat is applied.
(11) Remove the masking material immediately from the
anti-icing or de-ice boot and tip stripes, if applicable.
(12) Optionally, perform dynamic balancing in accordance with
the procedures and limitations specified in the Dynamic
Balance section of this chapter.
MAINTENANCE PRACTICES
Propeller Owner's Manual
FINISH COATINGS ARE FLAMMABLE
AND TOXIC TO THE SKIN, EYES AND
RESPIRATORY TRACT. SKIN AND EYE
PROTECTION ARE REQUIRED. AVOID
PROLONGED CONTACT. USE IN A WELL
VENTILATED AREA.
APPLY FINISH COATING TO UNIFORMLY
COVER THE REPAIR/EROSION. AVOID
EXCESSIVE PAINT BUILDUP ALONG THE
TRAILING EDGE TO AVOID CHANGING
THE BLADE PROFILE AND/OR P-STATIC
CHARACTERISTICS.
139
61-00-39
Rev. 17 Apr/20
Page 6-23