Hartzell HC-D2MV20-3 Series, Owner'S Manual And Logbook

Page: 191 / 204

Maintenance Practices
61-00-40
Page 6-13
Rev. 2 Jun/12
Propeller Owner's Manual
140
(7) If inspections shows any remaining blade damage,
repeat steps 3.A.(5) and 3.A.(6) until no damage
remains. Dye penetrant inspection is recommended in
accordance with Hartzell Propeller Inc. Manaul 202A
(61-01-02).
(8) Treat the repaired area to prevent corrosion. Properly
apply chemical conversion coating and approved paint to
the repaired area before returning the blade to service.
Refer to Painting After Repair in this chapter.
B. Repair of Bent Blades
CAUTION: DO NOT ATTEMPT TO "PRE-
STRAIGHTEN" A BLADE BEFORE
DELIVERY TO AN APPROPRIATELY
LICENSED PROPELLER REPAIR
STATION. THIS WILL CAUSE THE BLADE
TO BE SCRAPPED BY THE REPAIR
STATION.
(1) Repair of a bent blade or blades is considered a major
repair. This type of repair must be accomplished by an
appropriately licensed propeller repair station, and only
within approved guidelines.
4. Painting After Repair
CAUTION: INSTRUCTIONS AND PROCEDURES IN
THIS SECTION MAY INVOLVE PROPELLER
CRITICAL PARTS. REFER TO THE
INTRODUCTION CHAPTER OF THIS
MANUAL FOR INFORMATION ABOUT
PROPELLER CRITICAL PARTS. REFER TO
THE ILLUSTRATED PARTS LIST CHAPTER
OF THE APPLICABLE OVERHAUL MANUAL(S)
FOR THE IDENTIFICATION OF SPECIFIC
PROPELLER CRITICAL PARTS.
A. Propeller blades are painted with a durable specialized
coating that is resistant to abrasion. If this coating becomes
eroded, it is necessary to repaint the blades to provide
proper corrosion and erosion protection. Painting should
be performed by an appropriately licensed propeller repair
station in accordance with Hartzell Propeller Inc. Standard
Practices Manual 202A (61-01-02).