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

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Propeller Owner's Manual
140
DESCRIPTION AND OPERATION
61-00-40
Page 2-16
Nov/02
L - LEFT HAND ROTATION
HC - HARTZELL CONTROLLABLE
NO. OF BLADES 2 OR 3
HC - D 3 V 20 - 6 L
D - SPLIT BEARING RETENTION, HYDRAULIC PITCH
CHANGE MECHANISM MOUNTED ON ENGINE
STEEL HUB PROPELLER MODEL IDENTIFICATION
BASIC SHANK
BASIC HUB DESIGN
3. Model Designation
The following pages illustrate sample model designations for
Hartzell Hydro-Selective propeller hubs and blades.
3 - 8.875 " (22.54 CM) DIAMETER CYLINDER,
4.65" (11.81 CM) LONG
COUNTERWEIGHTS; USES 91-3E HYDRAULIC UNIT
6 - 91-6L HYDRAULIC UNIT
7 - USES 91-7DS HYDRAULIC UNIT; 93-A, B, C VALVE
ASSEMBLY - NON GOVERNING; 93-AG, BG, CB VALVE
ASSEMBLY - GOVERNING
8 - USES 91-8DS HYDRAULIC UNIT; 93-A, B, C VALVE
ASSEMBLY - NON GOVERNING; 93-AG, BG, CB VALVE
ASSEMBLY - GOVERNING
8D - USES 91-8DT HYDRAULIC UNIT; 93-E VALVE ASSEMBLY
SPECIFIC DE-
SIGN FEATURES
MV - SINGLE SHOULDER BLADE RETENTION SYSTEM
V - DOUBLE SHOULDER BLADE RETENTION SYSTEM
X - DOUBLE SHOULDER BLADE RETENTION SYSTEM
20 - SAE 20 SPLINE