Hartzell HC-D2X20-8 Manuals

Manuals and User Guides for Hartzell HC-D2X20-8. We have 1 Hartzell HC-D2X20-8 manual available for free PDF download: Owner's Manual

Hartzell HC-D2X20-8 Owner's Manual (194 pages)

Hydro-Selective Propellers with Aluminum Blades

Brand: Hartzell | Category: Aircrafts | Size: 0.93 MB

Table of Contents
19
Contents
27
Introduction
27
Purpose
29
Airworthiness Limits
29
General
29
Personnel Requirements
29
Maintenance Practices
29
Continued Airworthiness
30
Reference Publications
33
Definitions
34
Abbreviations
37
Hartzell Product Support
38
Warranty Service
38
HC-D2(MV,V,X)20-3 Propeller Assembly
40
HC-D2(MV,V,X)20-7( ) and HC-D2(MV,V,X)20-8( ) Propeller Assembly
40
HC-D3MV20-8D Propeller Assembly
40
Figure
40
Description and Operation
41
General Description (Construction)
41
General Description (Forces)
43
General Description (Control)
43
Propeller Description
47
Propeller Model HC-D2(V,MV,X)20-3( )
47
Propeller Model HC-D3(V,MV,X)20-6( )
49
Propeller Models HC-D2(MV,V,X)20-7( ), - 8( )
51
Propeller Model HC-D3MV20-8D
53
Model Designation
54
Steel Hub
54
Governor in Onspeed Condition
56
Governor in Underspeed Condition
56
Governor in Overspeed Condition
56
Governors
57
Theory of Operation
57
Governor Types
58
Identification of Hartzell Governors
58
Pilot Operating Instructions
59
Non-Governing (Hydroselective Propeller)
59
Governing (Constant Speed Operation)
61
Modification of Shaft Gear Adapter
64
Valve Assemblies for D2(MV,V
64
Figure
64
Spacer Selection
64
Table
64
Tools, Consumables, and Expendables
65
Tooling
65
Consumables
65
Expendables
65
Propeller Mounting Hardware Identification
66
Propeller Mounting Hardware
66
Table
66
Pre-Installation
67
Inspection of Shipping Package
67
Uncrating
67
Inspection after Shipment
67
Propeller Assembly Installation
69
Precautions
69
O-Ring and Propeller Mounting Hardware Identification
69
Valve Assembly for D2(MV,V,X)20-3 Propeller
70
Figure
70
Installing the HC-D2(MV,V,X )20-3 Propeller Assembly
71
Determining Torque Value When Using Torquing Adapter
72
Reverse Pitch Hardware Adjustment
78
Installing the HC-D3(MV,V,X)20-6L Propeller Assembly
84
Torque Values
93
Installation of Governor and "T"-Drive
96
Installation of Governor and "T" Drive
96
Installation of Governor and "T" Drive (on -7 and -8 Series Propellers Only)
97
Figure
100
Installing the HC-D2(MV,V)20-7( ) Propeller Assembly
103
Installing the HC-D(2,3)(MV,V,X)20-8( ) Propeller Assemblies
118
Propeller Removal
130
Removal of the HC-D2(MV,V,X)20-3 Propeller Assembly
130
Removal of the HC-D3(MV,V,X)20-6L Propeller Assembly
132
Removal of the HC-D2(MV,V,X)20-7 Propeller Assembly
134
Removal of the HC-D(2,3)(MV,V,X)20-8( ) Propeller Assemblies
136
Testing and Troubleshooting
139
Operational Tests
139
Initial Run-Up
139
Post-Run Check
139
Troubleshooting
139
Insufficient RPM Control (Non-Governing Propeller)
139
Maximum RPM (Static) Is Low (Governing Propeller)
139
Maximum RPM (Static) Is High (Governing Propeller)
139
Insufficient High-Low Pitch Control
139
Cruise RPM too High
139
Vibration
145
Propeller Overspeed (Non-Governing)
146
Propeller Overspeed (Governing)
146
Propeller Underspeed (Non-Governing)
146
Propeller Underspeed (Governing)
146
Oil or Grease Leakage
147
Figure
149
Pre-Flight Checks
151
Operational Checks
152
Required Periodic Inspections and Maintenance
153
Periodic Inspections
153
Periodic Maintenance
154
Airworthiness Limitations
154
Overhaul Periods
155
Inspection Procedures
156
Blade Damage
156
Grease or Oil Leakage
156
Vibration
158
Tachometer Inspection
159
Checking Blade Track
160
Blade Play
160
Blade Track
161
Loose Blades
161
Corrosion
163
Spinner Damage (if Installed)
163
Special Inspections
163
Overspeed
163
Lightning Strike
164
Foreign Object Strike/Ground Strike
165
Fire Damage or Heat Damage
166
Long Term Storage
166
Lubrication Fitting
167
Lubrication Label
167
Figure
167
Approved Paints
168
Table
168
Maintenance Practices
169
Cleaning
169
General Cleaning
169
Spinner Cleaning and Polishing
169
Figure
170
Lubrication
174
Lubrication Intervals
174
Lubrication Procedure
174
Approved Lubricants
177
Figure
178
Blade Repairs
179
Repair of Nicks or Gouges
179
Repair of Bent Blades
180
Painting after Repair
181
Dynamic Balance
184
Overview
184
Inspection Procedures before Balancing
185
Placement of Balance Weights for Dynamic Balance
186
Maximum RPM Check (on Ground)
187
Records
191
Introduction
193
Record Keeping
193
Information to be Recorded
193

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