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Van's Aircraft RV-12 Maintenance Manual
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Rev.
5
12
-
11
Figure
30
: Vac
uum Gauge Hook
up
13.
Secure the ai
rcra
f
t to the g
round using c
hock
s, ropes etc.
▲
WARNING:
S
ECUR
E AND
OBS
ERVE T
H
E PRO
PELLER ZO
NE DUR
ING ENGINE
OPERATION
!
14.
Start the engine
and w
arm it up
until
normal o
perating
temperat
ures are
achiev
ed.
142
144
Table of Contents
Table of Contents
4
Default Chapter
8
O Verview
8
Chapter 1- General
9
Introduction
9
Purpose
9
Summary
9
Scope
10
Method
11
Replacement Parts
11
Applicable Throughout
12
General Safety
12
Helpful Terminology
13
Safety of Flight Reporting Procedure
13
Abbreviations
14
Units
15
Tools and Expendables
16
Engine
20
Lubrications and Capacities
21
Brake Fluid
21
Engine Oil
21
Figure 2: Oil Viscosity
21
Engine Coolant
22
Fuel
22
Tire Pressures
22
Torque Values
23
General Procedures
24
Lifting & Supporting the Fuselage
24
Figure 3: Lifting and Supporting
25
Weight and Balance
26
E Quipment L ist
29
Chapter 2- Service Schedule
35
Overview
35
Chapter 3 - Inspection
37
Default Chapter
37
Overview
37
Inspection Description
39
Pre-Inspection / Post-Inspection
39
Tools
39
Figure 4: Remove for Inspection
40
Cockpit
41
Figure 5: Control Stops
42
Communication
43
Emergency Locator Transmitter
43
Intercom
43
Optional Equipment
43
Propeller
43
Radio
43
Transponder
43
Engine
44
Firewall Forward
44
Figure 6: Rivet Inspection
46
Fuselage
46
Landing Gear
47
Wing / Center Section/Aoa
48
Wing / Center Section
48
Rear Spar Doubler
49
Empennage
50
Rudder
50
Vertical Stabilizer
50
Figure 8: Rudder Stop
51
Anti-Servo Tab & Pitch-Trim Servo
52
Stabilator
52
Angle-Of-Attack System
53
Paperwork
53
Chapter 4 - Structural Repairs
55
Overview
55
Minimum Certification
56
Chapter 5 - Structures
57
Overview
58
Fuselage
58
Figure 9: Fuselage
59
Wing and Flaperon
60
Figure 10: Wing and Flaperon
60
Empennage
62
Figure 11: Empennage
62
Landing Gear
64
Figure 12: Landing Gear
64
Figure 13: Nose Wheel and Gear Leg Fairings
66
Figure 14: Main Wheel Fairings
67
Service
68
Figure 15: Flaperon Hinge
74
Figure 16: Extracting the DW4K2X Bearing
76
Figure 16.1: Rear Spar Doubler Replacement
80
Chapter 6 - Flight Controls
87
Overview
88
Components
88
Service
89
Supplies
89
Expendable
89
Replaceable
89
Tools
89
General
89
Figure 17: Locking Clip Removal
90
Figure 18: Tensioner Barrel Removal
90
Control Cable Replacement
92
Rod End Replacement
93
Bellcrank Bearing Replacement
94
Rudder Pedal Removal
94
Installation
95
Service Schedule Procedures
95
Cable End Hardware Lubrication
95
Control System Rod End Lubrication
95
Chapter 7 - Brake System
97
Overview
98
Service
98
Components
98
Supplies
99
Expendable
99
Replaceable
99
Tools
99
General
99
Master Cylinder Removal
99
Removal
99
Disconnection
100
Figure 19: Torque Tube Lubrication
100
Installation
100
Service Schedule Procedures
100
Brake Pedal Torque Tube Lubrication
100
Draining
101
Flushing
101
Hydraulic Fluid Drain, Flush, and Replace
101
Replacing
101
Brake Lining Replacement
102
Chapter 8 - Electrical System
103
Overview
104
Components
104
Figure 20: Optional Wing Tip Lighting
105
Optional Lighting
105
Optional Components
105
Service
106
Supplies
106
Expendable
106
Replaceable
106
Tools
106
General
107
Battery Removal
107
Installation
107
Figure 21: Fuse Panel
108
Fuse Replacement
108
Pitch-Trim Servo Replacement
109
Figure 22: Trim/Servo Assembly Removal
110
Figure 23: Pitch-Trim Servo Removal
110
Electrical Component Replacement
111
AV Control Board Replacement
112
Figure 24: Stall Warning Ground
112
Wire Repair
113
Wire Replacement
113
Figure 25: Snap Bushing
115
Snap Bushing Replacement
115
Service Schedule Procedures
116
Battery Recharge
116
Battery Terminal Cleaning
116
Terminal Tab Cleaning
116
Chapter 9 - Instruments & Avionics
117
Overview
118
Components
118
Optional Components
119
Pitot & Static
119
Service
120
Components
120
Supplies
120
Expendable
120
Replaceable
120
General
121
Component Replacement
121
Light Replacement
121
Service Schedule Procedures
122
Software Updates
122
Chapter 10 - Utility Systems
123
Default Chapter
124
Heat
124
Components
125
Overview
124
Ventilation
125
Components
126
Service
126
Expendable
126
Replaceable
126
Supplies
126
Tools
126
General
127
Push/Pull Cable Lubrication
127
Service Schedule Procedures
127
Vent Door Repair
127
Chapter 11 - Propeller
129
O Verview
130
Prop & Hub
131
Chapter 12 - Firewall Forward
133
Components
134
Rotax 912ULS
134
Figure 26: Rotax 912ULS
135
Ignition
135
Spark Plugs
135
Overview
134
Engine
135
Supplies
136
Tools
136
Service
135
General
136
Cowling Removal
136
Engine Oil Level Check
137
Figure 27: Carburetor Overview
140
Figure 28: Mixture Screw
141
Figure 29: Throttle Handle Idle Position
142
Vacuum Gauge Hookup
142
Figure 30: Vacuum Gauge
143
Off Idle Setting
144
Idle Speed Adjustment
144
Verify Functionality of Throttle Return Spring
146
Throttle Spring Replacement
147
Service Schedule Procedures
148
Cowl Hinge Pin Lubrication
148
Oil Hose Replacement
148
Cooling Hose Replacement
149
Manifold Pressure Hose Replacement
149
Engine Replacement
151
Chapter 13 - Fuel System
153
O Verview
154
Fuel System Schematic
155
General
156
Draining the Fuel System
156
Fuel Tank Removal
157
Fuel System Component Removal
158
Supplies
156
Tools
156
Expendable
156
Service Schedule Procedures
159
Gascolator Cleaning
159
Fuel Return Assembly Replacement
160
Fuel Strainer Removal
160
Figure 31: Fuel Pressure Hose Flush
161
Fuel Pressure Hose Flush
161
Fuel Drain Hose Replacement
162
Chapter 14 - Exhaust System
163
Default Chapter
164
O Verview
164
Tools
164
General
165
Exhaust System Removal
165
Service Schedule Procedures
166
Ball Joint Lubrication
166
Chapter 15 - Painting and Coatings
167
O Verview
168
S Ervice
169
Chapter 16 - Troubleshooting
173
Chapter 17 - Feedback & Replacement Parts
175
R Eplacement P Arts
176
S Ubstitute P Arts
177
Chapter 18 - Supplement
180
S Ervice S Chedule
182
I Nspection C Hecklist
186
View
204
Feedback Form
206
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Van's Aircraft RV-12 Specifications
General
Brand
Van's Aircraft
Model
RV-12
Category
Aircrafts
Language
English
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