AIR TRACTOR AT-502A - User Manual

AIR TRACTOR, INC.
Olney, Texas
AT-502A/502B/504
TABLE OF CONTENTS
DESCRIPTION SECTION
Page No.
GENERAL .............................................................................................................................. 1
CERTIFICATION BASIS ........................................................................................................ 1
INSTRUCTIONS FOR CONTINUED AIRWORTHINESS (ICA’s) ......................................... 2
FUSELAGE ............................................................................................................................ 3
WINGS .................................................................................................................................. 3
AILERONS ............................................................................................................................. 3
Bendable Aileron Trim Tabs ..................................................................................... 4
FLAPS .................................................................................................................................. 4
EMPENNAGE ........................................................................................................................ 4
LANDING GEAR AND BRAKES ............................................................................................ 5
Landing Gear ............................................................................................................ 5
Brake System ............................................................................................................ 5
Brake System Schematic .......................................................................................... 6
ENGINE ................................................................................................................................. 7
INDUCTION SYSTEM ........................................................................................................... 7
EXHAUST SYSTEM .............................................................................................................. 8
FUEL SYSTEM ..................................................................................................................... 8
Fuel System Schematic ............................................................................................ 9
To Install Ferry Fuel System ................................................................................... 10
To Remove Ferry Fuel System ............................................................................... 11

Summary

GENERAL

CERTIFICATION BASIS

Structural certification to FAR 23 and operational weight limits.

INSTRUCTIONS FOR CONTINUED AIRWORTHINESS (ICAs)

LIST OF MANUALS AND DOCUMENTS

References for maintenance and continued airworthiness.

FUSELAGE

WINGS

Wing structure, materials, span, chord, fuel tank location.

AILERONS

Aileron construction, operation, and interconnection with flaps.

FLAPS

EMPENNAGE

LANDING GEAR AND BRAKES

Landing Gear

Spring-type main and tail landing gear, wheels, and tires.

Brake System

Brake cylinders, fluid, parking brake valve, and hoses.

BRAKE SYSTEM SCHEMATIC

Diagram illustrating the aircraft's brake system components and connections.

ENGINE

INDUCTION SYSTEM

Engine air intake, filters, and pressure differential warning system.

EXHAUST SYSTEM

FUEL SYSTEM

FUEL SYSTEM SCHEMATIC

Diagram showing the fuel system layout and components.

To Install Ferry Fuel System

Step-by-step instructions for installing an optional ferry fuel system.

To Remove Ferry Fuel System

Steps to remove the optional ferry fuel system.

ENGINE CONTROLS

PROPELLER AND GOVERNOR

ELECTRONIC STARTING AND CHARGING SYSTEM

Description

Lists components of the electronic starting and charging system.

Theory of Operation

Explains how the starting and charging system operates.

ELECTRICAL SYSTEM

Generator Mode

Details starter/generator operation and voltage output.

Line Contact Relay (LCR) Control

Explains GCU monitoring and LCR activation for voltage regulation.

Reverse Current Protection

Describes how the system prevents battery discharge from the S/G.

Overvoltage (OV) Protection

Explains the GCU's overvoltage protection circuit.

COCKPIT

CONTROL SYSTEM

ENGINE-DRIVEN AIR CONDITIONER R134 A (DWNG. 60740)

DISPERSAL SYSTEM

DIGITAL PAYLOAD HOPPER QUANTITY INDICATION SYSTEM

HOPPER RINSE SYSTEM

BLEED AIR COCKPIT HEAT SYSTEM

Details the optional cockpit heater system using engine bleed air.

AIR TRACTOR AT-502A Specifications

General

Brand	AIR TRACTOR
Model	AT-502A
Category	Aircrafts
Language	English