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Hawker 20FP25H1CT-R User Manual

Hawker 20FP25H1CT-R
52 pages
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1
AEROSPACE
Nickel – Cadmium
Batteries
Operating and
Maintenance Manual
UK
The document reference is online, please check the correspondence between the online documentation and the printed version.

Table of Contents

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Hawker 20FP25H1CT-R Specifications

General IconGeneral
BrandHawker
Model20FP25H1CT-R
CategoryCamera Accessories
LanguageEnglish

Summary

HAWKER Ni/Cd Airborne Battery Purpose and Use

1.1 Battery Applications

Lists applications like engine starting, ground operations, and emergency backup.

1.2 Battery Features and Designation

Explains battery construction, materials, and designation system.

1.2.2 Cell Components

Details cell components: electrodes, separators, electrolyte, vent plugs.

1.3 Electrochemical Reactions

Explains charging/discharging chemical processes in Ni/Cd cells.

1.4 Specified Definitions

Defines key terms: current rates, rated current, capacity, endpoint voltage.

1.5 Common Terms

Explains charging methods and voltage definitions.

1.6 Technical Data

Provides operational parameters and technical cell data.

Safety Measures and Instructions for Batteries

2.1 Safety Instructions, Warnings, and Notes

Defines CAUTION, ATTENTION, NOTE terms for safety communication.

2.2 General Safety Practices

Lists critical safety practices for handling and working with batteries.

Commissioning of New Batteries

3.1 Log Book Requirements

Emphasizes recording battery data for airworthiness and warranty.

3.2 Goods Inwards Inspection

Outlines procedures for inspecting new batteries upon receipt.

3.3 Commissioning Task Steps

Details steps for commissioning new batteries: checks and initial charging.

Battery Release to Aircraft Procedures

3.4 Release to Aircraft Task

Specifies requirements for releasing batteries to aircraft post-maintenance.

Battery Maintenance Intervals

4.1 Unscheduled Maintenance Procedures

Guides investigation steps for batteries removed from aircraft.

4.2 Scheduled Maintenance Procedures

Outlines monthly, quarterly, and annual maintenance tasks.

4.3 Maintenance Facility Requirements

Defines requirements for dedicated battery maintenance shops.

4.4 Spare Parts for Repair

States only approved spare parts from IPL should be used.

4.5 Tools and Consumables

References appendices for recommended tools and consumables.

Battery Storage Tasks

5.1 Short-Term Storage

Guidelines for storing charged batteries up to 3 months.

5.2 Long-Term Storage

Procedures for preparing and storing discharged batteries up to 5 years.

Task 5.3 Commissioning after Storage

Details recommissioning batteries after prolonged storage.

Battery Transportation

6.1 Shipment Procedures

Specifies how to prepare and ship batteries complying with regulations.

General Battery Maintenance Tasks

7.1 Monthly Aircraft Check

Describes monthly inspection for batteries on aircraft.

7.2 Quarterly Maintenance

Details quarterly maintenance tasks for airborne batteries.

7.3 Annual Maintenance Procedures

Outlines annual maintenance procedures for airborne batteries.

Maintenance and Commissioning Sub-Tasks

8.1 Cell Reconditioning

Guides reconditioning cells not meeting discharge capacity requirements.

8.2 Pole Nut Torque Check

Details checking and adjusting lower pole nut torque during annual maintenance.

8.3 Insulation Resistance Measurement

Explains how to measure battery insulation resistance.

8.4 Electrolyte Density Check

Outlines procedure for checking electrolyte density in selected cells.

8.5 Vent Pressure Testing

Describes testing vent response pressure after cleaning.

8.6 Battery Component Cleaning

Provides instructions for cleaning disassembled battery components.

8.7 Thermostat/Thermistor Testing

Details functional testing for thermostats and thermistors.

Fault Finding for Unscheduled Maintenance

9.0 Fault Finding Guide

Identifies tests/inspections to diagnose faults from unscheduled battery removal.

Unscheduled Task Procedures

10.1 Inspection and Diagnostic

Outlines inspection and diagnostic steps for unscheduled removals.

10.2 Upper Pole Nut Replacement

Details replacing upper pole nuts, spring washers, and intercell links.

10.3 Lower Pole Nut and Seal Replacement

Explains replacing lower pole nuts, sealing caps, and seals.

10.4 Thermostat Assembly Replacement

Provides instructions for replacing the thermostat switch assembly.

10.5 Main Battery Connector Replacement

Details procedure for replacing the main battery connector.

10.6 Battery Case or Lid Replacement

Guides on replacing the battery case or lid.

10.7 Cell Replacement

Explains process for replacing individual battery cells.

10.8 Insulating Material Replacement

Details replacing insulating material (liners, empty containers).

10.9 Commissioning Repaired Batteries

Outlines commissioning process for repaired batteries.

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