Hawker 20FP25H1C-R User Manual

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.

Hawker 20FP25H1C-R Specifications

General

Brand	Hawker
Model	20FP25H1C-R
Category	Camera Accessories
Language	English

Summary

HAWKER Ni/Cd Airborne Battery Manual - Purpose and Use

1.2 Battery Features and Designation

1.2.2 The Cells

1.3 Basic Electrochemical Reactions

1.4 Specified Definitions

1.4.1 Current Rates

1.4.2 Rated Current (I1)

1.4.3 Rated Capacity C1

1.4.4 Constant Voltage Current Ipr

1.4.5 EPV = End Point Voltage

1.5 Commonly Used Terms

1.5.1 Constant (Low) Current Charging

1.5.2 IU-Charge

1.5.3 End of Charge Voltage

1.5.4 Constant Voltage Charging

1.5.5 Capacity Test

1.5.8 Reconditioning

Describes reconditioning to recover capacity losses.

1.6 Technical Data

1.6.1 Operational Parameters

1.6.2 Technical Cell Data

1.6.3 Technical Battery Data

2. Safety Measures and Instructions

2.1 Safety Instructions, Warnings and Notes

Explains the meaning of CAUTION, ATTENTION, and NOTE for safety.

2.2 General Safety Instructions

Provides essential safety guidelines for working with batteries.

3. Commissioning of New Batteries

3.2 Goods Inwards Inspection Task

3.3 Commissioning Task for New Batteries

Details the step-by-step process for commissioning new batteries.

3.4 Release to Aircraft Task

Describes the process for releasing a battery for aircraft use.

4. Maintenance Intervals

4.1 Unscheduled Maintenance Procedures

Outlines steps for investigating unscheduled battery removals.

4.2 Scheduled Maintenance Procedures

Details the procedures for routine maintenance checks.

5. Storage Tasks for Airworthy Batteries

6. Transportation of Batteries

Task 6.1 – Shipment of Batteries

7. Maintenance Tasks

Task 7.1 - Monthly on Aircraft Check

Describes the monthly inspection procedure on aircraft.

Task 7.2 - Quarterly Maintenance

Outlines quarterly maintenance checks for airborne batteries.

8. Sub-Tasks of Maintenance / Commissioning Procedures

Task 8.1 - Reconditioning of Cells

Explains how to recondition cells with reduced discharge capacity.

Task 8.3 - Insulation Resistance Measurement

Describes how to measure insulation resistance.

Task 8.4 - Check of Electrolyte Density

Outlines the procedure for checking electrolyte density.

Task 8.7 – Functional Test on Thermostats

Describes functional testing of thermostats and temperature sensors.

9. Fault Finding (Unscheduled Maintenance)

10. Unscheduled Tasks

Task 10.1 - Inspection and Diagnostic

Outlines steps for inspecting and diagnosing battery issues.

Task 10.2 - Replacement of Upper Pole Nuts

Task 10.3 - Replacement of Lower Pole Nuts

Task 10.4 - Replacement of Thermostat Switch Assembly

Covers the replacement of thermostat switch assemblies.

Task 10.5 - Replacement of Main Battery Connector

Details the process for replacing the main battery connector.

Task 10.6 - Replacement of Battery Case/Lid

Task 10.7 - Replacement of Cell(s)

Explains how to replace individual battery cells.

Task 10.9 - Commissioning of Repaired Batteries

Details the procedure for commissioning repaired batteries.

Appendix 5: Recommended Tools and Consumables