Technical articles for HA7C

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Schedule of Technical Articles previously published in Crankhandle.
You may use them at your own risk as neither the Hereford Austin 7
Club nor the authors can be responsible for the results of trying to follow the
instructions given.

Suggested list of spares to be carried in the car.

Part A - Engine
Part B – Clutch, Gearbox & Transmission
Part C - Axles, Wheels, Steering, Brakes & Suspension
Part D – Body, Electrical, Radiator & Miscellaneous

Part A - Engine

Ref	Title	Brief description of contents	Date
A1	Removal	Removal leaving gearbox in chassis	Mar 2013
A2	Conrod truth (1)	Simple test to check for conrod misalignment	Jan 2014
A3	Improved dynamo cooling	Making a ventilated dynamo brush cover	Jan 2014
A4	Tappet cover	Making improvements to the tappet cover	Mar 2014
A5	Fan belts and pulleys	Why we have a flat belt and the importance of pulley alignment	May 2014
A6	Rotor arm	Check for rotor arm fit on shaft	Nov 2014
A7	Condenser	Check for loose condenser	Jan 2015
A8	Choke cable	A suggestion when replacing the cable	Mar 2015
A9	Fuel pump	Installing a mechanical A7 fuel pump	Sep 2015
A10	Ignition timing (1)	An approach to static engine timing	Sep 2016
A11	Ethanol	Brief note of carburettor float corrosion risk	Sep 2016
A12	Tappet clearance	A suggested approach for accurate tappet setting	Nov 2016
A13	Ethanol	A solution to the potential seizure of petrol gauge senders	Jan 2017
A14	Ignition timing (2)	More information on Timing	May 2017
A15	Flywheel	Fitting the flywheel to the crankshaft	Jul 2017
A16	Petrol additive (2)	One option for octane adjustment	Jul 2017
A17	Big-end bearings	White metalling	Sep 2017
A18	Zenith Carburettor	Suppliers of new jets	Sep 2017
A19	Rear main bearing	Suggested modification	Sep 2017
A20	Phoenix crankshaft	Fitting a Phoenix crankshaft	Nov 2017
A21	Bosch rotor arm	Repairing a Bosch rotor arm	Nov 2017
A22	Camshaft pulley	How to safely remove the camshaft pulley	Jan 2018
A23	Oil pump	Discussion of A7 oil pumps with different bore diameters	Mar 2018
A24	Conrod truth (2)	Using a proper machine to accurately test conrod alignment	Mar 2018
A25	Oil Filler pipe	Curing possible oil filler pipe leaks	Sep 2018
A26	Engine rebuild (1)	How a member builds 2 bearing coil engines – Pt 1 Crankcase	Nov 2018
A27	Engine rebuild (2)	Part 2 – Crankshaft, conrods, main bearings & flywheel	Jan 2019
A28	Tappet Adjustment	Tappet Adjustment	Mar 2011
A29	Cylinder Head Nuts	Correct torque settings	Jan 2014
A30	Cylinder Head	Compression Ratio, and dimensions	Jan 2018
A31	Oil Jets	Clearing the jets	Mar 2018
A32	Engine rebuild (3)	Part 3 - Cylinder block, pistons and head	Mar 2019
A33	Engine rebuild (4)	Part 4 - Carburettors, manifolds, clutch and fan spindle	May 2019
A34	Engine rebuild (5)	Part 5 - Assembly	June 2019
A35	Antifreeze	Correct type to use	Nov 2019
A36	Carburettors	SU piston and damper information	Nov 2019
A37	Engine Rebuild in Full	All 5 parts of the A7 engine rebuild by Bob Garrett	June 2019
A38	Crankcases	Austin Seven Production Crankcases	May 2022
A39	Oil Filler Cap	Oil Filler Cap breathing and sealing	Sep 2022

Part B – Clutch, Gearbox & Transmission

Ref	Title	Brief description of contents	Date
B1	Propshaft	Correct alignment of Hardy-Spicer joints	Mar 2017
B2	Clutch release bearing (1)	Lubricating the clutch thrust bearing	Jul 2017
B3	Torque tube	Explanation of the purpose of a torque tube	Nov 2017
B4	Spherical joint	Lubrication of the torque tube spherical joint	Nov 2017
B5	Clutch release bearing (2)	More on thrust bearing lubrication	Jul 2018
B6	Propshaft U/J	More on Hardy Spicer coupling alignment	May 2019

Part C - Axles, Wheels, Steering, Brakes & Suspension

Ref	Title	Brief description of contents	Date
C1	Brake Shoes	Replacing Brake Shoes	May 2012
C2	Lubrication	Poor sealing Grease Nipples	Mar 2013
C3	Wheel & tyre sizes	Compatible tyres and rim widths	Mar 2014
C4	Spring Camber	Corrections to the Source book and 750 Companion	Mar 2014
C5	Oily brake shoes	How to prevent oil reaching brake shoes	Jul 2014
C6	New half shafts	Suggested checks if buying newly manufactured items	Sep 2014
C7	Steering wheel	Hint on spoke alignment	Nov 2015
C8	Shock absorber links	How to insert the rubber bushes	Mar 2016
C9	Rear axle adjustment	Method of judging pre-load on the differential	Mar 2017
C10	Rear springs	Additional springing and improved damping	May2017
C11	Girling	Explanation of Austin, Semi-Girling and full Girling brakes	Sep 2017
C12	Front axle	More effective lateral location of the A7 front axle	Sep 2018
C13	Directional Stability	Even More on directional stability	May 2019
C14	Hubs	Rear Hub oil leaks	Jan 2020
C15	Differential	Replacing the Differential Case Gasket	May 2020
C16	Tyres	Steering difficulties	Mar 2022
C17	Semi Girling Brakes	Refurbishment of Austin Seven – Semi-Girling brakes	Nov 2023
C18	Torque Tube	Torque Tube Flange Seal	Mar 2024

Part D – Body, Electrical, Radiator & Miscellaneous

Ref	Title	Brief description of contents	Date
D1	Radiator	Radiator Maintenance	Nov 2009
D2	Spark Plugs	Spark plug applications	Jan 2010
D3	Fuel Tanks	Sealing Fuel Tanks	Mar 2010
D4	Dynamos	The different types of dynamos fitted	Mar 2010
D5	Restoration	Restoring a Mulliner	Jan 2011
D6	MOT	Tale of a MOT Check	Mar 2011
D7	Tools	Basic Austin Seven Tools	May 2011
D8	Fuel	Bio Fuel concerns	Mar 2012
D9	Fuel	Fuel Stability Additive Test Results	May 2012
D10	Winter	Winter Motoring advice	Jan 2013
D11	Dynamos	Overheating Dynamos	Jan 2013
D12	Spark Plugs	Recommended Spark Plugs	Jan 2013
D13	Paint	Austin Seven Paint Colours	Mar 2013
D14	PD Tourer	Recommissioning an Austin Seven PD Tourer	May 2013
D15	Fuel	Petrol Tips when refilling	May 2013
D16	Fuel	Warnings about Ethanol in Petrol	Jul 2013
D17	The A7 cut-out	Description of how the cut-out works	Mar 2015
D18	Starter motor	Converting late starter motors for use on earlier engines	Nov 2015
D19	LED lights (1)	The reduction in current demand when using LED lights	Jan 2016
D20	BSF Tapping drills	Selecting tapping drills by appropriate thread engagement	Sep 2016
D21	Basic electrical information	Comprehensive car electrical details from Lucas	Nov 2016
D22	LED lights (2)	Legality v/s common sense	Jan 2017
D23	Satnav	Hint on reliably powering a Satnav in a 6V A7	May 2017
D24	Fuel tank	Discussion re the fuel tank breather on late A7s	Nov 2017
D25	Temperature gauge	Fitting a capillary temperature gauge in an A7	Jan 2018
D26	Window glass	Fitting new glass to A7 doors	May 2018
D27	Dynamator (1)	Suspected problems with this dynamo replacement	May 2018
D28	Dynamator (2)	Resolving gear wear problems	July 2018
D29	Engine starting difficulty	Check-list to diagnose cause of starting problems	July 2018
D30	Vacuum wiper motor	Maintenance suggestions	Sep 2018
D31	Radiator	Repairing late A7 radiator mountings	Nov 2018
D32	Bosch Distributor	Bosch Distributor problems	Jan 2014
D33	Bodies	Body Types	Mar 2014
D34	Fuel Tank	Freeing up the Sender Unit	July 2014
D35	Distributor	Information about Electronic Distributors	May 2017
D36	Number plates	Making Number Plates	May 2017
D37	Windscreen	Making Weatherstrip water resistant	Sep 2018
D38	Battery	Battery Care	Jan 2019
D39	Starter housing	Dowels for locating the starter motor	Mar 2019
D40	How to lay up your car	How to lay up your car	May 2019
D41	SU Carburettors	SU Carburettor Tuning	Mar 2020
D42	Building a special	Building an Austin Seven Special by Bob Garrett	Jan 2021
D43	Baseplate earth	Baseplate earth failures	Nov 2021
D44	Fuel Line Connector	Fuel Line Connector and Solder	Sep 2022
D45	Mag/Coil	Mag Coil Conversion Failure	Nov 2022

Page last updated March 31, 2024