A ruler, sometimes called a rule or line gauge, is an instrument used in geometry, technical drawing, printing as well as engineering and building to measure distances or to rule straight lines. The ruler is a straightedge which may also contain calibrated lines to measure distances.

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Renewing drum-brake shoes

Check drum brakes at least every six months, 6,000 miles or 10,000 km, or as recommended in the ...

Vérification, réglage et pose des courroies d'entraînement

Les courroies d'entraînement s'étirent toujours un peu en cours d'utilisation, en raison des con...

Tester un alternateur et vérifier les sorties

Les alternateurs ont remplacés les dynamos sur les voitures plus récentes, du fait de leurs capa...

How to overhaul a Stromberg carburettor

The Stromberg carburettor does not have a regular service schedule, but should be cleaned about ...

Ajuster l'embrayage

Pour travailler efficacement, l'embrayage a besoin de la bonne quantité de jeu dans la liaison e...

How to replace dampers

Modern telescopic dampers cannot be overhauled at home. The only servicing possible is to replac...

Replacing track-rod-end ball joints

Track-rod-end ball joints are not adjustable on later cars. If they wear, you must replace them....

Replacing steering-rack gaiters

If a check of the rack gaiters reveals that the rubber is starting to crack, split or perish, rep...

Réglage de l'alignement des roues

Les roues avant mal alignées peuvent provoquer une usure inégale des pneus et peuvent sérieuseme...

Checking and cleaning a fixed-jet carburettor

Fixed-jet carburettors are easily blocked by small dirt particles and chemical residues from fue...

How to remove a cylinder head

Removing the cylinder head is straightforward on pushrod engines, but more complicated on overhea...

Renewing alternator brushes

Unlike dynamo brushes, alternator brushes normally last for several years. Electrical arcing bet...

Réglage et remplacer une courroie de direction assistée

La courroie qui entraîne une pompe de fluide hydraulique de direction est assistée généralement ...

How to align headlights at home

Only a garage with special equipment can align headlamps accurately. However, you may need to do ...

Checking the oil pump

Low oil pressure - indicated on the oil-pressure gauge or dashboard warning light - could provid...

Update your charging system

Alternators are powerful enough to cope with the demand for current made by a modern car's electr...