BLEEDING THE SYSTEM
The process of bleeding is necessary only when a portion of the system
has been disconnected, or when the level in the supply tank has been
allowed to fall too low, thus permitting air to enter the fluid circuit. It
consists of removing any air which may have found its way into the system.
The GIRLING BRAKE FLUID used is specially prepared for the purpose
and it is important that no other fluid be introduced into the system for
replenishment or serious trouble will ensue.
PROCEDURE
The brake located the furthest distance from the Master Cylinder
should be bled first so in the case of left-hand drive cars the following
sequences should be adopted:
Rear Right-hand Wheel.
Rear Left-hand Wheel.
Front Right-hand Wheel.
Front Left-hand Wheel.
When bleeding the brakes on a R.H.D. car proceed as follows:
Rear Left-hand Wheel.
Rear Right-hand Wheel.
Front Left-hand Wheel.
Front Right-hand Wheel.
Bring all brake pads into contact with the discs by pumping the brake
pedal a few times.
Fill up supply tank with fluid, exercising great care to prevent entry
of dirt.
Take one brake at a time, jack up car and remove road wheel.
Remove the rubber cover from the bleeder nipple of the brake cylinder,
this will be found on the outside of the caliper. Fit rubber bleeder tube
in its place, and allow to hang in a clean container or glass jar, always
keeping end of tube below surface of fluid.
Unscrew the nipple about three-quarters of a turn with a suitable
spanner, and operate brake' pedal up and down a few times, lifting foot
free from pedal after each application. One or two strokes will cause
fluid to commence flowing, but pumping must be continued until the fluid
appears entirely free from .air, It is important that the reservoir is
frequently replenished during this operation as should it be allowed to
become empty, more air will be drawn into the system. After expelling
all traces of air, tighten nipple with brakepedal depressed and repeat
procedure with other wheels.
On completion make sure that reservoirs are topped up to correct
level, i.e., three-quarters full. The dual reservoirs are located under the
bonnet on the bulkhead just above the clutch reservoir.
Never use any fluid other than genuine Castrol Girting Brake and
Clutch Fluid Crimson which can be obtained from any Girling Agent or
direct from Messrs. Castrol Limited.
Always fit Girling factory replacement brake pads,
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