RUNNING ADJUSTMENTS
Handbrake Adjustment
Adjustment of the rear brake shoes as previously described automatically
readjusts the handbrake mechanism.
The cables are correctly set before
leaving the works, and only maladjustment will result from tampering with
the mechanism.
Bleeding the Brake and Clutch Hydraulic System
If a pipe joint is uncoupled, the wheel cylinder cups or clutch operating cyl-
inder are inspected or replaced, the system must be bled in order to expel any
air which may have been admitted.
Air is compressible, and its presence in the system will affect the working
of the brakes and clutch.
Whilst the majority of owners will prefer to have these operations carried
out by a Triumph Agent, for the benefit of those desiring to carry out
their own running adjustments, the procedure is as follows :
1.
Clean the bleeder nipple and fit a piece of rubber tube over it,
allowing the tube to hang in a clean container partially filled with
fluid, so that the end of the pipe is below the level of the fluid.
2.
Unscrew the bleeder nipple one complete turn.
There is only one
bleeder nipple to each wheel and one nipple on the clutch operating
cylinder.
3.
The fluid reservoir should be filled before commencing the bleeding
operation, and must be kept at least half-filled during the whole
operation, otherwise air will be drawn into the system via the
master cylinder.
Do not use fluid that has been expelled from the
system for maintaining the level.
Always clean the area around the
filler cap before removing it.
4.
Depress the pedal quickly and allow it to return without assistance.
Repeat this pumping operation with a slight pause between each
depression of the pedal. Observe the flow of fluid being discharged
into the glass jar and when all air bubbles cease to appear, hold the
pedal firmly down and securely tighten the bleeder nipple.
NOTE.—Depending upon the position at which a pipe joint in the brake
system has been uncoupled, it will be necessary to bleed the system at
either both front or both rear wheels. If the pipe was uncoupled at the
master cylinder, then the system must be bled at all four wheels.
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