| Information
|
Method
of Inspection |
Reason
for rejection |
| This
inspection. Applies to all vehicles with a secondary brake operating
mechanism in addition to, or in place of, the normal parking
brake lever. Includes hand operated valves fitted to control spring
brakes or lock actuators |
1.
Examine the control for |
| a.
fractures, damage or excessive corrosion |
a.
deliberate modification which significantly reduces the
original strength, excessive corrosion, damage, fracture
or an inadequate repair of the control |
| b.
security of operating valve spindle |
b.
an insecure operating valve spindle |
| c.
amount of travel |
c.
the control cannot be moved over its full travel |
| d.
loose connections or leaks |
d.
a loose connection or a leak in the system |
| e.
wear in gate and/or lever locating mechanism |
e.
a gate and/or locating mechanism so worn that the lever
is not safely retained in the “on” or “off” position |
| f.
damping of the lever gate on valves controlling lock actuators |
f.
insufficient or no damping of the lever gate on valves controlling lock actuators |
| |
2.
Check the valve unit for |
| a.
security of its mounting |
a.
an insecure valve unit |
| b.
location |
b.
the lever located so that it cannot be operated satisfactorily
from the normal driving position |
| c.
correct functioning |
c.
a valve malfunctioning |
