19. Fork-lift trucks1
19.1. General provisions
19.1.1. When it is necessary for drivers to leave fork-lift trucks
or tractors unattended, the engines should be stopped, the brakes
applied, the operating controls locked, the forks tilted forward flush
with the floor and clear of the passageway and, if the vehicle is on a
dangerous incline, the wheels blocked.
19.1.2. Workers should not jump on or off moving vehicles.
19.2. Driver protection
19.2.1. (1) The truck should be fitted with an overhead guard
of sufficient strength to protect the driver so far as is practicable
against the impact of small objects falling from above.
(2) The manufacturer should certify that the prototype of the
guard has been tested both statically and dynamically in accordance
with a national or international standard.
19.2.2. A suitable back rest should be attached to the fork
carrier in order so far as is practicable to prevent objects carried on
the forks from falling on to the driver.
19.3. Hydraulic system
19.3.1. Flexible hoses, piping, unions and connections should be
of adequate strength (generally capable of withstanding a pressure of
three times the maximum working pressure without bursting).
19.3.2. A restrictor device should be fitted capable of restricting
the speed of descent of the load carriage to not more than 0.6 rn/s in
the event of a failure in the system such as a pipe burst.
19.3.3. If a telief valve is provided, it should either be non-
I See also section 4.2, which is applicable.