SRT55D Off-Highway Truck
5-3
Safety, Operation and Maintenance Manual
Large rocks that might fall from the bucket can
be dangerous to both the truck and operator.
Keep your head and arms inside the cab
during loading to avoid the danger of falling
rocks or other shovel spillage.
When the loader operator signals that the
truck is loaded, sound two blasts on the horn,
release the brakes and shift the transmission
to drive (D). Move out of the loading area
and onto the haul road with the least possible
delay to allow any waiting truck to move into
the loading position as soon as possible(refer
to g.5-7).
5.3 Hauling
While travelling the haul road, always maintain
a safe speed for the haul road conditions and
grades. Never allow the machine to move or
coast with the transmission in 'NEUTRAL'!
When approaching downgrades, select
the proper transmission range and use the
retarder and service brakes as required to
maintain safe descent speed without over-
speeding the engine or gaining excess travel
speed. Generally, the transmission range
required for ascending is also correct for
descending a grade(refer to g.5-8).
Always remain a safe distance behind the
machine ahead, particularly on downgrades.
A good rule-of-thumb to follow is to allow two
(2) truck-lengths between machines for each
15 km/h (10 mile/h) of travel speed under
normal operating conditions. Under adverse
conditions, allow more room for safe operation.
On jobs on which minimum distance between
machines is specified for the haul road, be
sure to observe the regulations at all times.
Such regulations would be established for the
safety of everyone on the job(refer to g.5-10).
Pay attention to haul road conditions to
avoid rocks, holes, or other obstacles. Such
obstacles not only present hazards to safe
Fig. 5-6
Fig. 5-7
Fig.5-8
Take care of other
trucks
Working the Truck
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