SRT55D Off-Highway Truck
4-13
Safety, Operation and Maintenance Manual
4 . 9 E m e r g e n c y B r a k e
Performance Check
Following the methods and sequence at below
for checking in sequence :
1. Depress the service brake pedal;
2. Release emergency brake;
3. Select 1st gear on the transmission shift
selector;
4. Apply emergency brake;
5. Release service brake pedal;
6. Depress the accelerator pedal,
Inspection,the machine should not move
before engine speed increased to 1350 r/min.
Then, decelerate the engine and select 1st
gear on the transmission shift selector.
Caution:
1. Brake holding effort required to hold a
machine static at a specific engine speed,
can vary from machine to machine due to
differences in engine performance, power train
efciency, etc., as well as differences in brake
holding ability.
2. As an indication of system deterioration,
the engine speed at which point the machine
moved, with the service or emergency brakes
applied, can be compared against the engine
speed your machine was able to hold to on a
previous check.
4.10 Driving and Stopping
Before driving off observe all instruments and
warning lights. All instruments should operate
in their normal range and all warning lights
should be out except possibly the Direction
Indicator and Headlight Main Beam warning
lights.
Make sure the area around the machine is
clear of personnel and obstructions before
driving off.
In the first few minutes of travel, check
carefully for the required steering, braking,
Fig. 4.21
Operating the Truck
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