Isuzu Tilt Slide FYJ2000 Instruction Manual page 68

2-36
IMPORTANT INFORMATION
CAUTION
• Frequent use of the foot brakes can cause brake fade, resulting in reduced
brake effectiveness. Even so, use the foot brakes appropriately to prevent
engine overrun.
• Do not adjust the exhaust brake valve.
NOTE
[What is engine brake?]
• Engine brake is the braking effect that occurs when you release the accelerator
pedal while driving. The lower the gear, the stronger the engine brake.
[What is the exhaust brake?]
• The exhaust brake is a system that closes the exhaust pipe and uses the force
of the exhaust emissions to enhance the effectiveness of engine brake.
[What is brake fade?]
• Frequent use of the brakes can cause the brakes to overheat so that the
frictional force of the friction surface decreases and the brakes become less
effective than normal. This phenomenon is called brake fade.
[What is an engine overrun?]
• An engine overrun is an engine-speed increase that causes the tachometer
needle to enter the red zone.
Driving Down a Long Slope
When driving down a long slope, select
an appropriate gear to take advantage of
engine brake and use the exhaust brake
together with the foot brakes. Using the
exhaust brake and low-gear engine brake
reduces the workload on the foot brakes
and yields greater braking force.
Exhaust Brake Switch
→ Refer to page 4-60