Paccar MX-13 Operator's Manual - page 28
Operating Instructions
Engine Operating Range
General Information
Engine Braking System
CAUTION
WARNING!
CAUTION
Operating the engine beyond the
maximum engine speed can cause
severe engine damage. Use proper
operating techniques for the vehicle
to prevent engine overspeed. The
maximum engine speed specifica-
tion is listed in the “General Engine
Specifications” on page 5-12. Fail-
ure to comply may result in equip-
ment or property damage.
Do not operate the engine compres-
sion brake when driving/operating
your vehicle bobtail or with a loaded
or unloaded trailer on road surfaces
with poor traction (wet, icy, or snow
covered roads) or in heavy traffic.
Braking caused by the normal op-
eration of the engine compression
brake could cause you to lose con-
trol of the vehicle resulting in an
injury accident. Failure to comply
may result in death, personal injury,
equipment or property damage.
Operating the engine at full throttle
below peak torque will shorten en-
gine life to overhaul, can cause seri-
ous engine damage, and is consid-
ered engine abuse. Do not operate
the engine at full throttle operation
below peak torque rpm for more than
30 seconds. Failure to comply may
result in equipment or property dam-
age.
3
PACCAR engines are designed to
operate at full throttle under momentary
conditions down to peak torque engine
speed. This is consistent with
recommended operating practices.
3-6