Yanmar 2TNV70, Operation Manual

Page: 30 / 142

SAFETY
12
TNV Operation Manual
CAUTION
0000011en
New Engine Break In:
• On the initial engine start-up, allow the
engine to idle for approximately 15
minutes while you check for proper
engine oil pressure, diesel fuel leaks,
engine oil leaks, coolant leaks, and for
proper operation of the indicators
and / or gauges.
• During the first hour of operation, vary
the engine speed and load on the
engine. Short periods of maximum
engine speed and load are desirable.
Avoid prolonged operation at
minimum or maximum engine speeds
and loads for the next 4 to 5 hours.
• During the break-in period, carefully
observe the engine oil pressure and
engine temperature.
• During the break-in period, check the
engine oil and coolant levels
frequently.
CAUTION
0000012en
NEVER engage the starter motor while
the engine is running. This may damage
the starter motor pinion and / or ring
gear.
CAUTION
0000044enTNVIDI-DIOM
• NEVER attempt to modify the engine’s
design or safety features such as
defeating the engine speed limit
control or the fuel injection quantity
control.
• Failure to comply may impair the
engine’s safety and performance
characteristics and shorten the
engine’s life. Any alterations to this
engine may affect the warranty
coverage of your engine.
See Yanmar
Limited Warranty on page v.
CAUTION
0000014en
Protect the air cleaner, turbocharger (if
equipped) and electric components
from damage when you use steam or
use high-pressure water to clean the
engine.
CAUTION
0000016en
NEVER use high pressure water or
compressed air at greater than 28 psi or
a wire brush to clean the radiator fins.
Radiator fins damage easily.
CAUTION
0000017en
NEVER attempt to adjust the low or high
idle speed limit screw. This may impair
the safety and performance of the
machine and shorten its life. If the idle
speed limit screws require adjustment,
see your authorized Yanmar industrial
engine dealer or distributor.
CAUTION
0000023enTNVIDI-DIOM
The tightening torque in the Standard
Torque Chart
(page 72) should be
applied only to the bolts with a “7” head.
(JIS strength classification: 7T)
• Apply 60% torque to
bolts that are not listed.
• Apply 80% torque when
tightened to aluminum alloy.
CAUTION
0000028en
If any indicator fails to illuminate when
the key switch is in the ON position, see
your authorized Yanmar industrial
engine dealer or distributor for service
before operating the engine.