Yanmar 2TNV70, Operation Manual

Page: 74 / 142

ENGINE OPERATION
56
TNV Operation Manual
1. While the engine is running, check the
gauges for normal indications. The gauges
shown in
Figure 4 and Figure 5 are provided
for illustrative purposes only.
Figure 4
Figure 5
• Tachometer - (Figure 4, (1)) or
(Figure 5, (1)) Make sure the engine speed
is within normal limits. See Engine Speed
Specifications on page 106 .
• Engine Oil Pressure - (Figure 4, (2)) or
(Figure 5, (3)) Make sure the engine oil
pressure is within normal limits. See Normal
Oil Pressure specifications for your specific
engine in the Principal Engine Specifications
in the rear of this Operation Manual.
• Engine Coolant Temperature -
(Figure 4, (3)) or (Figure 5, (2)) Make sure
the engine coolant temperature is within
normal limits.
• Hour Meter - The hour meter display
(Figure 4, (4)) or (Figure 5, (4)) shows the
total number of hours the engine has run.
This is useful for planning periodic
maintenance operations.
See Periodic
Maintenance Schedule on page 73 .
• If any of the gauges show an out of normal
limits condition, shut down the engine and
have the necessary repairs performed.
2. After the engine has reached operating
temperature, all of the indicators
(Figure 4, (5)) or (Figure 5, (5)) should be
Off. If any of the indicators are On, shut down
the engine and have the necessary repairs
performed.
10
20
20
40
100
180
220
250
60
80
0
30
40 0
x100
RPM
VDO
VDO
PSI
F
C
0
1
2 3
4
5
bar
80 100
120 0
AUX
MC-704HP-G4
(1)
(3)
(4)
(2)
(5)
0000024C
(4)
(1)
(2)
(3)
0000023B
(5)