Controls - 38 JT1220 Mach 1 Operator’s Manual
Gauge Cluster
CMW
2. Tachometer/Hourmeter Displays engine rpm.
Displays engine operating
time.
Full load reading should be 2200 rpm.
Use these times to schedule service.
3. Engine coolant
temperature gauge
Displays engine coolant
temperature.
Normal coolant temperature is
190°-212° F (88°-100° C).
4. Engine oil pressure
gauge
Displays engine oil pressure. Full load reading should be 35-65 psi
(2.4-4.5 bar).
At idle, reading should not drop below
12 psi (0.8 bar).
5. Fuel gauge Displays fuel level in tank. Use only #2 diesel fuel.
Refer to engine operator’s manual for
cold weather fuel recommendations.
Tank holds 19 gal (72 L).
Item Description Notes
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