98AB-5-0250 Tohatsu PIPE

Table 1
3618 Engine Alarm Systems    
Condition    Setpoint    Derating    
Lubrication System    
Low oil pressure (1)    
120 kPa (17 psi)     No    
Low oil pressure (2)    
320 kPa (46 psi)     No    
High crankcase pressure    
0.6 kPa (.09 psi)     Yes    
Oil filter differential pressure    
100 kPa (14.5 psi)     No    
High oil inlet temperature    
80 °C (176 °F)     No    
High turbocharger oil outlet temperature    
104 °C (219 °F)     No    
High main bearing temperature    
112 °C (234 °F)     Yes    
Excessive oil mist (3)     -     Yes (5)    
Malfunction of the oil mist detector (4)     -     No    
Metal particle detection (3)     -     No    
Low oil level     Open contacts     No    
Charge Air System    
Aftercooler outlet air temperature    
50 °C (122 °F)     No    
Aftercooler inlet air temperature    
280 °C (536 °F)     No    
Inlet air temperature for the turbocharger    
45 °C (113 °F)     Yes    
Speed of turbocharger     29500 rpm     Yes    
Sea water    
Low sea water pressure (1)    
30 kPa (4.3 psi)     No    
Low sea water pressure (2)    
140 kPa (20.3 psi)     No    
Cooling System    
Low jacket water pressure    
70 kPa (10.2 psi)     Yes    
Low aftercooler pressure and low oil cooler pressure    
70 kPa (10.2 psi)     Yes    
High jacket water outlet temperature    
97 °C (207 °F)     Yes    
High jacket water inlet temperature    
90 °C (194 °F)     Yes    
High aftercooler and oil cooler inlet water temperature    
40 °C (104 °F)     Yes    
High jacket water outlet temperature    
70 °C (158 °F)     No    
Low coolant level (3)     Switch     No    
Exhaust System    
High cylinder exhaust temperature    
550 °C (1022 °F)     No    
High turbocharger inlet temperature    
650 °C (1202 °F)     Yes    
High turbocharger outlet temperature    
550 °C (1022 °F)     No    
Individual cylinder exhaust temperature    
50 °C (90 °F)     No    
Fuel System    
High fuel temperature    
50 °C (122 °F)     No    
Low fuel pressure before the fuel filters (1)    
250 kPa (36.2 psi)     No    
Low fuel pressure before the fuel filters (2)    
450 kPa (65 psi)     No    
Low fuel pressure after the fuel filters    
260 kPa (38 psi)     No    
High fuel filter differential pressure    
70 kPa (10.2 psi)     No    
Starting Air System    
Low starting air supply pressure (3)    
1034 kPa (150 psi)     No    
( 1 ) This setpoint is for an engine that is operating at less than 788 rpm.
( 2 ) This setpoint is for an engine that is operating over 788 rpm.
( 3 ) See the Technical Manual that was supplied with the engine or consult a Caterpillar dealer for information about the setpoints.
( 5 ) A derating for excessive oil mist is the decision of the chief engineer and/or the captain.
( 4 ) For information on the oil mist detector, see Service Manual, RENR2225, "Oil Mist Detectors".