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SUPPORT 3728354 - Caterpillar

3728354 SUPPORT Caterpillar parts SUPPORT
Alternative (cross code) number:
Caterpillar 3728354 SUPPORT
Weight: 1 pounds 0 kg.

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Number on catalog scheme: 2
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Low Oil Pressure
The following conditions will cause low oil pressure.
The oil level is low in the crankcase.
A restriction exists on the oil suction screen.
Connections in the oil lines are leaking.
The connecting rod or the main bearings are worn.
The rotors in the oil pump are worn.
The oil pressure relief valve is operating incorrectly.A worn oil pressure relief valve can allow oil to leak through the valve which lowers the oil pressure.The minimum oil pressure at a maximum engine speed of 2200 rpm and at normal operating temperature is 280 kPa (40 psi). A lower pressure is normal at low idle.A suitable pressure gauge can be used in order to test the pressure of the lubrication system.High Oil Pressure
High oil pressure can be caused by the following conditions.
The spring for the oil pressure relief valve is installed incorrectly.
The plunger for the oil pressure relief valve becomes jammed in the closed position.
Excessive sludge exists in the oil which makes the viscosity of the oil too high.

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