Lube Oil Filter; Servicing Low Oil Pressure Switch; Engine Speed; Replacing The Engine Speed Sensor - Carrier RG2059 Series Operation And Service

5. Run engine to operating temperature. Drain system again and fill with treated water/anti-freeze. (See above
Caution note and refer to
5.5.6

Lube Oil Filter

The oil filter is located near the radiator fan (see
1. After warming up the engine, stop engine, remove drain plug from oil reservoir and drain engine lube oil.
2. Replace filters. Lightly oil gasket on filter before installing.
3. Add lube oil (Refer to
4. Warm up engine and check for leaks.
5.5.7

Servicing Low Oil Pressure Switch

1. Remove harness connection from low oil pressure switch (LOP).
2. Remove pressure switch from engine.
3. Apply Teflon thread sealer to threads of new low oil pressure switch.
4. Install new low oil pressure switch.
5. Reconnect harness connection to low oil pressure switch.
5.5.8

Engine Speed

The engine speed is electronically controlled.
5.5.9

Replacing the Engine Speed Sensor

1. Disconnect the plug to the sensor.
2. Remove the bolt securing the sensor to the housing.
3. Remove the sensor from the housing.
4. Clean the recess in the housing to ensure that the sensor seats properly when re-installed.
5. Re-install the sensor, replace the securing bolt and connect the plug to the sensor.
5.5.10

Servicing Poly V-belt

A frayed, cracked or worn poly V-belt must be replaced. After installing a new belt, check the
adjustment after running the unit for three or four hours. This will allow for the initial stretch,
which is common on new belts. Once this initial stretch has taken place, the belt should be
checked at regular intervals.
Section 2.11.)
Figure
Section 2.3.4).
Do not attempt to adjust engine speed.
!
Beware of moving poly V-belt and belt driven components.
!
Beware of pinch points.
2.5).
WARNING
WARNING
5–5 T-361