Oil Pressure Switch - Toro 04384 Service Manual

Oil Pressure Switch

The engine oil pressure switch is located on the engine
near the alternator (Fig. 34). The oil pressure switch is
1
a normally closed switch that opens with pressure.
The oil pressure switch should open at approximately 7
PSI (48.3 kPa).
Testing
2
NOTE: Refer to Kubota Workshop Manual, Diesel En-
gine, 05--E3B Series for information regarding engine
lubrication system and testing.
1. Turn the ignition switch to the RUN position. The oil
pressure indicator light on the control panel should be
illuminated.
Figure 34
2. If the indicator light is not illuminated, open hood to
1. Alternator 2. Oil pressure switch
gain access to engine.
3. If the indicator light is not illuminated, locate oil pres-
sure switch on engine and disconnect the wire harness
connector from the switch.
4. With the ignition switch in the RUN position, ground
the disconnected wire to the engine block.
5. If the indicator light comes on, the oil pressure switch
is faulty. Replace oil pressure switch.
6. If the indicator light does not come on after step 5,
check the oil pressure indicator light and circuit wiring
(see Indicator Lights in this section).
7. After testing is completed, connect the wire harness
connector to the oil pressure switch.
Greensmaster 3250--D Electrical System
Page 5 - - 27