Oil Pressure Switch (Workman MDX)
The oil pressure switch is located on the mounting
adapter for the oil filter.It is a normally closed switch that
opens with pressure.
4. If the light is still on, check for short circuiting in the
indicating circuit (see Electrical Schematic in Chapter 8
-- Electrical Diagrams).
Oil pressure switch testing
5. Refer to the Briggs and Stratton Repair Manual for 4
Cycle, V--Twin Cylinder, OHV Head Engines for addi-
tional testing information.
1.
Turn the ignition switch to ON. The oil indicator light
on the dash should be illuminated.
2.
pressureswitchandgroundthewiretotheengineblock.
If the light is not on, disconnect the wire from the oil
3.
4.
If the light comes on, the oil pressure switch is faulty.
If the light does not come on after step 2, check the
indicating circuit (see Electrical Schematic in Chapter 8
--
Electrical Diagrams).
1
2
If the oil indicator light comes on with the engine
running:
1.
2.
3.
Shut off the engine immediately.
Disconnect the wire from the oil pressure switch.
Figure 19
2. Generator belt
Turn the ignition switch to ON. The oil indicator light
1.
Oil pressure switch
should go out.
Audio Alarm (Reverse) (Optional)
If vehicle is equipped with the optional audio alarm,
whenever the shift lever is placed inthe reverse position
theaudioalarmshouldsound.Thealarmisattachedbe-
neath the cargo box to a bracket on the right side of the
frame.
4. Remove voltage source from the alarm. Replace
alarm if necessary. Connect wire harness connector to
alarm.
5.
Install electrical cover and lower cargo box.
Testing
4
1.
Make sure that ignition switch is off, remove key from
ignition switch and engage parking brake.
Place machine shift lever in the NEUTRAL position.
3
2.
cess to audio alarm by removing the electrical cover.
Raise cargo box and secure with prop rod. Gain ac-
1
2
IMPORTANT: Make sure to observe polarity on the
alarm terminals when testing. Damage to the alarm
may result from an improper connection.
Figure 20
3.
4.
1.
2.
Top view
Bottom view
Positive (+) terminal
Negative (--) terminal
3.
rectly connect 12VDC source to the terminals (Fig. 20).
Alarm should sound.
Disconnect wire harness connector from alarm. Cor-
Electrical System
Page 6 -- 16
Workman MD/MDX
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