Oil Temperature And Oil Pressure Switches - Deutz Models - Genie GS-3390 Service Manual

July 2007
REV D
4-4
Oil Temperature and
Oil Pressure Switches -
Deutz Models
The engine oil temperature switch is a normally
open switch. The switch contacts close at
approximately 300 o F / 149
temperature rises above the switch point, the
switch contacts close and the engine will shut off to
prevent damage. The engine will not start until the
temperature drops below the switch point.
The engine oil pressure switch is a normally closed
switch. The switch contacts open at approximately
7 psi / 0.48 bar. If the oil pressure drops below the
switch point, the switch opens and the engine will
shut off to prevent damage.
How to
Install the Oil Temperature and
Oil Pressure Switches
Note: Perform this procedure with the engine off.
1 Release the latches on the engine tray and fully
slide the engine tray out.
2 Insert a 6 inch / 15 cm screwdriver or rod into
the engine tray lock hole located near the
engine tray roller wheels to prevent the engine
tray from moving.
Part No. 72863
o C. If the oil
GS-3390 • GS-4390 • GS-5390
Section 4 • Repair Procedures
3 Oil temperature switch: Remove the
fasteners from the engine side cover and
remove the cover.
Oil pressure switch: Locate the oil pressure
switch near the oil filter.
4 Tag and disconnect the wiring from the switch.
Remove the switch from the engine.
Burn hazard. Contact with hot
engine fluids or components may
cause severe burns.
5 Install and tighten the new switch. Torque to
specification.
Note: Always use pipe thread sealant when
installing a switch.
6 Connect the wires to the new switch.
7 Oil temperature switch: Install the engine side
cover.
Oil temperature switch specifications
Torque
Hex size
Temperature switch point
Oil pressure switch specifications
Torque
Hex size
Oil pressure switch point
ENGINES
8-10 ft-lbs
11-14 Nm
1
1 / inches
16
300°F
149°C
8-10 ft-lbs
11-14 Nm
1
1 / inches
16
7 psi
0.48 bar
4 - 57