Genie Z-45 XC, Руководство по обслуживанию

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7 - 44 Genie Z-45/25 & Genie Z-45/25J Part No. 52709
First Edition • Second Printing Section 7 • Repair Procedures
8-3
Coolant Temperature and Oil
Pressure Gauges
The engine coolant temperature gauge is an
electrical gauge. The engine coolant temperature
sending unit has limit contacts that are factory set.
The contacts will close at approximately 221
o
F
(105
o
C). When the contacts close, the engine will
shut off to prevent damage and will not start until
the temperature drops below the contact point.
Engine coolant temperature will be indicated on the
gauge when the key is
ON
and the Emergency Stop
Button is pulled out to the
ON
position.
Component damage hazard.
Do not crank the engine with
the over-temperature light on.
The engine oil pressure gauge is an electrical
gauge. The engine oil presure sending unit has
limit contacts that are factory set. The contacts will
close at approximately 4.2 psi (0.3 bar). When the
contacts close, the engine will shut off to prevent
damage. Engine oil pressure will be indicated on
the gauge when the engine is running.
Component damage hazard.
Do not crank the engine with the
low oil pressure light on.
How to Remove the Coolant
Temperature and Oil Pressure
Gauge Sending Units
Perform this procedure with the
engine off.
1 Tag and disconnect the wiring from the desired
sending unit. Remove the sending unit from the
engine block.
2 Install the new sending unit. Do not over tighten.
3 Connect the wires to the new sending unit.
Burn hazard. Contact with hot
engine fluids or components may
result in severe burns.
Always use pipe thread sealant
when installing a sending unit.
Water temperature sending unit specifications
Torque 8-18 ft-lbs 11-24 Nm
Hex size
7
/
8
inch
Temperature switch point 221° F (105° C)
Oil pressure sending unit specifications
Torque 8-18 ft-lbs 11-24 Nm
Hex size
7
/
8
inch
Oil pressure switch point 4.2 psi 0.3 bar
PERKINS 104-22 ENGINE