
-188-
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Maintenance Section
Maintenance Section
Inspect Coolant Hoses
Inspect Coolant Hoses
(LP, Dual Fuel Engine Only)
(LP, Dual Fuel Engine Only)
1.
1.
Visually inspect coolant hoses and clamps.
Visually inspect coolant hoses and clamps.
Remember to check the two coolant lines that
Remember to check the two coolant lines that
connect to the p
connect to the pressure regulator/converter.
ressure regulator/converter.
2.
2.
Replace any hoses that s
Replace any hoses that shows signs of swelling,
hows signs of swelling,
cracking, abrasion or deterioration.
cracking, abrasion or deterioration.
(1) LP Regulator/Converter
(1) LP Regulator/Converter
(2) Coolant hoses
(2) Coolant hoses
LP Regulator/Converter
LP Regulator/Converter
Inspection (LP, Dual Fuel Engine
Inspection (LP, Dual Fuel Engine
Only)
Only)
1.
1.
Visually
inspect
the
pressure
Visually
inspect
the
pressure
regulator/converter housing for coolant leaks.
regulator/converter housing for coolant leaks.
Refer to the pressure regulator/converter
Refer to the pressure regulator/converter
section of the service manual if maintenance is
section of the service manual if maintenance is
required.
required.
NOTE:
NOTE:
For pressure testing and internal inspection
For pressure testing and internal inspection
of the p
of the pressure regulator/converter, refer to
ressure regulator/converter, refer to
the pressure regulator/converter section of
the pressure regulator/converter section of
the service manual.
the service manual.
Fuel Lines & Fittings - Check
Fuel Lines & Fittings - Check
Visually inspect fuel lines and fittings for physical
Visually inspect fuel lines and fittings for physical
damage. Replace as re
damage. Replace as required.
quired.
(1) Fuel lines
(1) Fuel lines
(2) LP mixer
(2) LP mixer
(3) Throttle Assembly
(3) Throttle Assembly
Inspect Mixer Assembly
Inspect Mixer Assembly
(G420F(E)/G424F(E) Engine Only)
(G420F(E)/G424F(E) Engine Only)
Refer to the LP mixer section of the engine service
Refer to the LP mixer section of the engine service
manual for procedures.
manual for procedures.
Inspect Throttle Assembly
Inspect Throttle Assembly
(G420F(E)/G424F(E) Engine Only)
(G420F(E)/G424F(E) Engine Only)
1.
1.
Visually inspect the throttle assembly motor
Visually inspect the throttle assembly motor
housing for coking, cracks and missing
housing for coking, cracks and missing
cover-retaining clips. Repair and/or replace as
cover-retaining clips. Repair and/or replace as
necessary.
necessary.
NOTE:
NOTE:
Refer to the LP mixer and throttle section of
Refer to the LP mixer and throttle section of
the service manual for procedures on
the service manual for procedures on
removing the mixer and inspecting the
removing the mixer and inspecting the
throttle plate.
throttle plate.
1
1
2
2
1
1
2
2
3
3
Summary of Contents for G20E-5
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