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MAINTENANCE
G430 Engine requires a certain amount of maintenance.
Suggested maintenance requirements are contained
in this section.
The owner should, however, develop his own main-
tenance schedule using the requirements listed in this
Section and any other necessary requirements
resulting from optional additions to the engine system.
Test fuel system for leaks
• Obtain a pump spray bottle.
• Fill with an approved leak test solution or a mixture
of water and dish soap.
• Spray a generous amount of the solution on the
entire fuel system including the fuel storage
container and fuel lines.
• Wait approximately 15-60 seconds then perform a
visual inspection of entire fuel system.
• Leaks will cause the soapysolution to bubble.
• Repair any leaks before continuing.
• Crank the engine throug several revolutions.
This will energize the fuel lock and allow fuel to flow
to the pressure regulator/vaporizer. Apply additional
leak test solution to this portion of the fuel system
and inspect as above.
• Repair any fuel leaks before continuing.
Inspect engine for fluid leaks
• Start engine and bring up to operating temperature.
• Turn engine off.
• Inspect entire engine for oil and/or coolant leaks.
• Repair any/all leaks before continuing.
Engine Crankcase Oil
Oil Recommendations
Prior to changing oil, select an oil based on the
prevailing daytime temperature in the area in which
the engine is operated. The chart in figure 2-1 is a
guide to selecting the proper crankcase oil. Refer
also to Lubrication System Section for additional
information.
IMPORTANT : Oils containing “solid” additives,
non-detergent oils, or low-quality oils are not
recommended for use in G430 Engine.
Figure 2-1 Engine Oil Viscosity Recommendation
Synthetic Oils
Synthetic engine oils are not recommended for use in
G430 Engine. Synthetics may offer advantages in
cold-temperature pumpability and high-temperature
oxidation resistance.
However, synthetic oils have not proven to provide
operational or economic benefits over conventional
petroleum-based oils in G430 Engine. Their use does
not permit the extension of oil change intervals.
LP Engine G430(3.0L) Maintenance
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