Maintenance Schedule Continued
CHECK POINT
Carburetor Section
Check air filter indicator
Check for air leaks in the filter
system
Inspect air/fuel valve mixer
assembly
Inspect air/fuel mixer assembly
throat
Check for vacuum leaks in the
intake system including manifold
adapter and mixer to throttle
adapter
Inspect throttle assembly
Inspect air filter
Replace air filter element
Check TMAP sensor for tightness
and leaks
Exhaust & Emission Section
Inspect engine for exhaust leaks
Replace Oxygen Sensor
Replace PCV Valve and breather
element
Tier
G420E/G424E
Daily
X
X
LP Engine
Interval Hours
Every
Every
250hrs or
500hrs or
a month
3 months
6 months
X
X
36
Every
Every
1000
1500
Hours or
Hours or
9 months
15 months
X
X
X
X
Maintenance Schedule
Every
Every
2600
4500
Hours or
Hours or
2 years
X
X
X
X