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http://www.ultralightnews.ca/ Page 28 of 39
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7.4Fuel Injector Maintenance/Service intervals
The injection system is, except for the disciple components, maintenance free. The following maintenance
work should be exercised.
No. Description Interval
After installation Then every
(hours)
(hours)
1510 25
1Check fuel system for damaged lines
XXXX25h
2Check electrical wiring for damage
XXXX25h
3Check the condition and function of the throttle cable
Each startup
4Check the throttle cable for damage and lubricate
XX
X50h
5Clean air cleaner or replace if necessary
X25h
6Check fuel filter for contaminants and replace if necessary
before replacement interval (change fuel filters together)
X
50h
7Check screws and nuts on the fuel pump, TBI, airfilter, cable XXXX50h
fastenings etc
The following parts must be replaced
No. Description Replacement interval
1Inlet fuel filter
All 200h
2Outlet Fuel Filter
All 200h
3Air Filter
All 250h
4Fuel Pump
2000h
5Injector valves
All 2000h
Long-term inspections
Inspection Rate 25 h 100 h 500 h
Cooling
Check cooling flow paths are free and clean
X
X
X
Check air guiding plates for deterioration and tears
X
X
X
Check fan belts for deterioration and damage
X
TBI
Clean the air filters
X
X
X
Check the throttle synchronisation
X
X
X
Fuel system 25 h 100 h 500h
Clean the fuel filters
X
X
X
Check fuel lines and ?connections
X
X
X
Ignition
Clean the spark plugs
X
X
X
Check the sparkplug air gaps
X
X
X
Exhaust system
Check for firm fitting and deterioration
X
X
X
Check outlet ports for carbonisation
X
X
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