GE A4021 - Manual (Page 14)

CLEAN AIR INTAKE SCREEN
Clean all foreign
(Figure 10) at Tease once every 100 hours of opera­
tion. Clean more often if necessary.
Inspect the area around the generator exhaust muffler
periodically and remove all grass, leaves, dirt, etc.
from this area.
Figure 10 — Areas to Clean on Air Intake Screen
• Wrap foam pre-cleaner in a cloth and squeeze dry.
• Saturate foam pre-cleaner in engine oil. Squeeze to
remove excess oil and to distrubute oil.
• Install foam pre-cleaner into cover, followed by paper filter.
Tabs at edges of paper filter must lock into slots on cover.
• Insert bottom locking tab of cover into slot. Install cover,
foam pre-cleaner and paper filter.
ENGINE SPARK PLUG
Clean engine spark plug and set gap to 0.030 inch
(0.76mm) every 100 hours of operation (Figure 12).
Clean by scraping or wire brushing and wasning with
commercial solvent. DO NOT BLAST CLEAN SPARK
PLUG.
CAUTION: Sparking can occur if wire terminal
does not fit firmly over spark plug terminal end. If
necessary, reform wire terminal to obtain a tight fit.
Figure 12 — Setting Spark Plug Gap
ENGINE AIR CLEANER
Clean and re-oil the foam pre-cleaner every three
months or every 25 hours of operation, whichever
occurs first. Sen/ice the foam pre-cleaner more fre­
quently if you operate the generator in extremely
dusty or dirty conditions (Figure 11).
• Turn KNOB counterclockwise to loosen.
• Remove COVER, FOAM PRE-CLEANER AND PAPER
FILTER.
• Remove foam pre-cleaner from cover.
• Wash foam pre-cleaner in liquid detergent and water.
Fig ure 11 — Engine Air Cleaner
FOAM
PRE-CLEANER COVER
PAPER
FILTER
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