Branson 6640C Operator's Manual page 133

PERIODIC MAINTENANCE & ADJUSTMENT
DRAINING WATER IN FUEL FILTER
Water separator is located below fuel filter.
1) Loosed drain screw
2) Retighten screw as soon as water and sediment
deposits have drained out.
6640C OPERATORS MANUAL (012612).indd 133
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1/30/2012 2:31:06 PM