7-7
HGJAA, HGJAB, HGJAD, HGJAE Mufflers
Always install new flange gaskets when reinstalling
a muffler and torque the flange nuts to 10 lb-ft
(13 N-m).
The muffler (Figure 7-5) is mounted inside the gen-
set enclosure. It is USDA approved as a spark ar-
resting muffler and meets RVIA EA-1 construction
requirements. The Model HGJAB muffler has the
same inlet and outlet flange locations but has only
one drum.
See Exhaust Tail Pipe in this section regarding ma-
terials, clamps, support, routing and termination of
the tailpipe.
MUFFLER INLET
FLANGE AND
GASKET
MUFFLER OUTLET
FLANGE, GASKET
AND TAIL PIECE
HEAT
SHIELD
FIGURE 7-5. MODEL HGJAA, HGJAB, HGJAD, HGJAE MUFFLER
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