64
PH3300i SM, Rev. 2017-01-20
5.11 Muffler Removal / Replacement
Muffler removal and installation must be performed with the engine cold.
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Drain all gasoline from the fuel tank before disassembly.
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Keep the unit away from all heat, flame and sparks.
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1. Remove the maintenance door and disconnect the battery.
2. Disconnect the manual choke cable from the carburetor by loosening the screws shown in (Fig.
32) of (section 5.1.1). It is not necessary to completely remove the screws.
3. Remove the control panel, carefully allowing it to hang out of the way.
4. Disconnect the fuel hoses from the fuel valve, plug them if necessary.
5. Remove the front lift handle, and then the six front cover screws. Remove the front cover.
Carefully maneuver the control panel back through the control panel hole in the front cover.
6. Remove the rear end panel, the side panels, and the top cover, reference the Outer Generator
Housing exploded view in (section 5.3).
7. Remove upper frame, with fuel tank, as one assembly (Fig. 74).
8. Remove the muffler cover bolts and remove the muffler cover (Fig. 75).
9. Remove the muffler bolts. Carefully note the placement of the various length bolts and spacers
during removal for reassembly (Fig. 76).
10. Remove the muffler. This gains access to secondary air valve and exhaust fan (Fig. 77).
Muffler
Cover Bolts
Gasket
Long
Spacer
Short
Spacer
M8x170
M8x150
M8x80
M8x90
Upper Frame and Gas Tank
Secondary
Air Valve
Exhaust Fan
Fig. 74
Fig. 75
Fig. 76
Fig. 77