3A-30 90-13645--2 495FUEL SYSTEM AND CARBURETION
Maintenance
Periodically check fuel line and primer bulb for cracks,
breaks, restrictions or chafing. Check all fuel line con-
nections for tightness. All fuel line connections must
be clamped securely.
Primer bulb assembly has 2 check valves: Fuel inlet
(toward tank) and a fuel outlet (toward engine).
The fuel inlet valve allows fuel to fill primer bulb but
closes to prevent fuel from returning to tank when
bulb is squeezed. The fuel outlet valve opens when
primer bulb is squeezed to allow fuel flow to carbure-
tor, but closes as bulb is released to prevent fuel from
returning to primer bulb.
FUEL LINE CLAMP REMOVAL AND INSTALLATION
1. To remove fuel line clamps, grip clamp with pliers
and bend overlapping hook backwards.
51115
Removing Fuel Line Clamps
2. To install fuel line clamps, grip hose clamp with
pliers and push down on hook with screwdriver
until hooks interlock.
51115
Installing Fuel Line Clamps
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