Cleaning Debris; Control Adjustments - Briggs & Stratton 400000 Series Operating & Maintenance Instructions

CLEANING DEBRIS

CAUTION: Do not use water to clean engine parts.
Water could contaminate fuel system. Use a brush
or dry cloth.
WARNING
tall grass. Daily or before every use, clean accumulated
debris from engine.
Keep linkage, springs and controls clean.
Keep area around and behind muffler free of any combus-
tible debris.
Keep muffler area clean and muffler in working order. Daily
or more often, before running engine, clean muffler area to
remove all grass and combustible debris. If engine muffler
is equipped with spark arrester screen, remove for cleaning
and inspection. Replace if damaged or plugged.

CONTROL ADJUSTMENTS

WARNING
Prevent unintentional starting.
Before performing adjustments:
• Remove spark plug wires from spark plugs.
• Disconnect battery at negative terminal (only
engines with electric start).
Engine parts should be kept
clean to reduce the risk of
overheating and ignition of
accumulated debris. This is
especially important if cutting
ROTATING SCREEN
Rotating Screen
Linkage, Springs and Controls
TO ADJUST REMOTE CHOKE CONTROL
CASING CLAMP SCREW
[1] Remove air cleaner.
[2] Move choke control to CHOKE or START position.
(Carburetor choke should be completely closed.)
[3] If not, loosen casing clamp screw.
[4] Then move casing, wire and engine choke lever in
direction shown until choke is completely closed.
[5] Tighten casing clamp screw. Replace air cleaner.
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MAINTENANCE
CLEAN
ADJUSTMENTS
PULL TO CHOKE
WIRE AND
CASING