Briggs & Stratton 420000 - Manual (Page 14)

Document: - page 14 (Black)
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14
MAINTENANCE
CLEANING DEBRIS
CAUTION: Do not use water to clean engine parts.
Water could contaminate fuel system. Use a brush
or dry cloth.
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 combustible
debris.
Engine parts should be kept
clean to reduce the risk of
overheating and ignition of accu-
mulated debris. This is especial-
ly important if cutting tall grass.
WARNING
Debris Guard or Rotating Screen
DEBRIS
GUARD
ROTATING
SCREEN
Linkage, Springs and Controls
CLEAN
Muffler and Spark Arrester
CLEAN
SPARK
ARRESTER
(IF EQUIPPED)
ADJUSTMENTS
CONTROL ADJUSTMENTS
WARNING
Prevent unintentional starting.
Before performing adjustments:
• Remove spark plug wire from spark plug.
• Disconnect battery at negative terminal (only
engines with electric start).
TO ADJUST REMOTE CHOKE CONTROL
[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
until choke is completely closed.
[5] Tighten casing clamp screw. Replace air cleaner.
CHOKE
CLOSED
CASING
CLAMP
SCREW
CHOKE
LEVER