Servicing The Air Filter Assembly; Servicing The Muffler; Servicing The Spark Plugs - Briggs & Stratton 2691184-00 Operator's Manual

Servicing the Air Filter Assembly

WARNING
Fuel and its vapors are extremely flammable and
explosive.
Fire or explosion can cause severe burns or
death.
• N ever start or run the engine with the air cleaner
assembly or air filter removed.
NOTICE: Do not use pressurized air or solvents to clean the
filter. Pressurized air can damage the filter and solvents will
dissolve the filter.
1. Unscrew and remove cover (A, Figure 11).
2. Remove air filter assembly (B) and disassemble.
3. Clean up any possible debris that might get into the
carburetor throat (C).
NOTE: Replace pre-cleaner/cartridge when dirty or
damaged.
B
Pre-Cleaner Cleaning
1. Wash in soapy water with liquid detergent.
2. Squeeze dry in clean cloth.
Cartridge Cleaning
Tap gently on flat surface to remove light debris. Do not
attempt to clean cartridge.
22
A
C
Figure 11

Servicing the Muffler

WARNING
Running engine produces heat. Engine parts,
especially muffler, become extremely hot.
Severe thermal burns can occur on contact.
Combustible debris, such as leaves, grass, brush,
etc. can catch fire.
• A llow muffler, engine cylinder and fins to cool before
touching.
• Remove visible debris from engine compartment.
WARNING
Replacement parts must be the same position as
the original parts or fire could result.
To service the muffler, see an authorized dealer.

Servicing the Spark Plugs

WARNING
Unintentional sparking can result in fire or electric
shock.
Unintentional start-up can result in entanglement,
traumatic amputation, or laceration.
When testing for spark:
• Use approved spark plug tester.
• Do not check for spark with spark plug removed.
CAUTION: Spark plugs have different heat ranges. It is
important that the correct spark plug is used, otherwise,
engine damage can occur.
Clean Spark Plug
Clean with wire brush and sturdy knife. Do NOT use
abrasives (see Figure 12).