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Figure 23
1. Air cleaner cover
3. If foam element is dirty, remove it from paper
element (Figure 24). Clean thoroughly.
A. Wash foam element in a solution of liquid soap
and warm water. Squeeze to remove dirt, but do
not twist because the foam may tear.
B. Dry by wrapping in a clean rag. Squeeze rag and
foam element to dry, but do not twist because
the foam may tear.
C. Saturate element with clean engine oil. Squeeze
element to remove excess oil and to distribute oil
thoroughly. An oil damp element is desirable.
Figure 24
1. Foam element
2. Paper element
4. When servicing foam element, check condition of
paper element. Clean or replace every 100 hours or
as required.
5. Install foam element, paper element, and air cleaner
cover.
Important: Do not operate the engine without
the air cleaner element because extreme engine
wear and damage will likely result.
Replacing the Spark Plug
Service Interval: Every 100 hours
Use an NGK BPR 5ES spark plug or equivalent. Correct
air gap is 0.028-0.032 inch.
1. Pull molded wire off spark plug (Figure 25).
1. Spark plug wire
2. Clean around spark plug and remove plug from
cylinder head.
Important: Replace a cracked, fouled, or dirty
spark plug. Do not sand blast, scrape, or clean
electrodes because engine damaged could result
from grit entering the cylinder.
3. Set air gap at 0.028-0.032 inch (Figure 26). Install
correctly gapped spark plug and tighten firmly to
17 ft.-lb.
23
Figure 25
0.028−0.032 in.
G000448
Figure 26
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