Wacker Neuson PG 3A, Operator'S Manual

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Maintenance PG 2A / 3A
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5.6 Spark Plug
Clean or replace spark plug as needed to ensure proper operation.
Refer to the engine owner’s manual.
Recommended Plug: (NGK) BPR 6ES
The muffler becomes very hot during operation and remains hot for a
while after stopping the engine. Do not touch the muffler while it is hot.
5.6.1 Remove spark plug and inspect it.
5.6.2 Replace plug if the insulator is cracked or chipped.
5.6.3 Clean spark plug electrodes with a wire brush.
5.6.4 Set gap (a) to 0.7-0.8 mm (0.028–0.031 in).
5.6.5 Tighten spark plug securely.
NOTICE : A loose spark plug can become very hot and may cause
engine damage.
WARNING