JCB-E460P
Instruction & User Manual
19
Maintenance - Spark Plug
> Firstly remove the Spark plug cap. This is a push/pull fit.
> Using a suitable spark plug wrench, loosen the spark plug and remove it.
> Inspect the sparkplug. Replace if your inspection finds:
1. Visible Damage
2. Badly fouled with Oil/Carbon
3. Washer health is compromised
> Using a feeler gauge, check the gap of the spark electrode. The gap should be with these tolerances
0.7-0.8 mm (0.026-0.031 inch).
> Reinstall the sparkplug, firstly winding it by hand, this is to avoid cross threading.
> After properly seated, fully tighten using spark plug wrench.
> When the washer has started to compress tighten to the following instruction:
1. New Sparkplug – a 1/2 Turn tight
2. Re-used Spark Plug – a 1/8 to 1/4 Turn tight
Recommended Spark Plugs – F7TC/F7TRC
This variation of spark plug is recommended for normal engine running conditions and temperatures.
Incorrect specifications of sparkplug can cause damage to your machine. Ensure any sparkplug is
correctly gapped and free of any deposits
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