Unit Award Scheme

74166 REMOVING, CHECKING, CLEANING AND REPLACING A SPARK PLUG

In successfully completing this unit, the Learner will have		Evidence needed
demonstrated the ability to
1	select a motor vehicle workshop area suitable to remove, clean and adjust or replace a spark plug on a motor vehicle	Summary sheet
2	collect various tools and equipment from the storage area including a socket set, wire brush, torque wrench, feeler gauge and technical data book	Summary sheet
3	obtain technical data for a spark plug gap	Student completed work
4	obtain data for torque loading	Student completed work
5	identify the type of spark plug	Student completed work
6	identify or mark the spark plug leads in their correct firing order	Student completed work
7	remove the spark plug high tension leads without damanging the insulation	Summary sheet
8	select the correct tools for removing the spark plug	Summary sheet
9	remove the spark plug without damage	Summary sheet
10	examine and verbally report on the spark plugs for condition or serviceability	Summary sheet
11	clean or replace the plugs as required	Summary sheet
12	check the electrode gap and adjust to the recommended gap	Summary sheet
13	refit the spark plugs	Student completed work
14	obtain the torque setting	Summary sheet
15	tighten to the required torque	Student completed work
16	refit the leads in the correct order	Summary sheet
17	run the engine to test or check operation	Summary sheet
18	return the tools and equipment to the storage area	Summary sheet
experienced
19	working safely in a workshop under close supervision.	Summary sheet

All outcomes recorded on an AQA Summary Sheet

Approved 9 November 2010Level - Entry Level