Unit Award Scheme

83790 REMOVING INSPECTING AND REFITTING PARTS OF AN ENGINE

In successfully completing this unit, the Learner will have		Evidence needed
demonstrated the ability to
1	select appropriate tools required for the job	Summary sheet
2	remove the rocker cover, the valve timing belt/chain and the cylinder head	Summary sheet
3	turn the engine upside down	Summary sheet
4	remove the sump, the big end bearing caps and bearings	Summary sheet
5	remove the pistons and store them in the correct sequence	Summary sheet
6	remove the crank shaft main journal caps	Summary sheet
7	remove the crank shaft from the cylinder block	Summary sheet
8	inspect all components for wear and tear in consultation with the tutor	Summary sheet
9	re-fit the crank shaft ensuring that the main journal caps are in the correct orientation and order	Summary sheet
10	consult the appropriate workshop manual to determine the correct torque setting and using a correctly set torque wrench torque the retaining bolts to the correct torque	Summary sheet
11	refit the pistons in the correct order using a piston ring compressor	Summary sheet
12	refit the big end bearings ensuring that the bearing caps are in the correct orientation and order	Summary sheet
13	consult the appropriate workshop manual to determine the correct torque setting and using a correctly set torque wrench torque bearing caps bolts to the correct torque	Summary sheet
14	check that the crankshaft turns smoothly by rotating it by hand	Summary sheet
15	refit the sump and torque to the correct setting	Summary sheet
16	turn the engine back up the correct way	Summary sheet
17	refit the cylinder head and consult the appropriate workshop manual to determine the correct torque setting	Summary sheet
18	use a torque wrench torque retaining bolts to the correct torque	Summary sheet
19	set the crank shaft and cam pulleys/sockets to their correct settings	Summary sheet
20	refit the valve timing belt/chain to their correct settings	Summary sheet
21	slowly turn the crank shaft ensuring that all the valves open and close in the correct sequence in consultation with the tutor	Summary sheet
22	refit the rocker cover and consult the appropriate workshop manual to determine the correct torque setting	Summary sheet
23	use a torque wrench torque retaining bolts to the correct torque	Summary sheet
experienced
24	watching a teacher demonstration of removing inspecting and refitting parts of a stand mounted engine	Summary sheet
25	using specialist hand and machine tools	Summary sheet
26	the health and safety aspects of this activity.	Summary sheet

All outcomes recorded on an AQA Summary Sheet

Approved 6 November 2007Level - Level One