1 Engine Mechanical Labs R. Bortignon. 2 Repair Information – essential! locate model number!

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Presentation transcript:

1 Engine Mechanical Labs R. Bortignon

2 Repair Information – essential! locate model number!

Horizontal or Vertical? 3

4 Valve Removal spring compressors need to be used to compress spring so keeper can be removedspring compressors need to be used to compress spring so keeper can be removed

5 Crankcase Cover Removal – Large Diameter Seal

6 Valve Timing Marks

7 Connecting Rod Alignment Marks

8Plastigage used to measure oil clearanceused to measure oil clearance  too little?  too much?

9 Piston Ring Compressor used to install piston back into the cylinderused to install piston back into the cylinder

10 ensure that ring compressor remains flush with engine block while piston is being installedensure that ring compressor remains flush with engine block while piston is being installed

11 Ignition System - Breaker Points & Spark Plugs breaker points & spark plugs need to be adjusted very carefullybreaker points & spark plugs need to be adjusted very carefully

12 Coil-to-Flywheel Air Gap use a brass feeler gauge…use a brass feeler gauge…

13 Flywheel Keys

14 Valve Clearance clearance between tip of the valve stem and the follower or rocker armclearance between tip of the valve stem and the follower or rocker arm must be checked with valve completely closedmust be checked with valve completely closed

15 Organization of work area...

(Dis)organization of work area... 16