lab #7 reassembly. get check off sheet before you start, make sure you get a reassembly packet from...

13
LAB #7 Reassembly

Upload: adele-carson

Post on 20-Jan-2016

216 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

LAB #7

Reassembly

Page 2: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

Get Check Off Sheet

• Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work and sign the form, you will have to start over.

Page 3: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

Piston

• Rotate the piston rings so that the ring gaps are 120 degrees apart and not aligned.

• Have instructor check.

Page 4: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

Install the Piston

• Oil the wall of the cylinder, if not the piston could seize, you would be replacing the engine housing, rings, piston, connecting rod. $$$$$

• Get a ring compressor and compress the rings on the piston, then insert the piston into the engine block.

Page 5: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

Piston

• Rotate the piston so it is in the correct position.

Page 6: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

Install Crankshaft

• Put a lot of oil on the journal, if you do not, the engine could seize and you will be replacing the crankshaft and the connecting rod. $100.

• Install the crankshaft into the block.

Page 7: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

Piston Rod Cap

• Rotate the crankshaft so access to the rod cap can be gained to install the rod cap.

• Finger tighten both bolts.• Using a 10mm socket snug the bolts.• Using a torque wrench torque the bolts to 100

inch pounds. No more or no less. Engine failure if you do.

Page 8: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

Tappets

• Insert the tappets back into the engine block.

Page 9: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

Camshaft Replacement

• Insert the camshaft back into the block. Make sure the timing marks on the camshaft align with the timing marks on the crankshaft.

Page 10: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

Crankcase Cover

• Make sure the metal gasket from the crankcase is reinstalled on the crankshaft before putting the cover on.

• Make sure gasket on the crankcase cover is good, gently replace the cover onto the engine block.

Page 11: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

Crankcase Cover

• Finger tighten the six crankcase cover bolts• Using the star pattern method snug the six

bolts with a socket.• Again, using the star pattern, torque each bolt

to 110 inch pounds.

Page 12: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

Rotate Piston

• Before you move on. Rotate the piston, to make sure everything moves as it should.

Page 13: LAB #7 Reassembly. Get Check Off Sheet Before you start, make sure you get a reassembly packet from Mrs. Winegar. If you do not have her check your work

Install Flywheel Brake• Finger Tighten the two bolts holding the brake to the block.• Using a 10mm socket install the two bolts that connect the

flywheel brake. Note the two spacers that hold the flywheel brake up off the engine block.

• Torque to 100 inch pounds.