SDLG WP6, Руководство по обслуживанию

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Service Manual for WP6 Diesel Engine
55
34 Crank-Rod Mechanism
341 Disassembly and Assembly of Crank-Rod Mechanism
3411 Exploded View of Crank-Rod Mechanism
Piston-rod
assembly
Crankshaft timing gear
Crankshaft
Hub
Hub fastening bolt
Main bearing
Crankshaft pulley
Torque vibration damper
Torque vibration damper
fastening bolt
Flywheel
Flywheel bolt
Flywheel ring gear
Fig. 3-25 Exploded view of crank-rod mechanism
3412 Steps to Disassemble Crank-Rod Mechanism
(1) Check before disassembling. Check connecting rod axial backlash, check tightening torque of
connecting rod bolts; Tilt and lay the engine on its side, rotate the flywheel until the to-be
removed piston is in BDC, remove connecting rod bolts and cap; Rotate the flywheel until the
to-be removed piston is in TDC, knock the piston out with wooden hammer, proceed with
caution to avoid jamming cylinder block with connecting rod tip. Remover other pistons in the
same way, number and place them orderly.
(2) Screw off fastening bolts of torque vibration damper and fastening bolts of hub, take down
crankshaft pulley, torque vibration damper and hub.
(3) Screw off flywheel bolts, take down flywheel assembly, bearing, etc.
3413 Steps to Assemble Crank-Rod Mechanism
Assembling steps are contrary to disassembling ones.