WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM Weichai America Corp. 11.4 Assembly and disassembly of crank-rod mechanism. 11.4.1 Exploded view of crank-rod mechanism. Fig. 11-5 Exploded view of crank-rod mechanism 11.4.2 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.
11.4.3 Steps to assemble crank-rod mechanism Assembling steps are contrary to disassembling ones. 11.5 Assembly and disassembly of piston-rod assembly 11.5.1 Exploded view of piston-rod assembly Revision: August 2019 61 GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM