WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM Weichai America Corp. 12.1.2 Steps to disassemble engine block: 1) Remove cylinder head bolt (key point 1) 2) Remove oil dipstick assembly. 3) Remove oil pipe plus screw and swivel nut 4) Remove cylinder liner (key point 2) 5) Remove camshaft bushing 12.1.3 Steps to assemble engine block assembly Assembling steps are contrary to disassembling ones. 12.1.4 Inspection and maintenance of engine block assembly Key point 1: Assembling Apply oil on connecting area and thread of cylinder head bolt, then tightening them as below: (1) Tightening by machine: a. Pre-tighten to 15N.m b. Tighten to 60N.m, c.
Turn 230°±4° (2) Tightening by torque spanner: Revision: August 2019 73 GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM 3 Cup pulg 13 Camshaft bushing 23 Stud 4 Camshaft bushing 14 Camshaft bushing 24 Cup plug 5 Cylinder liner 15 Pin 25 Dipstick 6 O seal ring 16 Plug 7 O seal ring 17 Stud 8 Seal plug 18 Pin 9 Cup plug 19 Stud 10 Rivet 20 washer