WEICHAI WD10 Service Manual - page 100
Service Manual for WD10 Diesel Engine
90
(2) Exhaust pipe bolts should be applied with molybdenum disulfide, recommended tightening
torque for exhaust pipe fixing bolts is 65~80Nm. Exhaust pipe bolts cannot be reused more
than twice.
464 Disassembly, Inspection, Maintenance and Assembly of Turbocharger
System
4641 Exploded View of Turbocharger System
2-type all-metal hexagon nut
Stud
Turbocharger gasket
Lock nut
Turbocharger
Stud
Fig. 4-53 Exploded view of turbocharger system
4642 Steps to Disassemble Turbocharger System
Disassembling steps are contrary to assembling ones.
4643 Inspection and Maintenance of Turbocharger System
(1) Check service behavior of rotor
Stir compressor impeller gently with your finger, it is normal if the impeller can rotate for more
than one round; if the impeller stopped soon, then it means the bearing is abnormally worn, or there
is clash or jamming problem between rotating parts and fixed parts, you must find out the cause and
eliminate the problem.
(2) Rotor axial movement checking