WEICHAI WD10 Service Manual - page 102
Service Manual for WD10 Diesel Engine
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(1) Check whether the pipe connection between turbocharger and engine is loose, eliminate the
problem in time.
(2) Check turbocharger for air leakage and oil leakage, eliminate the fault in time.
(3) Check whether turbocharger fastening screws are loose, eliminate the problem timely.
(4) Check air filter, clean it timely if there is too much dust accumulated in the filter.
4644 Steps to Assemble Turbocharger System
(1) Loose-fit one end of the preassembled turbocharger oil inlet pipe to engine block main oil port.
Pay attention to adjust the position of the pipe, so that it can be easily connected to
turbocharger.
(2) Install turbocharger gasket on exhaust pipe flange.
(3) Install turbocharger oil return pipe and studs on turbocharger assembly, apply 0# molybdenum
disulfide and clean lubricating oil on the studs. Tighten oil return pipe fixing bolts to 22~29Nm.
(4) Place a gasket on exhaust pipe flange and fix them on turbocharger assembly, loose-fit 2-type
all-metal hexagon lock nuts and tighten them.
(5) Pour proper amount of clean lubricating oil into turbocharger oil inlet port, and clean up the
overflowed oil.
(6) Connect oil inlet pipe to turbocharger with a gasket, fix them with hexagon bolts and
self-locking gaskets, tighten the bolts to 22~29Nm. Rotate supercharger impeller and it should
be flexible and free of resistance.
(7) Knock-in turbocharger oil return elbow. Fitting surface of the elbow should be applied with 271
thread sealant.
(8) Install turbocharger oil return hose and hose clamps, tighten the clamps. Note that the direction
of two clamps should be uniform, straighten out the house.
(9) All gaskets are disposable and should be replaced once removed.