WEICHAI WD10 Service Manual - page 112
Service Manual for WD10 Diesel Engine
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(4) Remove the hexagon flange nuts;
(5) Remove the studs;
(6) Remove the water pump and take down pump gaskets.
4833 Inspection and Maintenance of Water Pump
(1) Check pipe joint and pipe joint module for blockage and crack damage, replace if necessary.
(2) Check pipe joint gasket and water pump gasket for crack damage, replace if necessary.
(3) Check the bolts, nuts and studs for thread damage, replace if necessary.
(4) Check water pump for crack damage, replace it if necessary.
4834 Steps to Disassemble Water Pump
(1) Before the assembly, check pipe joint, pipe joint module, hexagon bolts, wave spring washers,
supporting block, nuts, studs, pipe joint gaskets, water pump gaskets and water pump, make
sure there is no manufacturing and use defect.
(2) Clean up gear housing inner cavity that connected to water pump.
(3) Assembling steps are contrary to disassembling ones.