WEICHAI WD10 Service Manual - page 95
Service Manual for WD10 Diesel Engine
85
456 Disassembly, Inspection, Maintenance and Assembly of Intermediate
Gear
4561 Exploded View of Intermediate Gear
Sleeve
Intermediate gear shaft
Bolt
Gasket
Intermediate gear
Fig. 4-49 Exploded view of intermediate gear
4562 Steps to Disassemble Intermediate Gear
(1) Remove air compressor, refer to disassembly of engine accessory system for details;
(2) Remove fuel injection pump, refer to disassembly of fuel system for details;
(3) Remove camshaft timing gear, refer to disassembly of valve mechanism for details;
(4) Remove the four M10 fastening hexagon bolts of intermediate gear, take down the gaskets.
Screw a M8 bolt into the gear shaft end hole to pull the shaft out, pay attention to avoid
intermediate gear falling off;
(5) Take down intermediate gear assembly and intermediate gear shaft along with the gear housing,
and then take them out from the opening of gear housing.
4563 Inspection and Maintenance of Intermediate Gear
(1) Check whether the bolts are in good condition;
(2) Check each gear for peeling off and tooth breakage failure, check each bolt bearing surface for
crush, and check whether the threaded hole or through-hole on gear is deformed.
(3) Check whether there is abnormal wear between intermediate gear shaft and intermediate gear
sleeve. Check and make sure each oil hole is free of dirt and unblocked.