WEICHAI WD10 - Disassembly, Inspection, Maintenance and Assembly of Valve Tappet and Pushrod

Service Manual for WD10 Diesel Engine
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3) Rotate the engine for 360°, so that cylinder 6 can be in compression TDC, adjust intake
valve clearance of No. 6, 5, 3 cylinder and exhaust valve clearance of No. 6, 4, 2 cylinder,
and EVB valve clearance.
4) Check valve timing of cylinder 1 in cold state, intake valve TDC 18°~23°, exhaust valve
TDC 20°~25°.
454 Disassembly, Inspection, Maintenance and Assembly of Valve Tappet
and Pushrod
4541 Exploded View of Valve Tappet and Pushrod
Cylinder cover
Engine block
Tappet
Pushrod
Fig. 4-47 Exploded view of valve tappet and pushrod
4542 Steps to Disassemble Valve Tappet and Pushrod
(1) After removing rockers and rocker shafts, directly take out pushrods, place them orderly;
(2) After removing cylinder covers (refer to disassembly of cylinder cover for details), directly take
out valve tappets, place them orderly;
4543 Inspection and Maintenance of Valve Tappet and Pushrod
(1) Clean up valve tappet and pushrod;
(2) Check whether oil channels of valve tappet and pushrod are unblocked;
(3) Check whether pushrod is crooked, check wear condition of its outside surface;