Weichai America Corp.
53
Fig. 4-4 Exploded view of tappet and push rod
No.
name
No.
name
1
Engine block
4
Cylinder head
2
Tappet
5
Push rod
4.4.2 Pre-assembly Preparation
1.
Equipment condition: oil can, oil
2.
Preparation: remove the rocker arm assembly before remove the push rod; remove the cylinder
head before remove the tappet.
4.4.3 Disassembly steps of tappet and push rod
1.
Upon removal of rocker arm and rockshaft, take out push rods and place them in order;
2.
After the cylinder heads are removed (see disassembly steps of cylinder head), take out tappets
and place them in order.
4.4.4 Assembly steps of valve tappet and push rod
1.
Check if any defect occurs in the valve tappet and push rod; if any, renew them. Before
installing the valve tappet, blow it clean with compressed air, and then check if the oil hole is
smooth.
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