Weichai America Corp.
46
1.
Equipment conditions: tappet installation tools, lubricants.
2.
Disassembly Preparation: After the cylinder head cover is disassembled, loosen the rocker
shaft assembly to fix the hex head bolt, and then remove the push rod (4). After the cylinder
head is disassembled, remove the tappet (2).
5.4.3 Dismantling
1.
After the unloading of the rocker arm and the rocker arm is completed, the push rod (4) is
directly removed and put in order;
2.
Cylinder head unloading (see cylinder head unloading step) after the completion, remove
the tappet (2), and then placed.
5.4.4 Installation
1.
Check tappet (2) and putter (4) for any problem, if any problem is updated. Before
assembling tappet (2), it must be purged with compressed air and check whether the oil hole
is smooth.
2.
The valve tappet (2) the outer surface of the cylinder and the bottom clean oil, oil evenly;
3.
Use the tappet installation tool to install the tappet to the tappet hole, the tappet and the
tappet hole may not bump in the installation process;
4.
Cylinder head assembly (see the cylinder head assembly steps), after blowing with
compressed air push rod, and check the oil hole is smooth;
5.
The push rod (4) coated with clean oil, must ensure that the ball and the concave enough
lubricant;
6.
Put the putter (4), putter (4) spherical face down.
5.4.5 Maintenance points
Point 1:
Disassembled inspection
1)
The putter and tappet clean;
2)
Check the tappet oil path is smooth;
3)
Check whether the pushrod is bent, the degree of wear on the outer surface;
4)
Check the pusher ball and the recess is worn;
5)
Check the tappet surface, the bottom is worn;
6)
Check tappet internal recess is worn.
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
