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11.10
Section 11
Reassembly
9. Mount a dial indicator to touch the top of the valve
retainer, of the valve to be set. See Figure 11-27.
NOTE: At this time, the valve will not be
completely seated. Do not rotate the
crankshaft.
Figure 11-29. Back Off Screw Until Needle Stops.
12. Using the reading from step 11, refer to the Shim
Selection Chart below to determine what shim(s)
will be required. If you need additional shims,
beside those taken out during disassembly, refer
to the parts manual and order the shim kit. The kit
contains a sufficient assortment to cover all
possible combinations on one engine.
Figure 11-27. Mounted Dial Indicator.
10. Rotate the face of the dial indicator to align the
"0" with the needle. Do not disturb the gauge
position. See Figure 11-28.
Figure 11-28. Align ‘‘0’’ with Needle.
11. Carefully hold/prevent the rocker arm from turning
and sliding off the end of the valve, but do not
disturb the dial indicator setting. Slowly loosen the
rocker arm mounting screw until the dial indicator
needle movement stops. Note and record this
reading (from ‘‘zero’’) in thousandths. See
Figure 11-29. This was the distance the valve was
being held open. The valve should now be
completely closed.
13. Remove the rocker arm assembly and place the
required shim(s) on the screw/stud, below the
pivot. Lightly lubricate all moving/contact surfaces
with engine oil. See Figure 11-30.
0.000 in.-0.009 in.
0.010 in.-0.019 in.
0.020 in.-0.028 in.
0.029 in.-0.038 in.
0.039 in.-0.048 in.
0.049 in.-0.058 in.
0.059 in.-0.067 in.
0.068 in.-0.077 in.
0.078 in.-0.086 in.
0.087 in.-0.097 in.
0.098 in.-0.106 in.
0.107 in.-0.116 in.
0.117 in.-0.120 in.
Available Shims & Identification:
.004 in. Shims contain a Blue Line
.008 in. Shims contain a Red Dot
.020 in. Shims contain a Black Dot
Shim Selection Chart
Dial Indicator
Reading
Required Shims
0.004 in.
0.008 in. 0.020 in.
1
-
1
-
-
1
-
1
-
-
1
-
1
-
1
1
2
-
-
1
1
2
-
-
1
1
-
-
-
-
1
1
1
1
1
2
2
2
2