REPAIR INSTRUCTIONS
Page 301
328
Figure 328 — Checking Yoke Adjustment
INLET VALVE ADJUSTMENT
Refer to Figure 329.
Inlet valve lash clearance is 0.016 inch
(0.406 mm).
When checking the inlet valve adjustment as part
of a troubleshooting routine, the acceptable
range is 0.012–0.020 inch (0.305–0.508 mm). Do
NOT readjust the lash clearance unless it is
outside of this range.
1. Place a 0.016-inch (0.406-mm) thickness
gauge between the rocker arm and yoke on
the No. 1 cylinder.
2. Turn the adjusting screw until a light drag is
felt on the thickness gauge.
3. After setting adjustment screw, tighten jam
nut to specification, 40 lb-ft (54 N•m), using
torque wrench J 24407, or equivalent.
Do not allow the adjustment screw to turn.
4. After tightening jam nut, recheck valve lash
clearance. Readjust as necessary.
329
Figure 329 — Inlet Valve Adjustment
1. Rocker Arm
2. Valve Yoke
3. Thickness Gauges
1. Adjusting Screw
2. Thickness Gauge
3. Valve Yoke
5_106_00.bk Page 301 Friday, August 4, 2000 11:17 AM
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