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SEM869EA 4. Place Tool (A) around camshaft as shown in figure. CAUTION: Be careful not to damage cam surface with Tool (A). Rotate Tool (A) (See figure.) so that valve lifter is pushed down. SEM870E 6. Place Tool (B) between camshaft and the edge of the valve CAUTION: I Tool (B) must be placed as close to camshaft bracket as I Be careful not to damage cam surface with Tool (B). 7. Remove Tool (A). SEM871E 8. Blow air into the hole to separate adjusting shim from valve SEM872E SEM145D 9. Remove adjusting shim using a small screwdriver and a mag- 10. Determine replacement adjusting shim size following formula. I Using a micrometer determine thickness of removed shim. I Calculate thickness of new adjusting shim so valve clearance Intake: N = R + [M − 0.30 mm (0.0118 in)] Exhaust: N = R + [M − 0.33 mm (0.0130 in)] Shims are available in 64 sizes from 2.32 mm (0.0913 in) I Select new shim with thickness as close as possible to calcu- GI MA LC EC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX CYLINDER HEAD Valve Clearance (Cont’d) EM-55 |