Honda Prelude 1993 Service Manual page 118

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4.
Seat camshafts by pushing them toward distributor
end of cylinder head.
Zero dial indicator against end of camshsft, then
push camshaft back and forth, and read the end play.
Camshaft End Play:
Standard (New): 0.O5-O.15 mm
(0.0O2-O.006 in)
Sorvice Limit: 0.5 mm {0.02 in}
5. Remove the camshaft holder bolts from the cylinder
head.
a LiJt camshaft out of cylinder head, wipe clean,
then inpsect lift ramps,/Replac€ camshaft if lobes
are pitted, scored, ot excessively worn,
a Clean the camshaft beadng surfaces in the
cylinder head. then set csmshaft back in place.
a Insert plastigage strip across each journsl.
a Install the camshaJt holders and torque bolts to
the values and in the sequence shown on page
6-48.
6.
Measure widest portion ot plastigage on each
journal.
Camshsfi-to-Holdor Oil Cloaiance:
Standard (Now): O.O5O-0.089 mm
(0.0020-O.OO35 inl
Sorvica Limit:
O.15 mm (0.0O6 inl
Exhaust No. 5 Jounal:
Standard (Newl: O.lOO-0.139 mm
{0.0039-0.OO55 inl
Servics Limit:
0.20 mm (O.OOB inl
7. lf camshaft-to-holder oilclearancs is out oftolerance:
a And th6 camshaft has already been replaced, you
must r6placg the cylinder head.
r lf camshaft has not been replaced, first check to-
tal runout with th6 camshaft supported on V-
blocks.
Crmrheft Total Runout:
Standard (Nowl: 0.03 mm (O.0Ol Inl max.
Sorvlce Llmh:
0.06 mm (0.002 Inl
Rotate camshaft
while msssuring
- lf the total runout of the camshsft is within toler-
ance, replace the cylinder head.
- lf the total runout is out ot tolerance, replace the
camshaft and recheck. lf the oil clearance is still
out of tolerance, replace the cylinder head.
8. Measure camshaft lobe height.
Intak. Standlrd:
33.661 mm (1.3252 inl
Exhlurt Stlnda.d: 33.725 mm (1.3278 Inl
Inspect this are for wear.
6-49