Honda Acura NSX 1991, Руководство по обслуживанию, Страница: 112 / 1420

Camshafts
NOTE:
l Do not rotate the camshaft during inspection.
l Remove the rocker arms and rocker shafts.
1. Put the camshafts, the cam holders the holder pipes
on the cylinder head, and then tighten the bolts to
the specified torque.
NOTE: Apply clean engine oil to 8 mm bolt threads.
Specified torque:
(2.2 kg-m, 16 lb-ft)
bolts:
kg-m, 7 lb-ft)
CAM HOLDER BOLTS TORQUE SEQUENCE
FRONT:
REAR:
2. Seat the camshaft by pushing it toward left end of
cylinder head.
3. Zero the dial indicator against the left end, then push
the camshaft back and forth, and read the end play.
Camshaft End Play:
Standard (New): 0.05-0.15 mm
in.)
Service limit: 0.5 mm (0.02 in.)
4. Remove the bolts, then remove the cam holders from
the cylinder head.
Lift camshaft out of cylinder head, wipe clean,
then inspect lift ramps. Replace camshaft if lobes
are pitted, scored, or excessively worn.
Clean the camshaft bearing surfaces in the
cylinder head, then set camshaft back in place.
5.
plastigage strip across each journal.
cam holders, and then tighten the bolts
to the specified torque, as shown in the left column
on this page.
6. Remove the cam measure widest por-
tion of plastigage on each journal.
Camshaft Bearing Radial Clearance:
Standard
mm
( 0 . 0 0 2 - 0 . 0 0 4 i n . 1
Service Limit:
0.15 mm (0.006 in.)
STRIP