Honda Acura NSX 1991 Service Manual page 126

Rocker Arms
Remove the ignition coil covers (page 6-23).
1 .
2. Remove the ignition coils (page 6-23).
3. Remove the cylinder head covers (page 6-3).
4. Set the No.1 piston at TDC (page 6-26).
5. Push the mid rocker arm on the No.'l cylinder
manually.
6. Check that the mid rocker arm moves independent-
ly of the primary and secondary rocker arms.
ROCKER ARM- -
NOTE:
Check the mid rocker arm of each cylinder at TDC.
l If the mid rocker arm does not move, remove the mid,
primary and secondary rocker arms as an assembly
and check that the pistons in the mid and primary rock-
er arms move smoothly.
abnormality.
6-52
CAUTION:
make sure that the air pressure gauge on the air com-
pressor indicates over 245 kPa (2.5 kg/cm2, 36 psi).
Inspect the valve clearance before rocker arm in-
l
spection.
l Cover the timing belt with shop towel to prevent the
belt.
Check the mid rocker arm of each cylinder at TDC.
l
1 .
Front cylinder head:
Rear cylinder heed:
RELIEF HGLE
SECONDARY
ER ARM
Plug the relief hole with the special tool as shown.
RELIEF HOLE
VTEC INSPECTION HOLE
SEALING BOLT
VTEC PLUG
VTEC INSPECTION HOLE
SEALING BOLT
VTEC PLUG
I