Piston Pins; Bore Honing (F22A1 Engine); Removal - Honda Prelude 1993 Service Manual

Piston Pins
Removal
Bore Honing lF22A1 enginel
Measure cylinder bores as shown on page 7-16.
lf the block is to be reused, hone the cvlinders and
rem€asure the bores.
Hone cylinder bores with honing oil and a fine (400
grit) stone in a 60 degree cross-hatch pattern,
NOTE:
. Use only a rigid hone with 400 grit or finer stone
such as Sunnen, Ammco, or equivalent.
. Do not use stones that are worn or broksn.
W h e n h o n i n g i s c o m p l e t e , t h o r o u g h l y c l e a n t h e
engine block of all metsl particles. Wash the cylin-
der bores with hot soapy water, then dry and oil
immediately to prevent rusting.
NOTE; Never use solvent, it will only .edistribute
the grit on the cylinder walls.
lf scoring or scratches are still present in cylinder
bores after honing to the service limit, rgbore the
cvlinder block.
NOTE: Some light vsrtical scoring and scratching is
acceptable it it is not deep enough to catch your fin-
g€rnail and does not run the full length of the bore.
CYLINDEB HONE
NOTE:
. After honing, clean the cylinder thoroughly with
soapy water.
o Only a scored or scratched cylind€r bore must be
honed.
t l
PFTON BASE
0tt3 - 65t0500
PISTON PIN BASE INSENT
OTGAF - PHq'3U'
Adjust the length A of the piston pin driv8r.
A: 51.5 mm (2.G1 inl
PISTON PIN DRIVER HEAD
0t9t3 - PE|D320
PISTOI{ PII{ DRlvEN SHAFT
or9r3 - Fdto3ro
PILOT OOLLAN
o'GAF - PHt0100
Emboesed mark lacing up.
NOTEi UEe a hydraulic pro6s.
When prossing pin in or out,
make sure that th€ rgco$ad
ponion ofthe piston oligns
with tho liD3 on th€ collar.
Place ths piston on the piston base and press the
pin out with a hydraulic press.
Assemble the Piston Pin Tools as shown.
PISTON SASE HEAD
OTHAF- PUM102
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