Crankshaft Inspection; Out-Of-Round And Taper; Straightness - Honda S2000 Service Manual

Crankshaft Inspection
Out-of-Round and Taper
1. Remove the crankshaft from the cvlinder block (see
p a g e 7 - 1 1 ) .
2. Clean the crankshaft oil passages with pipe
c l e a n e r s o r a s u i t a b l e b r u s h .
3. Check the keyway and threads.
4. Measure out-of-round at the middle of each rod
and main journal in two places, The difference
between measurements on each iournal must not
be more than the service limit.
Journal Out-of-Round:
Standard (New): 0.004 mm {0.(X)02 in.) max.
Service Limit:
0.006 mm (0.0002 in.)
Measure taper at the edge of each rod and main
journal. The difference between measurements on
each journal must not be more than the service
l i m i t .
JournalTaper:
Standard {New): 0.005 mm (0.0002 in.l max.
Service Limit:
0.006 mm (0.0002 in.l
J J l -
T-T
5 .
Straightness
6. Place the cylinder block on the surface plate.
7 . C l e a n a n d i n s t a l l t h e b e a r i n g s o n t h e N o . 1 a n d
No. 5 journals of the cylinder block.
8. Lower the crankshaft into the block.
9 . M e a s u r e r u n o u t o n a l l m a i n j o u r n a l s . R o t a t e t h e
crankshaft two complete revolutions. The
difference between measurements on each journal
must not be more than the service limit.
Crankshaft Total Indicator Runout:
Standard {Newl: 0.03 mm {0.001 in.) max.
Service Limit:
0.04 mm {0.002 in.)
7-13