Crankshaft Inspection - Honda Civic Service Manual

Engine Block
Crankshaft lnspection
Out-ol-Round and Taper
1. Remove the crankshaft from the cylinder block (see
page 7-121.
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. Clean 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 journal must not be more
than the service Iimit.
Journal Out-ot-Round
Standard (New): 0.005 mm (0.0002 in.) max.
Service Limit;
0.010 mm (0.0004 in.)
5. Measure taper at the edges 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 lNewl: 0.005 mm (0.0002 in.) max.
Service Limit:
0.010 mm {0.0004 in.)
I_JJ
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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 g n s o n t h e N o . 1 a n d N o . 5
j o u r n a l o f t h e c y l i n d e r b l o c k .
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 revolutlons. The
difference between measurements on each journal
must not be more than the service limit.
Crankshaft Total Runout
Standard (New): 0.03 mm 10.0012 in.l max.
Service Limit:
0.04 mm (0.0016 in.l
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