Crankshaft And Balancer Shafts - Honda Prelude 1993 Service Manual

Grankshaft and Balancer Shafts
lnstallation
Betore installing the crankshaft, apply a coat of
e n g i n e o i l t o t h e m a i n b e a r i n g s . r o d b e a r i n g s
and balancer shaft bearings.
Insert bearing halves in the cylinder block and con-
necting rods.
Hold the crankshaft so rod journais for cylinders No.
2 and No,3 are straight up.
Lower the crankshaft into the block, seating the rod
journals into connecting rods No. 1 and No. 4.
lnstall the rod caps and nuts finger tight.
ROD No. 2 WASHERS
ROD No. a
Rotate the crankshaft clockwise, seat journals into
connecting rods No, 2 and No.3, and install the rod
caps and nuts finger tiqht.
NOTE: Install caps so the bearing recess is on the
same side as the recess in the rod.
Check rod bearing clearance with plastigage (page
7-10), then torquo the capnuts.
47 N.m (4.7 kg-m.34 lb-ft)
NOTE: Reference numbers on connecting rod are
for big-end bore tolerance and do not indicate the
position of piston in the engine.
I
I
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7-26
6.
Install the thrust washers, main bearing caps and
bearing cap bridge.
Check clearance with plastigage (page 7-8), then
tighten the bearing cap bolts in 2 steps.
ln the first step tighten all bolts in sequence, to
about 30 N.m (3.0 kg-m, 22 lb-ft); in the finsl step
tighten in same sequenc€, to 75 N.m {7,5 kg-m.54
tb-ft).
NOTE: Coat the bolt threads with engine oil.
CAUTION: Whlnovor any crankshaft or connccting
rod baaring i3 roplacad, it ir nocosarY lftcr lc!s-
scmbly to lun tho cngin. Ei idling tpoed until it
rcacho! normal opcrrting iamporltula. thcn Gon.
tinue to run it lor approximataly 15 minut6.
7.
Insen the balancer shafts into the block, then install
the retainer to the front balancer shaft and block.