Daewoo D1146 - Page 64

D1146/D1146TI/DE08TIS
MAINTENANCE MANUAL
60
Printed in Jan. 2001 PS-MMA0415-E1A
z In case that pin's wear is more than
the limit value, grind the crankshaft
journal and crank pin, and use the
undersized bearings.
Be sure to use grinding paper which
has been immersed in oil.
<Undersize bearings available>
 Standard
 0.25 (Inside diameter is 0.25 mm
lesser than the standard size.)
 0.50 (Inside diameter is 0.50 mm
lesser than the standard size.)
 0.75 (Inside diameter is 0.75 mm
lesser than the standard size.)
 1.00 (Inside diameter is 1.00 mm
lesser than the standard size.)
Undersize bearings are available in 4
different sizes as indicated above, and the
crankshaft can be reused through the
regrinding as described above.
CAUTION :
In case of regrinding, the grinding the "R" part of bearing end should
be correctly done and keep in mind to remove any jaws or coarse
surface absolutely.
3) Crankshaft run-out
z Support the crankshaft on V blocks.
z Turn the crankshaft with a dial
indicator placed on the surface plate
and take the amount of crankshaft
run-out.
Standard Limit
0.05 mm 0.1 mm
"R" part's specified value
① Crank pin's "R" : 4.5
0
2.0−
② Crank Journal "R" : 4
0
2.0−