c
COOLING
SYSTEM 7-5
ii-l
@ INSPECTION AND
REPAIR
Make the necessary adjustments, repairs,
and
.part replacements if excessive wear or damage is discov-
ered during inspection.
OK859
Seaied side
outward
larger ‘aearing
Smallk
beating
- OK144
Shaft
Pulley center
cl
+I)
Bearing Replacement
Removal:
Use a bench press to remove two bearings and the
spacer.
Installation:
Use a bench press to install two bearings and the
spacer.
Single bearing is used for 4BDl and 4BDlT.
Use a micrometer to check the fitness at the three points
shown in the illustrations.
mm(in)
r
Shaft to Pulley Center
Fitness
0.02-0.06
(0.0008-0.0024)
Shaft to Impeller
0.07-O. 11
Fitness
(0.0028-0.0043)
Pulley Center to Pulley
0.14 (0.0055)
Fitness
I
or less
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