Mitsubishi S4S Service Manual page 121

(4) Checking clearance between main shaft and
pump case
Measure the diameter of the shaft and the inside
diameter of the bore in the case for the shaft to
find the clearance between the two. If the
clearance exceeds the service limit, replace the
pump case or the pump assembly.
Unit: rnrn [ in.]
Item Assembly Standard Service Limit
Diameter of main 15.985 to 16.000
shaft (case side) [0.6293 to 0.6299]
Clearance between 0.032 to 0.074
0.15
mainshaft and case [0.0013 to 0.0029]
[0.0059]
(5) Checking cearance between main shaft and
bushing
Measure the diameter of the shaft and the inside
diameter of the oil pump bushing in the crankcase
to find the clearance between the two. If the
clearance exceeds the service limit, replace the
bushing or the pump assembly.
(6) Installing oil pump bushing
To install the oil pump bushing, use oil pump
bushing instalIer
(32A91-00400).
Unit: mm [ in.]
Item Assembly Standard Service Limit
Diameter of main 13.957 to 13.975
shaft (bushing side) [0.5495 to 0.5502]
Clearance between
0.025 to 0.111 0.200
mainshaft and
[0.0010to 0.0044] [0.0079]
bushing
, - - - - - - - - - - j (
NOTE
ÎI-- ---,
Install the oil pump bushing in the crankcase so
that it is even with the front face of the crankcase.
LUBRICATION SYSTEM
Checking clearance between main shaft and pump case
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Checking clearance between main shaft and bushing
9-5