Workshop Manual

REPAIR STANDARDS
209
Major Name
Inspection Item
Nominal Assembly
Limit Repair Procedure Comments
Category
of Part Dimension Standard Value
Uneven Journal
A-4JA1
Dia.60(2.362)
0.09
wear on
A-4JB1
Dia.70(2.756
)
(0.0035)
Replace
journal
Pin
Dia. 53 0.094
and pins
(2.087) (0.0037)
Journal and bearing
Use those with projection
spread
and proper arc; take care with back side fit
Clearance between 0.035 – 0.080 0.11
Replace bearing
journal and bearing (0.0014 – 0.0031) (0.0043) Journal bearing Undersize bearings cannot undersize be used Crankshaft end play
0.10 0.30
Replace thrust bearings
Measure at crankshaft’s
(0.0039) (0.0118) No. 1 bearing thrust surface
Crankshaft runout 0.05 (0.002) 0.08 Replace crankshaft
or less (0.0031)
Perform lapping on gears
Ring gear with burrs; in cases of
severe damage, replace.
Bearing cup bolt 16.0 – 18.0 Apply engine oil to threads tightening torque (115.7 – 130.2/ and seating areas of bolts
kgf·m (lb·ft/N·m) 156.9 – 176.5) before tightening
Connecting rod bearing
Use those with projection
runout
and proper arc; take care work back side fit
Clearance between
0.029 – 0.066 0.10 Replace bearing
connecting rod
(0.0011 – 0.0026) (0.0039)
bearing and crankpin
Main Operating Parts
CrankshaftConnecting Rods
Do not attempt to grind: always replace with new parts
Do not catch foreign matter in bolts