Branson F42r - Crank Shaft

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42hW-201601
CHAPTER 2 ENGINE3015R(h)/3515R(h)/4015R(h)/F36R(h)/F42R(h) TRACTOR
2
Replacing of piston ring and connecting rod
should be operated in clean surrounding.
Make sure the piston ring is movable easily after
assembly.
Assemble the piston pin stop ring to the piston.
Put some oil to the piston pin and assemble the
connecting rod.
Assemble the piston pin stop ring.
When the piston is needed to replace, make sure
the piston pin has to be replaced, too.
1.
2.
3.
4.
5.
6.
K20W274A
6.3.5 CRANK SHAFT
K20W275A
If there is any crack or damage, replace it.
Measure every main part, and if it is over the limit,
replace the main bearing. If necessary, replace the
crankshaft.
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•
ITEM SPECIFICATION LIMIT
Crank journal
outer diameter
53.950 ~ 53.964 53.91
Metal thickness
1.987 ~ 2 -
Oil clearance
0.036 ~ 0.095 0.15
REPLACE THE PISTON
CHECK THE CRANKSHAFT
CHECK THE CRANKSHAFT JOURNAL
▶
(mm)