Branson 4015r - Cam Shaft

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42hW-201601
CHAPTER 2 ENGINE 3015R(h)/3515R(h)/4015R(h)/F36R(h)/F42R(h) TRACTOR
BENDING DEGREE
SPECIFICATION
Below 0.02 mm
Measure the bending degree of crankshaft.
Fix both journal side of the camshaft to the v Block
on the surface plate. Measure the straightness
at the center of the rolling crankshaft by the dial
gauge. If it is over the limit, replace it.
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K20W276A
Dial gauge
V-Block V-Block
Crank shaft
Straightness
Bending
ITEM SPECIFICATION
Thrust Clearance 0.09 ~ 0.271 mm
Measure the crankshaft side clearance.
Install the magnetic base at the end of the
crankshaft and put the dial gauge on it. Measure
the crankshaft-side side clearance. Replace the
thrust bearing or crankshaft if it is over the limit.
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K25W287A
6.3.6 CAM SHAFT
CHECK THE CAMSHAFT’S FIGURE
▶
Check the wear on contacting surface between
the tappet and the cam. Also, check the cam gear
damage.
CHECK THE CAMSHAFT BENDING DEGREE
▶
Measure the camshaft bending degree.
Fix both journal side of the camshaft to the V
block on the surface plate. Check the journal
waving by the dial gauge at the center of the
rolling camshaft. The bending degree is the half
of the journal oscillation.
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ITEM SPECIFICATION LIMIT
Bending degree Below 0.02 0.05
(mm)
K20W278A
Dial gauge
V-block
CHECK THE CRANKSHAFT BENDING DEGREE
▶
CHECK THE CRANKSHAFT SIDE CLEARANCE
▶
CHECK THE CAMSHAFT