Joyner JNSZ1100SV, Owner'S Manual

Page: 78 / 132

2.4. Check the radial clearance of the
crankshaft
2.4.1. Remove the crankshaft bearing
cover; use a resin hammer to knock
the bearing cover off gently.
2.4.2.
Clean the inside of the bushes, the
inside of the bearing cover, the
cylinder walls, the axle diameter, etc.
Make thorough checks for any tears
and wears as well as other
damages.
2.4.3. Use a cl6 gauge to adjust
the radial clearance of the
crankshaft; tighten the bolts of
bearing bush cover with specified
torque. [Torque] 70
±
3.5N.m
Attention Tighten the bolts of the
crankshaft bearing cover in three times to
the regulated value, in the sequence as
shown in the right figure. Attention: Don
’
t
turn the crankshaft after
tightening ,because of the clearance
gauge.
2.4.4. Remove the bearing cover and
measure the maximum width of the
spacing. If it goes beyond the limit,
replace the bush.
[Benchmark] :0.025-0.069mm
[Limit] :0.10mm
2.4.5. Remove
Main bearing cover,
Crankshaft, Crankshaft bush, Thru
Clearance gauge