Joyner TROOPER T2, Owner'S Manual, Page: 96 / 205

96
Replace the crankshaft if the measurement
result exceeds t he limit.
[Limit]
0.03mm
Attention
: The bending value should be 1/2 of
the fluctuation for one circle of turning the
crankshaft.
4.3.2. Check the tears and wears of the
crankshaft
4.3.2.1. Use a caliper to measure the shaft
diameter, and work out the circularity
and cylindricity.
[Limit]
0.005mm
4.3.2.2. Use a caliper to measure the connecting
rod diameter, and work out the circularity
and cylindricity.
[Limit]
0.004mm
the measuring position is shown as the figure,
5. Assembling of the crankshaft connecting rod mechanism
5.1.
Assembly of the piston and connecting rod
5.1.1. Use special tools to assemble the piston,
connecting rod and piston pin in the
following specified procedures.
5.1.1.1. Smear lubricating oil to the connecting
rod pin hole, and make the assembly
according to the marks for the same unit
and in the indicated direction.
5.1.1.2. Make the installation shown as the right
figure.
5.1.1.3. Make adjustments and installation of the
piston and the connecting rod shown as
the right figure. After smearing
lubricating oil to the piston pin, use
pressurizing device to assemble the
piston and the connecting rod.
Attention
· Pay attention to the assembling direction when
pressing in the piston pin;
The small bit of connecting rod should be
heated to 300
℃
while pressing the piston pin in
the piston. Exert pressure in the process of
pressing to assure the alignment of the pin.
5.2.
Install Primary ring, the secondary ring and
the oil ring in the following specified