Shibaura ST318, Руководство по ремонту

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3. ENGINE REASSEMBLY
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Cautions before assembly
1. Wash parts to be installed. (Especially wash oil passage bearing, piston and cylinder bore carefully.)
2. Coat the sliding and rotating parts of the cylinder bore, piston, bearing and other parts with new oil before installing.
3. Replace the gaskets with new ones. If necessary, use liquid packing to prevent oil leakage.
4. Do not tighten bolts and nuts for aluminum alloy parts excessively. Tighten them with specified torque.
Reassembly
1. Relief valve assembly with O-ring.
Relief valve tightening torque
59 – 69 N·m (6 – 7 kgf·m)
2. Crank shaft and bearing holder assembly.
Cylinder block to bearing holder tightening torque
25 – 29 N·m (2.5 – 3.0 kgf·m)
NOTE:
1. Take care not to damage the bush in the cylinder
block by the crank shaft gear when install the
crank shaft and bearing holder assembly
2. Install the two hexagon socket head bolts for the
fly wheel side bearing holder.
3. Measure the end play of crank shaft.
Crankshaft end play
Standard value 0.05 ~ 0.3 mm
Service limit 0.5 mm
T153
T154