LONCIN LC2V80FD Maintenance Manual

Chapter V Disassembly & Repair
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Outer diameter of piston skirt
Measure and record the outer diameter of piston skirt at the
place 10 mm away from the maximum lower edge of the
piston skirt; the measuring direction is perpendicular to the
piston pin hole.
Standard Maintenance Limit
79.965-79.975 mm 79.755 mm
Clearance between piston and cylinder
The difference between the maximum diameter of cylinder and
the diameter of the piston skirt is the clearance between piston and cylinder.
Standard Maintenance Limit
0.025-0.045 mm 0.255 mm
Clearance to the side of piston ring
Standard Maintenance Limit
Gas ring 1
Gas ring 2
0.02-0.06 mm 0.11 mm
Oil ring 0.03-0.08 mm 0.15 mm
Width of piston ring
Standard Maintenance Limit
Gas ring 1 2.9 mm 2.77 mm
Gas ring 2 3.3 mm 3.17 mm
Oil ring 2.6 mm 2.07 mm
Clearance to the end of piston ring
Before measuring the clearance to the end of piston ring, locate the piston ring with the top of the piston to make
it not erect in the inner hole of the cylinder.
Standard Maintenance Limit
Gas ring 1 0.2-0.4 mm 0.7 mm
Gas ring 2 0.3-0.5 mm 0.8 mm
Oil ring 0.2-0.7 mm 1.0 mm

LONCIN LC2V80FD Specifications

General

Brand	LONCIN
Model	LC2V80FD
Category	Engine
Language	English