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Lubrication system
1 crankcase 2 carburetor 3 machine oil tank 4 machine oil pump
Note: worm gear and worm
wheel shall rotate flexibly
without stagnation or single side
tightness, while the worm wheel
shall allow certain axial
movement. Machine oil pump O
shape gasket shall not cut the
edge.
Machine oil pump plugs
shall not leak and sealing gasket
1
2
3
4
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