MAYEKAWA 8M - First Maintenance Period; Second Maintenance Period

2202G1JE-DA-M-N_2010.01.
5 Maintenance
Reciprocating Compressor M Series 5.3 Maintenance (Overhaul)
5-5
5.3.2 First Maintenance Period
Remove the shaft seal cover, head cover, and hand hole cover, then remove the piston and connecting rod. When
no abnormality is found, it is not necessary to remove the crankshaft and bearing housing.
Inspection Sections
Inspection
Items
Remarks
Plate valve Replacement
Plate valve spring Replacement
Cylinder sleeve Inspection To be replaced if any abnormality is found
Piston Inspection To be replaced if any abnormality is found
Piston ring Replacement
Piston pin Inspection To be replaced if any abnormality is found
Connecting rod bearing halves Replacement
Crankshaft pin Inspection To be replaced if any abnormality is found
Mechanical seal assembly Inspection To be replaced if any abnormality is found
Oil control ring (3rd) Replacement
Needle bearing for high grade connecting rod Replacement
Gasket Replacement
"O"ring Replacement
Suction filter Cleaning
Oil strainer Cleaning
Oil filter Replacement
Lubricant Replacement
Motor Replenishment
of grease
Refer to the operation manual of electrical
equipment. If no particular description is
provided, it is recommended to replenish
the grease every 1000 hours.
5.3.3 Second Maintenance Period
Perform the first inspection items, and then the following items.
Remove the crankshaft and bearing housing.
The second inspection items are as follows.
Inspection Sections
Inspection
Items
Remarks
Main bushing Inspection To be replaced if any abnormality is found
Thrust roller bearing Inspection To be replaced if any abnormality is found
Thrust washer Inspection To be replaced if any abnormality is found
Crankshaft Inspection To be replaced if any abnormality is found
Other parts Inspection To be replaced if any abnormality is found