MAYEKAWA 4M - Bearing Head Removal and Thrust Bearing Assembly; Main Bushing Replacement (Bearing Head)

Reciprocating Compressor M Series
5-36
5.5.9.1 Removing the Bearing Head
z Dropping of the bearing head may cause injury or damage to the compressor.
Always attach the stud bolts before performing the work.
z To remove the bearing head, insert the
bearing head hexagon head bolts into the
service holes (a) and tighten them. (There
are two holes diagonally.)
1. Remove the two bearing head hexagon head
screws from the top, and attach the stud bolts.
5.5.9.2 Replacing the Main Bushing (Bearing Head Side)
If it is necessary to remove the main bushing (bearing head side), contact your local service
center.
5.5.9.3 Assembly of the Thrust Roller Bearing (Bearing Head Side)
1. Attach the thrust roller bearing (bearing head side)
(b) and thrust roller bearing (shaft side) (a)
according to the correct positions.
2. Face the flat surface (d) of the thrust roller bearing
(bearing head side) (b) towards the thrust roller
bearing (roller) (c).
Symbol Description
A
Shaft side
B
Bearing head side
e
Shaft
f
Case