2202G1JE-DA-M-N_2010.01.
5 Maintenance
Reciprocating Compressor M Series 5.5 Disassembly/Assembly
5-10
5.5.1.4 Attentions for Removing the Motor End Bearing Assembly
1. Remove the motor end bearing assembly hexagon
head screw.
To remove the motor end bearing assembly,
insert the motor end bearing assembly
hexagon head screw into the service hole
(a) and tighten it. (There are two holes
diagonally.)
2. Remove the motor end bearing assembly.
5.5.1.5 Attentions for Removing the Motor Rotor
The motor rotor weighs 250 kg. Handling it inappropriately may cause injury.
Attach the motor rotor in an appropriate manner with at least one other person.
1. Loosen the set bolts, and remove the set screws
together with the spring washer and the flat
washer. Attach the rotor extraction shaft (a) to the
shaft instead.
2. Attach the rotor extraction screw (b) to the rotor.
3. Attach the rotor extraction arm (c) to the rotor
extraction shaft and the rotor extraction screw.
4. Attach the rotor extraction arm fastening nut.
5. Evenly tighten the rotor extraction arm fastening
nuts, and remove the tapered engagement between
the motor rotor and the crankshaft.
6. Pull out the motor rotor by sliding on the rotor
extraction shaft.
5.5.1.6 Attentions for Removing the Motor Cage
The motor cage weighs 430 kg. Handling it inappropriately may cause injury.
Attach the motor cage in an appropriate manner with at least one other person.
1. Remove the screw (a) fixing the motor cage to the
frame before removing the motor cage hexagon
head screw.
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