2200LZJE-HO-C6-N_2013.12.
Chapter 5 Maintenance
Compound 2-stage Screw Compressor 2016**C
5.7 Reassembly
5-45
5.7.6 Suction Cover and Side Bearings (High/Low-stage)
a) The side bearing (O-ring type) is dimensioned in such a way that it is lightly press-fit to the suction
cover.
Align the notch of the bearing with the positioning pin
【
8
】
which is driven into the suction cover, and
press-fit the bearing. During the press-fit, check the position of the pin and the notch. If the position
is misaligned, pull the bearing out once and then press-fit it again.
When the assembly is finished, secure the side bearing by using the stop ring (Photo 071).
On the high-stage too, when the side bearing has been attached, secure it by using the stop ring
【
29
】
.
Photo 070 Attaching Side Bearing Photo 071 Securing with Stop Ring
(Low-stage) (Low-stage)
b)
After that, attach the balance piston to the high-stage only, by following the procedure below.
After attaching the stop ring
【
37
】
for O-ring spacer, attach the spacer
【
36
】
.
The size of the O-ring
【
35
】
for balance piston sleeve is rather small. Extend it slightly all over with
your hands before attaching it.
Attach the balance piston sleeve
【
33
】
.
Screw two set screws
【
34
】
for stopping rotation (Photo 078), and then attach the stop ring
【
37
】
.
Photo 072 Attaching Side Bearing Photo 073 Securing with Stop Ring
(High-stage) (High-stage)
