TK 56433-5-MM-EN
67
Figure 75.
Keyway Tool P/N 204–972
4.
Remove the Keyway Tool and check the fit of the
key (P/N 55-9024). It should fit into the keyway with
a light press fit requiring only a minimum of light
tapping. If the key does not fit properly, remove the
coupler and inspect the keyways and key for burrs
or other problems. Recheck the fit as shown above.
5.
When the key fits properly, remove the coupling
and key from the shaft.
6.
Re-install the coupling and align the keyways with
the Keyway Tool.
7.
D
Do
o n
no
ott iin
nsstta
allll tth
he
e kke
ey
y a
att tth
hiiss ttiim
me
e. Install the flat
washer and bolt and pre-torque to 20 ft-lb (27 N•m).
Remove the bolt and washer.
8.
Install the key in the keyway. As above, it should fit
with a light press fit requiring only a minimum of
light tapping. D
Do
o n
no
ott iin
nsstta
allll tth
he
e kke
ey
y iin
ntto
o tth
he
e
kke
ey
yw
wa
ay
y b
be
ey
yo
on
nd
d tth
he
e ffrro
on
ntt ffa
acce
e o
off tth
he
e cco
ou
up
plliin
ng
g. If
tapped in farther, it may cause the coupling to
move off center on the shaft.
Figure 76.
Compressor Coupling Installation
1.
Compressor Coupling or Clutch
2.
Key tapped flush with outside face of coupling. Do not tap
key any farther into keyway.
3.
Torque bolt to 90 ft-lb (122 N•m)
4.
Washer
5.
Spray this area with corrosion inhibitor after assembling.
9.
Re-install the bolt and heavy flat washer and snug
the bolt down by hand. Torque the bolt to 90 ft-lb
(122 N•m).
10. Spray a corrosion inhibitor (such as spray paint) on
the exposed part of the shaft and the joint between
the shaft and the coupling. This prevents moisture
from wicking into the joint and causing corrosion.
Compressors with Pressurized
Seal Cavity
Starting in the first quarter of 2017, the pressurized seal
cavity was phased into use on large shaft four cylinder
compressors. Compressors with a pressurized seal
cavity can be identified by the “P” on the seal cover as
shown (
). The model number of the
compressor has been changed to X430P to signify the
Pressurized Seal Cavity as shown (
The pressurized seal cavity uses a new compressor
seal with a hex drive and a new crankshaft with a hex
drive collar. See
for the replacement procedure.
Figure 77.
Seal Cover for Compressor with
Pressurized Seal Cavity
1.
“P” Indicates Pressurized Seal Cavity
