i)
Loosen eventy the
bo/ts
between the shaft
se.al
cover
and the outlet housing.
j) Remove the shaft seal cover (9 in fig. 7 .1 ). Break the
flange loose wj
t
h a rubber hammer.
k) Remove the seal housing (5 in fig. 7.1). Use screws in
the three tapped holes to remove the housing if
necessary.
1) Remove the rotating seaJ by puHing it off the shaft by
hand.
m) Remove the oil supply line to the square cap which
supplies oil to actuatê the capacity conttol slide vaJve.
n) Remove the tour Ferry head screws trom the square
cap. Twist (to break any binding of the oîl supply tube
so it can carne out with the cap) and remove the
square cap.
o) The oil supply tube may come out attached to the cap.
lf not, pull out the oil supp(y tube trom the compressor
by hand through the discharge port
FIG. 7.6 REMOVAL OF OUTLET END COVER
p) Remove the Ferry head screws trom the circum
ference of the outlet cover including the screw(s) in
the discharge port.
q) Jack the outlet cover away trom the d1scharge hous
ing using three screws in the specially provided
tapped holes in the flange of the outlet cover.
r) Maintain the outlet end cover as parallel to the outlet end
as possible to prevent damage to the dowel pin holes in
the cover.
sJ Remove the outlet
cover using care to
avoid
any contact
between the outlet cover and the male rotor shaft Lift
the cover away trom the compressor through the coup
lïng space between the compressor shaft and the motor
shaft.
t)
Prevent dirt
trom
enterïng the compressor by
covering
J
the discharge end with plastic or a clean doth.
B) INSPECTION OF THRUST BEARINGS
(refer to figure ?.7)
FlG. 7.7 INSPECTION OF THRUST BEARINGS
a) Inspeel the raceway and rolling elements of the out
board bearings tor pit marks or scoring and loose
cages. Use a flash light and mlrror as necessary.
b) Examine the raceway and rolfing elements of the in
board bearings using a flashlight and mlrror. Although
these inboard bearings
are
difficult to examine vis
ually, d.Q...oQ1 remove the locknuts and outboard bear
rngs for better access.
c) Contact Grasso if at all in doubt about the condition of
the thrust bearings.
d) Inspeel the capacity control valve guides as in para
graph 7.11.
C) INSTALLATION OF THE OUTLET END COVER
a} Make sure the discharge end of the compressor is
clean and no dirt has entered the compressor.
b) Clean the outlet cover flange and and the outlet bear
ing housrng or discharge housing.
c) lnstall a new O-ring into the groove in the flange of the
discharge housing. Keep the O-ring in place by
apllying a little grease in the O-ring groove.
d) Smear a film of Locktite 515 on the flange face of the
outlet cover.
e) Lift the outlet cover înto place avoiding any contact
with the male
rotor
shaft.
f) Secure the outlel cover with two Ferry head screws in
the top half of the outlet
cover_
g) lnstall the dowel pins.
Page 7.8
Compressor Package GSLP
92.01
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