Table 4.2 Maintenance Intervals
(in addition to lubrication)
C
o
m
p
o
n
e
n
t
R
eq
u
i
r
ed
Maintenance
Maintenance
I
n
t
e
r
v
a
l
Moisture
T
r
a
p
Check for accumulation of
Primary Shutoff
Clean rubber ball
s
e
a
t
;
check
Every
2
fastener
i
h
t
n
e
ss
Moisture
T
r
a
p
Clean rubber ball
s
e
a
t
;
check
Every
2
fastener
i
h
t
n
e
ss
Mounting
B
r
a
c
k
e
t
s
Check tension on spring
E
v
e
r
y
M
o
n
t
h
m
o
un
t
s
V
a
c
uu
m
Pump Clean pump interior
Every
three
m
o
n
t
h
s
V
a
c
uu
m
Pump
Clean pump exterior (to
a
v
o
i
d
R
e
u
V
a
c
uu
m
Pump Clean drip oiler sight glass Periodically
V
a
c
uu
m
Pump Check rotor vane wear
Per pump
ma
nu
f
a
c
t
u
r
e
r
s
r
e
c
o
mm
e
n
d
a
t
i
o
n
s
(replace vanes that exceed
1
/
4
"
wear limit)
26
Figure 4.3 Vacuum Pump Cleaning
Figure 4.2 Primary Shutoff for
Slide-in
Units
Primary
shutoff
access lid
Rubber Ball
Seal
Float Cage
Portal
Gasket
To access
the rubber
ball seal,
remove the
cap screw,
and reach
up through
the bottom
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