Product Service 816-333-8811 or 1-800-522-7658
25
C
C
H
H
A
A
P
P
T
T
E
E
R
R
5
5
M
M
A
A
I
I
N
N
T
T
A
A
I
I
N
N
I
I
N
N
G
G
Y
Y
O
O
U
U
R
R
F
F
R
R
E
E
E
E
Z
Z
E
E
D
D
R
R
Y
Y
E
E
R
R
Under normal operation, the freeze dryer requires little maintenance. The
following maintenance schedule is recommended:
As needed:
1. Clean up all spills; remove liquids from the chamber.
2. Clean lid and gasket using soft cloth, sponge or chamois and a mild, non-
abrasive soap or detergent.
3. Check oil level of the vacuum pump. It should be between MIN and
MAX. If the oil level is less than an inch (25.4 mm) above MIN, add oil
to proper level.
4. If oil shows cloudiness, particles or discoloration, drain the pump and
replace with fresh oil.
5. Utilization of acids requires immediate cleaning and neutralization
after a run or physical damage to the collector chamber and collector
coil will result.
6. Check the collection chamber for condensed or frozen solvents and
dispose of appropriately. Completely empty the collector chamber before
the next run or before attempting to start the vacuum pump.
7. If sample valves leak or stems become difficult to turn, pull the stem out
of the rubber valve body and apply a thin coat of vacuum grease to the
stem. Reinsert the stem into the valve body.
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