§
()
:b
=
.:-
::::;,.
o·
:::l
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.,.,
Symptoms
13.
Lubricating fluid or
oil is found
in
the
vacuum
line or in the
vessel or system
being evacuated
see
Symptom
7).
14.
The pump is running
hot (greater than
95°C or 200°
TABLE 6-1. TROUBLESHOOTING CHART (Continued)
Trouble Area
a.
Vapors are back-
streaming into
the vacuum line.
Probable Cause
Lubricating fluid is
contaminated.
Vapor pressure of
lubricating fluid is
insufficient.
Pump fluid suckback during
shutdown.
Recommended
Corrective Action
See Symptoms 1 &
2.
Replace used fluid with HE-200lubricating fluid.
Install
an
RST, FA or adsorption trap
in
the inlet
line.
See Symptom
4b.
Install SECUVAC® valve or ventina device.
See Symptoms
1,2,
3a through 3i, 11b, 11d, 12e,
12i, 12j, and 12k.
Repair Steps *
Sec. 4-3-2
8-1
& Sec. 3-3
"This column contains the disassembly steps required to perform the corrective action. Some critical assembly steps are
also listed. If the section is not specified, the steps are located in Section 5.
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