SECTION 6
TROUBLESHOOTING
: BEFORE REPAIRING THE PUMP,
BE
SURE TO READ
ALL
WARNINGS
AND
CAUTIONS IN SECTION
ATTHE
BEGINNING OF SECTION 5·B.
design
of
the TR
IV
AC rotary
vane
pumps allows
for
easy
repair. Most corrective maintenance problems
can
be
quickly by using Table 6·1.
r repairs beyond the
scope
of
this manual, contact your nearest Leybold
Sales
Office
for
the location
of
service
center.
6·1
contains the instructions
for
troubleshooting
your
pump
if
a malfunction occurs.
To
use
the table, first
the symptom, then locate the trouble
area
and
perform the recommended corrective action.
If
disassembly
of
a
is
necessary
to
perform the corrective action, refer
to
the
steps
listed in the "Repair Steps" column
of
Table
the Table recommends cleaning,
use
the
general
cleaning instructions in Section 5·E, in addition
to
any specific
Steps" recommended.
CONTENTS
Page
lubricating fluid is milky white or dark and the pump fails to reach its ultimate pressure and runs hot
:o.:tdEltls:atic)l1
in Lubricating Fluid)
..................................
'
.............................
44
.
The
lubricating \\uid
nas
an unusual color,
is
dar\<.,
turbid,
or
contains
"a\<.es
(Contamination of the Lubricating Fluid)
...........................................................
44
The pump will not achieve its ultimate pressure
.............................
,
.................
45,46,47
4. The evacuated vessel or system is vented to atmosphere pressure after pump shutdown
...............
47, 48
5. The pump
is
excessively noisy
..................................................................
48
6.
Excessive smoke
or
oil mist in exhaust stream
....................................................
49
7.
Lubricating fluid is ejected out of
the
intake tube
...................................................
49
8.
Excessive lubricating fluid is consumed
........................................................
49, 50
9.
Lubricating fluid is leaking from the top of the oil casing
.............................................
50
10.
Exhaust gas is leaking from the top of the oil casing
................................................
50
11.
The pump will not start
.....................................................................
50,
51
12.
The pump will not aChieve its rated pumping speed
.................................................
52
13. Lubricating fluid or oil is found in the vacuum line or in the vessel or system being evacuated
..............
53
14. The pump is running hot (greater than
95°C
or 200°F) "
............................................
53
TRIVAC
"A"
Manual, Edition L
43
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