MAAG-14000-E-02EMEA
9
S SERIES TWIN SCREW PUMPS
S E C T I O N 6
R O U T I N E & P R E V E N T I V E M A I N T E N A N C E
For special or custom pumps, please refer to the maintenance
instructions within this manual .
DAILY MAINTENANCE
STEP 1
Check oil level in gear box . If necessary, disassemble screw
plug from the top of the gear box and apply oil to the center
of the sight glass .
STEP 2
Listen for unusual noise or vibration .
STEP 3
Inspect pump shaft seal for leaks when pump is running .
Regarding mechanical seal installation, product vaporizes
resulting in no observable leakage; however, for some
applications, a modest amount [3 mL/h (0 .10 oz/h) to 5 mL/h
(0 .17 oz/h)] of leakage is acceptable .
Coupling/Special Coupling: Please refer to Manufacturer’s Special
Instructions in the Appendix .
Driver: Please refer to Manufacturer’s Special Instructions in the
Appendix .
Special Accessories: If pump is provided with special accessories,
for instructions regarding the maintenance of these accessories,
please refer to Manufacturer’s Special Instructions in the Appendix .
WEEKLY MAINTENANCE
STEP 1
If pump is not in use for one week, open suction and
discharge valves, run idle pump under power .
STEP 2
Check operation of suction and discharge valves .
QUARTERLY MAINTENANCE
STEP 1
Check all foundation bolts, screws and hold-down bolts for
tightness .
STEP 2
Change oil as previously described in this manual . Turn open
draining screw plug of the gear housing, disassemble oil-input
screw plug and inject clean, light oil into resin gear box .
Tighten screw plug, inject gear oil to the level of the sight
glass and tighten oil-input screw plug . Add grease for fore-
bearing housing as previously described in this manual .
ANNUAL MAINTENANCE
STEP 1
Check coupling alignment .
STEP 2
Check existing pump capacity, pressure and power
against pump and motor nameplate data . If pressure and
capacity have decreased excessively, the pump should be
disassembled and worn parts should be replaced . However, if
pump performance is satisfactory, disassembly for inspection
is not required .
Summary of Contents for S Series
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