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DIAPHRAGM PRIMER
OM-07297
OPERATION
PAGE C - 2
Priming Chamber
Assembly
Hose
Clamp
Suction
Hose
Hose
Clamp
Belt Guard
Suction
Line Air
Flow
Evacuated Air
From Discharge
Port
Figure C-1. Diaphragm Primer (Showed Installed on a Gorman-Rupp PA Series Pump)
PERIODIC CHECKS
Bearing Lubrication
The bearing housing was fully lubricated at the fac
tory. Check the lubrication levels before startup,
and regularly thereafter as indicated in Section E
MAINTENANCE AND REPAIR
. Maintain bearing
housing lubrication at ¾ up the sight gauge when
not running and ¼ up the sight gauge when run
ning. When lubrication is required, use
only
SAE
No. 30 non‐detergent oil.
Other Checks
Other periodic checks should be conducted using
the
Preventive Maintenance Schedule
in Section
D
TROUBLESHOOTING
as a guideline.