Normally Open (NO) wire color WHITE
Normally Closed (NC) wire color RED
Common (Com) wire color BLACK
THE ENCLOSURE IS LABELED WITH APPLICABLE SAFETY AGENCY RATINGS FOR HAZARDOUS
AREA INSTALLATION. SINCE THE SWITCH IS OF THE MECHANICAL CONTACT TYPE, IT CAN NEVER
QUALIFY AS NON-SPARKING (NON-INCENDIVE, OR “M”) FOR OCCASIONAL AND SHORT-TERM
HAZARDOUS AREA USE. PROTECTION MUST BE PROVIDED BY THE ENCLOSURE.
5. EQUIPMENT SETUP
5.1 LUBRICATION
PULSAR pumps use two separate oils: PULSAlube 7H, hydraulic oil for the eccentric box
and PULSAlube 8G, gear oil for the gearbox. Confusion between the two will impair
performance and damage the pump.
PULSAR pumps are shipped from the factory with the Eccentric Housing drained, and
the Gearbox full. The Installer should fill the Eccentric Housing. The external gearcase
does not need to be checked.
5.1.1 Oil Capacities
PULSAlube 7H hydraulic oil is now available in 1-liter containers (previously 1.5 liters).
PULSAlube 8G gear oil is available in 200 ml containers.
It is recommended that adequate supplies of both PULSAlube oils be on hand for periodic
changes and emergency requirements. The approximate amounts of oil required to fill PULSAR
pumps to specified levels are:
Please note that the eccentric box section of the pump is not completely full when the proper
amount of oil is used, this is normal. Starting in production year 2007, Pulsafeeder will distribute
PULSAlube 7H in 1-liter containers to facilitate proper oil fill.
5.1.2 Gear Oil Fill
In all pump configurations, one pipe plug is present at the top of the gearbox and one is on the
side at the centerline level. Remove the top plug and fill with PULSAlube 8G (amber) gear oil
through the top port to the level of the eccentric shaft centerline, which is level with the side port.
If desired, the side plug can be removed so that leakage from the side port indicates attainment
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