Gardner Denver ELECTRA-SCREW EDEQHH, Operating And Service Manual

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13–8–610 Page 13
4. Wipe lubrication fitting clean and add grease with
a hand–operated grease gun.
5. Leave the relief plug temporarily off. Reconnect
the unit and run for about 20 minutes to expel the
excess grease.
6. Stop the unit. Replace the relief plug.
7. Restart the unit.
Rotating machinery can cause injury
or death. Open main disconnect, tag
and lockout power supply to the start-
er before working on the electric mo-
tor.
ELECTRIC MOTOR GREASE RECOMMENDATIONS
Standard High
Service Temperature
Worked Penetration 265–296 220–240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Grease Viscosity, SSU At 100
_
F (38
_
C) 400–550 475–525 . . . . . . . . . . . . . . . . . . . . . . . . .
Soap Type Lithium Lithium . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N–H Bomb, Minimum Hours For 20 PSI (1.4 Bar) Drop
at 210
_
F (99
_
C) 750 1000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bleeding, Maximum Weight % In 500 Hours 212
_
F (100
_
C) 10 3 . . . . . . . .
Rust Inhibiting Yes Yes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRIC MOTOR REGREASING INTERVAL
Type of Service Typical Examples Rating Relubrication Interval
Standard One– or Two–Shift Operation 150 HP (112 KW) 18 Months
& Below
Severe Continuous Operation 150 HP (112 KW) 9 Months
& Below
Very Severe Dirty Locations, High 150 HP (112 KW) 4 Months
Ambient Temperature & Below