Grundfos EB 20501-5, Owner'S Manual Installation And Operating Instructions

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Eng
lish (US)
6
Always follow motor manufacturer’s lubrication instructions if
available, and periodically check grease fittings and drain plugs
for leaks.
If lubricating instructions do not accompany the motor, refer to the
following table for recommended lubrication periods.
The following table lists the recommended types of grease for
motor lubrication. These types have all been thoroughly tested
and should be used whenever possible.
5.2 Cross section and parts list for EB 20503-2
5.3 Cross section and parts list for EB 20501-5
Motor Lubrication
Motor RPM Motor HP Operating conditions
3500 All hp
Standard Sever Extreme
6 mo 3 mo 3 mo
Standard conditions:
8 Hours per day operation, normal or light loading, clean air,
100ºF, maximum ambient temperature.
Severe conditions:
Continuous 24-hour operation, shock loading or vibration, poor
ventilation, 100-150ºF, ambient temperature.
Extreme conditions:
Continuous operation, heavy shock or vibration, dirt or dust in
air, extreme ambient temperature.
Manufacturer
Lubricant
Shell Dolium R
Exxon Polyrex
Chevron
SRi grease NLGI 2
Blackpearl - NLGI 2
Phillips Polytac
Texaco Polystar RB
TM
0
5
5
595
3
712
Position
Number
Part Name
Position
Number
Part Name
1 Casing 6 Seal Assy
2 Impeller 7 Gasket casing
3 Bracket 8 Wear ring
4 Pipe Plug 9 Push Type Fitting
5 Tubing
T
M
05
55
9
3
37
1
2
Position
Number
Part Name
Position
Number
Part Name
1 Casing 8 Pipe. Plug
2 Impeller 9 Wear Ring
3 Shaft Sleeve 10 Adapter
4 Cap Screw Impeller 11 Tubing
5 Key, Impeller 12 Push Type Fitting
6 Washer, Impeller 13 Seal Assy
7 Gasket, Casing 14 Bracket