Rainger Linear 77
MAINTENANCE
Centrifugal Pump Lubrication
The following are general centrifugal pump lubrication
recommendations and may not apply to the centrifugal
pump included with this irrigation machine. Always refer
to the centrifugal pump Owner’s Manual or centrifugal
pump manufacturer for the proper lubricant, lubrication
frequency and lubrication procedures.
Grease Lubricated Frames
Use Lithium based grease equivalent to one of the fol
-
lowing manufacturer’s products:
G.E. Long Life Grease No. D682C5
Mobil Mobilux No. EP2
Shell Alvania EP2
Texaco Multifak No. 2
When adding grease be sure that grease fittings and
end of grease gun are clean. See Figure 77-1.
Use a hand operated grease gun only.
Refer to the table in Figure 77-2 for general lubrication
frequency.
Run-Dry Reservoirs
Use an oil or fluid equivalent to one of the following
manufacturer’s products:
• Chevron Turbine Oil GST 32
• Transmission Fluid
• Hydraulic Fluid
• Royal Purple Barrier Fluid FDA 22
• Synthetic White Oil 22
Fill and maintain the reservoir fluid level up to the
middle of the top sight glass. See Figure 77-1.
When filling the reservoir with fluid, be sure the air has
been purged out of the upper circulation hose to reduce
the possibility of vapor lock.
Change the reservoir oil every 1000 hours or once a
year.
2
1
Figure 77-1 1. Grease Fitting
2. Run-Dry Reservoir
Frame Size
2-5-11
EM309
6-7-8-16
60B4 though 68B4
10-12
18-18D
Total
Running
Time
<2000 hours 1,500 hours 1,000
hours
8-Hour Day
Service
36 weeks 27 weeks 18 weeks
24-Hour Day
Service
12 weeks 9 weeks 6 weeks
3 pumps 6 pumps 12 pumps
Figure 77-2 Lubrication Chart
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