Topcon A2677 manual Rate and Pressure

Models: A2677

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X20 Sprayer Reference Manual

Rate and Pressure

Problem

Rate Unstable

Causes

Solutions

Tips

Additional Data

14. Regulator

Tune regulator

All setup steps

Yes, see

settings

settings, check

can be done

Additional

 

correct valve

stationary with

Data, Problem

 

type is selected

manual speed

14, page 18-12.

15. Faulty

Test and repair

Pump may be

Yes, see

pump

pump

sucking air or

Additional

 

 

pulsing due to

Data, Problem

 

 

faulty valves

15, page 18-14.

16. Faulty

Test and repair

Faulty Flow Me-

Yes, see

Flow Meter

Flow Meter

ter (worn out)

Additional

 

 

or below Flow

Data, Problem

 

 

Meter minimum

16, page 18-14.

 

 

rate

 

Problem

Wrong Pressure

Causes

Solutions

Tips

17. Bad Flow Meter

Check Flow Meter

If Flow Meter

calibration

calibration and type

calibration is

 

select

incorrect the

 

 

pressure for the rate

 

 

showing will be out.

 

 

Check nozzle charts

18-6

www.topconpa.com

Page 232
Image 232
Topcon A2677 manual Rate and Pressure