44
Plumbing Troubleshooting Chart
SYMPTOM
POSSIBLE CAUSE
POSSIBLE SOLUTION
Loses pressure in
MANUAL
• Pump Air-lock
• Clean strainer
• Larger hoses
Little or no pressure
adjustment in MANUAL
• Too much restriction in servo loop
•
Larger hoses and fittings
• No sharp bends
Pressure won’t go high
enough in MANUAL
• Pump starved or too small
• Too much agitation
• Throttle, range adjust or pressure relief valves
• Larger hoses
• Reduce agitation
• Adjust
Pressure, Speed and
Spray Rate don’t check
out according to charts
• Inaccurate pressure reading
• Dirty or worn tips
•
Use a different gauge and check
each boom.
• Clean or place
Pressure always goes
too high in AUTO
•
Minimum flow rate too high
• Inline/Bypass setting
• Re-calibrate
• Set appropriately
Pressure fluctuates
greatly in AUTO
• Sagging or kinked hoses
• Throttle valve too far closed
• Pump starved or too small
• Valve response speed set too high (“Special” Cal)
• Support or replace hoses
• Adjust throttle and range valves
• Larger hoses
• Larger pump
• Clean strainer
• Reduce valve speed setting
Summary of Contents for DUAL CONTROL MT-3405D
Page 1: ...REFERENCE MANUAL DUAL CONTROL AUTOMATIC RATE CONTROLLER MT 3405D ...
Page 47: ...Appendices 47 ...
Page 82: ...82 NOTES ...
Page 83: ......