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Hardi NAVIGATOR 3500 Instruction Book

Hardi NAVIGATOR 3500
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7.1
7 - Fault finding
Operational problems
General info
In cases where breakdowns have occurred, the same factors always seem to come into play:
1. Minor leaks on the suction side of the pump will reduce the pump capacity or stop the suction co mplet
ely.
2. A clogged suction filter will hinder or prevent suction so that the pump does not operate satisfactorily.
3. Clogged up pressure filters will result in increasing pressure at the pressure gauge but lower pressure at the no
zzles.
4. Foreign bodies stuck in the pump valves with the result that these cannot close tightly against the valve seat. This
reduces pump efficiency.
5. Poorly reassembled pumps, especially diaphragm covers, will allow the pump to suck air resulting in reduc
ed or no
capacity.
6. Hydraulic components that are contaminated with dirt result in rapid wear to the hydraulic system.
7. Poor power supply causes failures and misbehavior to the electrical system.
There
fore ALWAYS check:
1. Suction, pressure and nozzle filters are clean.
2. Hoses for leaks and cracks, paying particular attention to suction hoses.
3. Gaskets and O-rings are present and in good condition.
4. Press
ure gauge is in good working order. Correct dosage depends on it.
5. Operating unit functions properly. Use clean water to check.
6. Hydraulic components are maintained clean.
7. Check tractor batteries and keep connect
ors clean.

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Hardi NAVIGATOR 3500 Specifications

General IconGeneral
BrandHardi
ModelNAVIGATOR 3500
CategoryPaint Sprayer
LanguageEnglish

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