Hardi Navigator Series User Manual

19
HARDI NAVIGATOR
Troubleshooting
In cases where breakdowns have occurred, the same
factors always seem responsible:
• Minor leaks on the suction side of the pump will
reduce the pump capacity or stop the suction com-
pletely.
• A clogged suction filter will hinder or prevent suction
so that the pump does not operate satisfactorily.
• Clogged up pressure filters will result in increasing
pressure at the pressure gauge but lower pressure at
the nozzles.
• Foreign bodies stuck in the pump valves results in
these valves not closing tightly against the valve
seat. This reduces pump efficiency.
• Poorly reassembled pumps, especially diaphragm
covers, will allow the pump to suck air, resulting in
reduced or no capacity.
• Hydraulic components that are contaminated with dirt
result in rapid wear to the hydraulic system.
Therefore always check:
1 Suction, pressure and nozzle filters are clean.
2 Hoses for leaks and cracks, paying particular atten-
tion to the suction hoses.
3 Gaskets and O-rings are present and in good condi-
tion.
4 Pressure gauge is in good working order (Correct
spray dosage depends on it).
5 EC operating unit functions properly. Use clean
water to check.
6 Hydraulic components are maintained, clean and
free from leaks. Refer to the boom operator’s manual
supplied with your sprayer documentation, either
FALCON or EAGLE PARALIFT Boom Operator’s
Manual .
Preparation after off season storage
After a storage period the sprayer should be prepared
for the next season the following way:
1 Remove the cover.
2 Remove the support from the wheel axle and adjust
the tyre pressure.
3 Wipe off the grease on the hydraulic ram piston rods.
4 Fit the pressure gauges again (seal with teflon tape).
5 Connect the sprayer to the tractor including hydrau-
lics and electrics.
6 Check all hydraulic and electric functions.
7 Empty the remaining anti-freeze from the tank (If
used).
8 Rinse the entire liquid circuit of the sprayer with
clean water.
9 Fill with clean water and check all functions.

Hardi Navigator Series Specifications

General

Tank Capacity	2400 to 6000 liters (depending on model)
Pump Type	diaphragm pump
Wheel Track Adjustment	Hydraulic or mechanical
Nozzle Spacing	50 cm
Weight	Varies depending on model and options; check specific model specifications