54 HARDI
®
NAVIGATOR 550M, 800M, 1000M CENTRIFUGAL OPERATOR'S MANUAL
6.0 OFF-SEASON STORAGE
When the spraying season is over, you should de vote some extra time
to the Spray er. If chem ical res idues are left over in the spray er for long
periods, it can reduce the life of the individual com ponents. To pre serve
the sprayer and pro tect the com ponents, carry out the following off-
season stor age pro gram:
1. Clean the sprayer completely - inside and outside - as described
under "Cleaning The Spray er" (Section 5.1). Make sure that all
valves, hos es and auxiliary equipment have been cleaned with
detergent and fl ushed with clean wa ter afterwards, so no chem ical
residues are left in the sprayer.
2. Re place any damaged seals and repair any Ieaks.
3. Empty the sprayer com pletely and let the pump run dry, only for a
few seconds. Operate all valves and handles to drain as much water
out of the spraying circuit as pos sible. Let the pump run until air is
coming out of all nozzles. Re member to drain the fl ush tank also.
Note: Do not run pump dry for longer than 3 seconds. Otherwise
severe damage to the pump will occur.
4. Pour appr. 13 gal. (50 liters) antifreeze mixture con sisting of 1/3
automotive antifreeze and 2/3 water into the tank.
5. En gage the pump and op er ate all valves and func tions on the
MANIFOLD system, ESC unit, CHEM FILLER etc. al low ing the
antifreeze mix ture to be distributed around the en tire circuit. Open
the ESC main on/off switch and distribution valves so the an tifreeze
is sprayed through the nozzles as well. The an tifreeze will also
pre vent O-rings, seals, di aphragms etc. from dry ing out.
6. When the sprayer is dry, re move rust from any scratch es or
damages in the paint and touch up the paint.
7. Lubricate all lubricating points according to the lu bri cating scheme
regardless of intervals stated.
8. Re move the glycerine-fi lled pres sure gaug es and store them in a
vertical position in frost free con ditions.
9. Apply a thin layer of an ticorrosive oil (e.g. SHELL ENSIS FLU ID,
CASTROL RUSTILLO or sim ilar) on all metal parts. Avoid oil on
rubber parts, hoses and tires.
10. Fold the boom in transport po sition and re lieve pres sure from all
hydraulic func tions.
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