Liquid System - Hardi NAVIGATOR 3000 Supplement To Instruction Book

3 - Description

Liquid system

General info - valve system
All functions of the spray circuits are operated via the centrally situated valve system with color coded pictorial symbols for
easy operation.
Pump
Diaphragm pump with easily accessible valves and diaphragms. Model 1303 with 3 diaphragms, 540 r.p.m. (6 splines). Model
363 or 463 with 6 diaphragms. Standard = 540 r.p.m. (6 splines). Optional = 1000 r.p.m. (20 or 21 splines).
Valves and symbols
The valves at the valve system are distinguished by colored identification discs on the function labels. Symbols
corresponding to every possible function of use are located on the discs for easy identification and operation. A function is
activated by turning the handle towards the desired function.
˜
ATTENTION! If a valve is too tight to operate - or to loose (= liquid leakage) - the valve needs to be serviced. Please see
the section 'Maintenance' for further information.
Suction valve = Blue symbols
This valve is to select suction from main tank or from the flush tank. The
handle is turned so the label for required function is directed to the
indicator. If handle is turned to vertical position (indicator not pointing
at a label) then the valve is closed.
Suction from main tank
Pressure valve = Green symbols
The active function is indicated by the indicator.
Spraying
External tank cleaning
(Spray gun)
(optional equipment)
3.4
Suction from flush tank
(optional equipment)
Internal tank cleaning
(Rinsing nozzle) (optional
equipment)