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3.9 Maintenance
The DELTABOOSTER is designed to ensure a minimum of maintenance. The following points
should however, be observed in order to secure trouble-free operation.
3.9.1 Service intervals/oil change
"Frequency of system servicing is dependent upon several factors including water temperature and
water quality. We, therefore, recommend that you contact your local service agent for advice."
Change the oil in the pump at each service interval. The pump is supplied with zinc-free hydraulic
oil - “KEW Pump Oil 100”. When replenishing use this or an oil specified to
ISO NO. 100
Viscosity index (VI) min 130
Congelation point lower than -30°C
URGENT: PROTECT NATURE
Waste oil and oil sludge should be removed or destroyed in accordance with local rules and
regulations.
3.9.2 Water filter
There are two filters on the water inlets in order to prevent impurities from entering the high-pres-
sure pumps and thus causing damage. The filters should be cleaned regularly. The frequency
depends on the purity of the inlet water, but daily cleaning would often be required.
Cleaning is accomplished by leaving both inlets open and opening the outlet cocks on filters
(14). The inlet water will then flush away impurities from the filters.
3.9.3 Couplings
In order to prevent leakages and destruction of quick-couplings on hoses, spray handle, outlet
points and spray lances it is urgent to clean them regularly and grease with a little oil or fat.