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6.0 Maintenance
US
A minimum of maintenance ensures prolonged and problem-free operation. It’s a good idea to make a
habit of the following:
Prior to attaching the water hose and the high pressure hose, the quick couplings should be rinsed to
remove dirt.
Prior to attaching the spray lance or other accessories to the spray handle, the machine should be
started and the quick coupling rinsed before insertion into the spray handle.
The machine should be mounted in a frost-free room. If the machine freezes, it must not be started
until it is thoroughly thawed, along with hoses and accessories.
NEVER START A FROZEN MACHINE.
6.1 Oil
The oil should be changed after each 1000 hours’ use.
Remove the cover of the oil reservoir (Pos. 4). Unscrew the drain plug (Pos. 13). Drain the oil and clean
the drain plug of impurities. Reinstall the plug and refill the pump with fresh oil through the oil reservoir.
Holds approx. 1 qt.
From ALTO the pump is filled with zincless hydraulic oil - ALTO Pump Oil 100. When refilling and chang-
ing the oil this or an oil with the following specifications should be used:
ISO no. 100
Viscosity index (VI) min. 130
Pour point below -30°C
6.2 Sludge container / waste tray
As for KSA-1 the used oil is caught in a sludge container (pos. 7), and as for KSA-2 it is caught in a waste
tray (pos. 8). The container/tray should be emptied before it is full; this oil must not be reused in the
pump.
PROTECT THE ENVIRONMENT
Waste oil and oil sludge must be removed and properly disposed of.
6.3 Inlet water screen
To prevent contaminants from entering the high pressure pump, a screen is fitted at the water inlet. De-
pendent on the purity of the water this screen will have to be cleaned at regular intervals.
The screen can be removed by first removing the inlet quick coupling (Pos. 2).
6.4 Clearing of high pressure nozzle
A clogged nozzle causes excessive pump pressure, and clearing is immediately required.
1. Stop the machine and detach the spray lance.
2. Clear the nozzle (a straightened paper clip will work).
IMPORTANT: ONLY clear the nozzle when the spray lance is detached
3. Flush the spray lance backwards with water.
4. If the pressure is still too high, repeat items 1-3.