Kärcher HDS 10/20 M, Руководство по обслуживанию

Страница: 113 / 131

English 5.906-432.0 Rev. 00 (06/15)
113
1 Adjustment screw, high pressure
2 Lock nut, adjustment screw, high pressure
3 Spindle, pressure and quantity regulation
4 Adjustment screw, low pressure
5 Lock nut, adjustment screw, low pressure
6 Housing, overflow valve

Install the test manometer (special tool) to the high-
pressure connection.

Connect the high-pressure hose with gun and rotary
regulator to the test manometer.

Screw in the twist grip of the pressure and volume reg-
ulation on the pump all the way to the stop (towards
"+").

Turn the rotary regulator to the position with the lowest
pressure at the nozzle (towards "-"), open gun and let
the device run.

Pull off the rotary handle.

Loosen the locknut of the adjustment screw for high
pressure.

Turn the adjustment screw high pressure in a way that
the opening pressure of the overflow valve is reached
on the test manometer.
Note
If this screw is turned clockwise, the pressure is increased;
and if it is turned counter-clockwise, the pressure is de-
creased.

After adjustment, secure the adjustment screw high
pressure by means of a lock nut.

Check the working pressure, feed volume and switch
points of the pressure switches.

Seal the adjustment screw for high pressure and the
lock nut with safety lacquer.
Note
The rotary regulator is used to adjust the opening pressure
of the overflow valve.
7.49 Adjusting the working pressure with the rotary regulator on the gun
7.49.1 Setting the maximum working pressure