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4.0 Operating instructions US
4.1 Connections
1. High pressure hose - directly on the machine
Max. length of extension hose: 160 ft.
Only use ALTO high pressure hose
Danger of scalding!
Never dismount high pressure hoses at
water temperatures above 120°F
The high pressure hose with imprinted max. working pressure and temperature should be attached to the
outlet connection of the machine (1) by the quick coupling (2).
IMPORTANT: Prior to detaching the high pressure hose, the machine should be stopped and the shut-off
cock closed. Then activate the trigger of the spray handle to relieve the high pressure hose of pressure.
2. High pressure hose - to outlet point
Max. length of extension hose: 160 ft
Only use ALTO high pressure hose
Danger of scalding!
Never detach high pressure hoses at water
temperatures above 120°F
In the case of a pipeline with fixed outlet points, a high pressure hose with imprinted working pressure and
temperature should be attached to the nipple of the high pressure cock (1) by the quick coupling (2). After
attachment, turn the handle of the high pressure cock (3) to open position.
IMPORTANT: Prior to detaching the high pressure hose, or when changing to another outlet point, the
high pressure cock should be fully closed. Then, activate the trigger of the spray handle to relieve the high
pressure hose of pressure.
3. Spray handle - accessories
Clean nipple of any impurities before at-
taching the spray lance.
Pull and hold the blue quick coupling release (1) forward.
Insert the nipple of the spray lance (2) in the quick coupling and allow the release to return to the engaged
position.
„Tug“ the spray lance or accessory lance forward to ensure secure attachment, before starting the ma-
chine. Max. thrust of spray handle and lance - see section 1.2 Technical data.