en
6.
Initial start-up
.1
Before starting up for the first time
1.
Remove packaging .
2.
Remove the cover plate on the front of the
trolley (four screws) .
3.
Remove the packaging material around the
internal coolant cylinder .
4.
Check shut off valves (Fig . 4; item 2) on
the internal coolant cylinder and shut off
taps (Fig . 4; item 1) on the hose lines to
ensure that they are open . Shut off valves
are opened by turning them anticlockwise .
Taps are open if they are positioned paral-
lel to the flow direction of the hose line .
1
Fig. 4: Internal coolant cylinder
1 Shut off taps
2 Shut off valves
1 689 979 930 (2005-09-23)
2
1
Fig. 5: Vacuum pump
1 Sight glass
5.
Check oil level in vacuum pump sight glass .
The sight glass must be filled at least half-
way with oil (Fig . 5; item 1) .
6.
Replace cover plate and screw down .
.
Filling the internal coolant cylinder
Before the ACS 400/450 can be used, the
internal coolant cylinder must be filled with
liquid coolant (see section 7 .1 "Preparations
for start-up and topping up") . The coolant
R134a UN 3159 must be obtained from the
local gas supplier .
ACS 400/450
Robert Bosch GmbH