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Electrical Crossover Setup (Model 970160)
The electrical crossover is setup as shown in Fig. 4
and the Unloader Crossover (1) must be connected to
a 120 Volt, 60 Hz supply.
During system operation, as the ram approaches the
drum bottom, the top of the ram contacts the limit valve
switch. The switch shuts off the air to one ram, and
starts the other ram. This allows constant material flow
and changing out of material drums.
2
A
5
3
Detail A
Fig. 4
10
310334
System Setup
Electrical Crossover Setup (Model 970160)
1
4
The position of the empty level indicator kit (2) on the
ram determines when the ram air motor is turned on
and off. During operation, this position can be adjusted
as desired. See Fig. 4.
The crossover panel has a Prime Empty Pump button.
When making a change of material barrels, this button
must be pushed after the ram is in the new drum of
material and the majority of air has been removed via
the follower bleed stick. After pushing the button, open
the pump bleed valve slowly until all air escapes and
only material flows (minimum of 4 pump cycles). The
standby pump air shuts off automatically after 5 min-
utes.
A
KEY
1
Unloader Crossover
2
Empty Level Indicator Kit (2)
3
3/4 in. npt Muffler
4
Solenoid Valve
5
3/4 in. Hex Nipple
2
8584A
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