Graco 970063 Instructions-Parts List Manual page 12

Low–Level Shutoff Setup (Model 970149)
Setup the low–level shutoff as shown in Fig. 6. See
also manual 310294.
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 the air motor.
KEY
A 3–Way Pilot Valve
B Air Limit Valve
C Limit Valve Bracket
Fig. 6
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System Setup
Low–Level Shutoff Setup (Model 970149)
A
NOTE: The position of the air limit valve (B) 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. 6.
B
C
8890A