CAMCORP Blower Package with Roots Blower - Manual (Page 62)

50-60 Hanover Road, Florham Park, New Jersey 07932
ASCO Valves
Page 4 of 4 Form No.V7050R1
CAUTION
Adjusting nut will turn
easily until it hits a stop.
DO NOT OVERTORQUE
Enlarged isometric view showing
adjusting nuts for signal settings
low signal
adjusting nut
high signal
adjusting nut
Use 1/4I wrench
for
adjusting nuts
left side, low signal
setting indicator
(indicator set at 75 psig)
right side, high signal
setting indicator
(indicator set at 10 psig)
Electrical connections
are
.187I (3/16) spade type
quick connect terminals
Front view looking directly at
two-stage dual adjustment
switch unit
Figure 3. Adjustment (Signal Setting) of Two-Stage Dual Adjustment Switch Unit.
IMPORTANT
The third digit in Catalog No.
on the switch unit and transducer
unit must be identical.
See example below.
two-stage dual adjustment
switch unit
example
Catalog No. PC6A
tranducer unit
(pressure type)
example
Catalog No. RF0A21
Torque bolts(4) in a
crisscross manner to
80 10 in-lbs [9,0 1,1Nm] +_ +_
low signal
adjusting nut
high signal
adjusting nut
CAUTION
Adjusting nut will turn
easily until it hits a stop.
DO NOT OVERTORQUE
scale provided
with transducer
mounting bracket
optional feature
(order no. PP03)
bolts(4)
Figure 4. Open Frame Switch (Switch Unit and Transducer Unit to be assembled).