PULSAR
®
PLUS III-S, III-S6, and VI-S SUCTION BLAST CABINETS
Page 39
© 2021 CLEMCO INDUSTRIES CORP.
www.clemcoindustries.com
Manual No. 30421
7.18
Diaphragm Pulse Valve
Before servicing the diaphragm pulse valve or
pulse timer, lockout and tagout compressed air
and electrical power, and drain compressed air
from the pulse reservoir. Failure to do so can
cause injury from the release of trapped
compressed air and/or electrical shock.
7.18.1
Loosen the connector screw and unplug the
electrical connector from the timer, as shown in Figure 53.
Figure 53
7.18.2
Remove the four cover screws and remove the
cover, while keeping the diaphragm in place within the
body.
NOTE: Before removing the diaphragm and O-
ring, note the round dimple on the upper left on the
valve body and the position of the triangular shape
on the upper left of the diaphragm, as shown in
Figure 54. When reinstalling the diaphragm, the
marks must be aligned as shown.
Figure 54
7.18.3
Reassemble using the new diaphragm and O-
ring from the service kit, making sure the diaphragm is
correctly aligned, as noted in Figures 54 and 55, and
that the O-ring is seated into the groove.
If the diaphragm or O-ring are installed
incorrectly, it can cause an external leak and
valve malfunction.
7.18.4
While holding the diaphragm and O-ring in
position, place the cover and hold it while tightening the
four screws enough to hold the cover in place.
Figure 55
7.18.5
Tighten the four bolts diagonally to secure. If a
torque wrench is available, tighten to 110 to 122 lbf in.
7.18.6
Reattach the electrical connector to the timer.
O-Ring
Alignment dimple on
valve body.
Alignment triangle on
diaphragm.
O-Ring
Valve Body
Cover
Alignment Dimple
Alignment Triangle
O-Ring
Positioning Extensions
Positioning Recesses
Loosen screw and unplug
connector from timer.
Pulse Timer
Electrical Connector
