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©HALE PRODUCTS, INC. Our policy is one of continuous development. We therefore
reserve the right to amend specifications without notice or obligation.
Tachometer reads the rotation of the drive
shaft. It reports to the UV SmartCAFS
display in order to meet interlock
requirements for the clutch enable.
• Clutch is not engaging
o Engine speed is too high
o Tachometer has failed
o Harness is damaged.
CAFS OPERATION
SINGLE CHECK: 538-1850-00-0
DOUBLE CHECK: 538-1840-00-0
4” WAFER: 038-1570-04-0
4” WAFER QTWO: 538-00038-001
CAFS CHECK: 114666
The first two check valves isolate the
pump from the foam, while the check
valve after the ARC isolates the air from
the foam. The configuration depends on
the manifold ordered.
• Check Valve failure can result in:
o Foam in the pump body
o Poor CAFS pressure matching
ARC valve controls the air/water ratio for
CAFS operation. It automatically goes to
full open when CAFS is not in operation.
It is CAN controlled by the UV display.
Bypass is installed for fine tuning (factory
set).
• Poor CAFS performance
o ARC is stuck
▪ (Remove actuator and
loosen with ¾” wrench being
careful to keep the valve
orientation the same when
replacing valve.
▪ Grease valve
o No signal to ARC valve
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