Idex Hale Sam, Technical Manual

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2.4. Principles Of Operation
This section provides the principles of operation (description of the key SAM components) for
maintainers to use when troubleshooting or communicating with an OEM/apparatus manufac-
turer or a Hale Customer Support representative.
2.4.1
System Power
SAM system power consists of an OEM connection stud for battery POSITIVE (+12 VDC) and an
OEM connection stud for battery NEGATIVE (ground/system ground/return). The OEM connection
stud for battery NEGATIVE is located in the pump body while the stud for battery POSITIVE is lo-
cated on the side of the circuit breaker box (see paragraph 4.10.6.1.1, page 118, for legacy loca-
tions). The OEM connections are required to be sized to supply 125 Amps to the SAM system.
2.4.1.1
Circuit Breaker Box
Refer to FSG-PL-01507 for connector to harness, circuit breaker to component, and circuit
breaker part number information. See section 4.10.6 for all other circuit breaker assembly infor-
mation.
2.4.2
System Modules
SAM system consists of the modules described in the following subparagraphs. See the following
SAM system diagrams for SAM module connectivity and general system level information:
Figure 14 (page 17)
Figure 15 (page 18)
Figure 16 (page 19)
Figure 17 (page 20)
Figure 18 (page 21)
See section 4.8 (page 91) for all other module information.
2.4.2.1
AFS Sensor
The SAM system utilizes one [1] sensor module. The modules primary function is to place the an-
alog/digital sensors outputs on the CAN bus. The module is tested with the pump at the factory
and contains the pump serial number, pump test data, and build plate information.
See paragraph 4.8.2 (page 95) for all other sensor module information.
2.4.2.2
AFS MIV–A
The SAM system utilizes one [1] MIV–A module to support the operation of up to three [3] Hale
master intake valves (LH, RH and front). When the SAM system includes more than three Hale
master intake valves, a second (slave) MIV–A module is required. The master MIV–A handles the
hydrant and priming functions for up to three [3] Hale MIVs and the slave MIV–A is added to han-
dle the same functions for the additional MIV(s).
See paragraph 4.8.3 (page 97) for MIV–A module R&R information.
See paragraph 4.12.5 (page 140) for instructions to address the slave MIV–A module.
2.4.2.3
MatrIIX Pressure Governor
The SAM system utilizes one [1] matrix pressure governor module. The module interfaces to the
apparatus engine bus and performs governor functions.
See paragraph 4.8.1 (page 92) for all other sensor module information.