TM 55-1925-282-14&P
0009 00
B From Sheet 1
WARNING:
Take great care
when working around
Open the system
Is any
energized electrical
controller cover, and
indicator
No
equipment. Contact
check for the
illuminated at
between unprotected
presence of 440
the system
body parts and
Vac at Terminals L1,
controller?
electrical conductors
L2, and L3.
can cause serious
injury or death.
Yes
Is 440 Vac
present and
Isolate and
No
available to the
repair the 440 Vac
system controller?
distribution fault.
C To Sheet 1
Yes
WARNING:
Take great care
when working around
A From Sheet 1
energized electrical
equipment. Contact
between unprotected
body parts and
WARNING:
electrical conductors
Take great care
can cause serious
when working around
injury or death.
energized electrical
equipment. Contact
between unprotected
body parts and
Open the system controller
electrical conductors
cover, and check for the
can cause serious
presence of 24 Vdc at the INPUT
injury or death.
24VDC (-) and (+) terminals.
Is
Check for 440 Vac
24 Vdc
at the terminals in the
Isolate and
present and
No
electrical box for the
repair the 24 Vdc
available to
high pressure pump.
distribution fault.
the system
controller?
Yes
Is
440 Vac
present and
No
Notify the maintenance
available to the
supervisor of the defect.
high pressure
pump motor?
Yes
Exit
Procedure 1. No Indication of Power to the ROWPU (Sheet 3 of 3)
0009 00-4