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TM 11-5820-890-20-2
5-6
5.2.
OPERATIONAL CHECK. Continued
STEP 2. POWER CHECKS:
STEPS TO PERFORM
CHECKS TO MAKE
ACTIONS TO TAKE
2.1
Set PSA CB1 to ON
Set LS 671 CB1 ON
PSA CB1 trips?
NO:
Continue
YES: Go to TS Chart 1
PSA DS1 lights?
YES:
Continue
NO:
Go to TS Chart 2
LS 671 CB1 trips?
NO:
Continue
YES:
Replace LS 671
LS 671 DS1 lights?
YES:
Go to Step 2.2
NO:
Go to TS Chart 3
2.2
Set RT FCTN to Z FH
RT display lights?
YES: Go to Step 3
NO:
Go to TS Chart 4
RT display reads GOOD?
YES: Continue
NO:
Replace RT if it reads other
than GOOD
RT HUB lit?
NO:
Go to Step 3
YES:
Replace HUB
RT HUB still lit?
NO:
Go to Step 3
YES:
Replace RT
2.3
On Battery Tray:
Press S1 switch (TEST) •IN"
Battery Tray DS1 lights?
YES: Go to STEP 3
NO:
Go to TS Chart 5
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