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Fault repair | SRT LAN radar sensor S-band down-mast Service Manual
9. Remove the Bearing reader PCB (B)
B
A
10. In order to install the new bearing reader PCB, perform the removal steps in reverse order
11. Switch the safety switch to the ON position
12. On the R5000 PSU, switch the power switch to the ON position and remove the card reading
WORK IN PROGRESS - DO NOT SWITCH ON
13. On the electric switchboard, set the radar main breaker to ON and remove the card reading
WORK IN PROGRESS - DO NOT SWITCH ON
Brushless motor replacement
1. On the electric switchboard, switch OFF the radar main breaker and place a card reading
WORK IN PROGRESS - DO NOT SWITCH ON
2. On the R5000 PSU, switch the power switch to the OFF position and place a card reading
WORK IN PROGRESS - DO NOT SWITCH ON
3. Switch the safety switch to the OFF position
4. Remove the six nuts securing the motor side cover
5. Move the cover towards the outside
¼ Note: When the covers are free ensure that the safety chain is properly anchored both to the
covers and the structure of the pedestal.
6. Open the cover
¼ Note: The covers should be supported by the chain. The top housing is very heavy and if
unsecured and accidentally allowed to close, it could cause serious injuries.
7. Remove the cabling connectors taking note of their position
8. Remove the two screws securing the motor unit (A)
9. Partially unscrew the two screws (B)
10. Remove the motor unit (C)
11. Rotate the driving gear until the head of the screw isn’t visible anymore in the hole on the
gearbox (D) and partially unscrew it.
¼ Note: Do not remove the screw.
12. Unscrew the four screws securing the brushless motor (E)
13. Remove the brushless motor (F)
C
B
A
D
E
E
F
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