Simrad SRT User Manual

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Preventive maintenance | SRT LAN radar sensor S-band down-mast Service Manual
Internal inspection of the pedestal
This operation should be performed twice a year.
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 Position the antenna so it is facing the bow of the vessel
5 Unscrew the four cover screws
6 Open the cover fully
7 Check for any signs of water ingress
Connectors and cables inspection
1 Check the condition of all connector contacts (pins and plugs)
2 Clean with dry brush if necessary
3 Repair or replace any corroded or defect parts
Mechanical inspection
1 Check the gear integrity
2 Add a thin coating of grease if the main gear shows lack of lubrication
3 Check that there are no loose screws inside the housing
4 Replace or tighten screws as necessary.
General cleaning
Internal cleaning is necessary only when a visible buildup of dirt is present. Use IPA alcohol if
necessary.
Dry any damp surfaces by using a soft cloth.
Final steps
1 Grease the fastening screws to prevent corrosion and ease future removal
2 Apply a small amount of silicone grease to the O-ring to refresh the water sealing
3 Secure the cover in place
4 Switch the safety switch to the ON position
5 On the R5000 PSU, switch the power switch to the ON position and remove the card reading
WORK IN PROGRESS - DO NOT SWITCH ON
6 On the electric switchboard, set the radar main breaker to ON and remove the card reading
WORK IN PROGRESS - DO NOT SWITCH ON
Magnetron replacement
This operation should be performed as required or before 10000 hours of operation.
Hardware
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 Remove the eight screws securing the cover
4 Remove the cover
5 Remove the Electronics assy. See “Electronics assy disassembly” on page 30
6 Remove the four nuts securing the protective transparent cover on the SRT MOS PCB (A)

Simrad SRT Specifications

General

Brand	Simrad
Model	SRT
Category	Radar
Language	English