NABCO TLG-103-02 Engine Control PCB

Description

Product Introduction & Engineering Value

A failed engine-control PCB does not always announce itself clearly. A vessel may experience intermittent alarms, unstable control signals, or unexpected system behavior before the actual board failure is confirmed.

The NABCO TLG-103-02 is a dedicated PCB used within NABCO engine control systems. Supplier references identify it as an engine control system PCB, with the key replacement identifiers being TLG-103-02 and 887 73736172.

For maintenance teams supporting long-life marine installations, this type of board is typically replaced at the component level to keep the existing control architecture in service. Exact compatibility should always be confirmed using the installed board label, revision information, and system documentation.

Technical Specifications

Available public references confirm the board identity and application category but do not provide verified electrical specifications such as supply voltage, I/O channels, processor type, or communication protocol.

Field Application & the “Trench” Experience

A chief engineer troubleshooting an aging vessel control system may see an engine-control alarm appear only during certain operating conditions. The first assumption is often a sensor issue or wiring fault.

During a scheduled inspection, the maintenance team identifies the control board as NABCO TLG-103-02. Before replacement, they compare:

• Installed PCB label
• Part number 887 73736172
• Connector arrangement
• Board revision marking
• System cabinet documentation

The replacement board is then installed, tested, and monitored during engine-control operation.

This approach avoids a common mistake: replacing a similar-looking NABCO board that belongs to a different control function.

Typical applications include:

• Marine main engine control system maintenance
• Shipboard automation cabinet refurbishment
• Legacy NABCO propulsion control spare inventory
• Engine-room electronic control troubleshooting

TLG-103-02

TLG-103-02

TLG-103-02

Transparency SOP: QA & Testing

A PCB used in engine control service requires more than a visual inspection.

Inspection procedure:

Step 1 — Identification

• Confirm model: TLG-103-02
• Confirm part number: 887 73736172
• Record PCB markings such as K0860635
• Photograph both sides of the board

Step 2 — Physical examination

• Check PCB surface condition
• Inspect connectors and terminals
• Look for corrosion, oxidation, or heat damage
• Verify components have not been modified

Step 3 — Electrical verification

• Check continuity where applicable
• Verify power circuits according to NABCO documentation
• Inspect protection components

Step 4 — Functional testing

• Install in a suitable test environment when available
• Confirm engine-control functions
• Record test results before shipment

Current supplier listings show TLG-103-02 units available as used or refurbished-type marine spare parts. Some listings include return periods, but these are seller conditions and should not be considered an OEM NABCO warranty.

The Veteran’s Tech Trap Guide

⚠️ Do not purchase by model family only.
The TLG series designation is not enough. Always confirm + 887 73736172 together.

⚠️ Watch the PCB marking.
Some listings reference K0860635. A matching board marking can provide an additional verification point before installation.

⚠️ PRO TIP: Save the original board data before removal.
Take photos of:

• Front label
• Rear connectors
• Revision codes
• Terminal/wiring arrangement

⚠️ A power-up test is not a complete functional test.
A PCB may start normally while having intermittent failures in control signals, communication paths, or degraded components.

Dynamic FAQ

Q1. What is the NABCO ?

The NABCO is a PCB card used in NABCO engine control systems. It is listed with part number 887 73736172.

Q2. What is the NABCO part number?

The associated part number is:

887 73736172

Q3. What does control?

Public supplier information identifies it as an engine control system PCB, but detailed control functions are not published. The exact role depends on the NABCO system configuration where the board is installed.

Q4. Is interchangeable with another NABCO TLG board?

No assumption should be made. Different TLG-series boards may have different hardware functions, firmware, and connector assignments. Confirm using the original equipment documentation.

Q5. Is New Surplus NABCO available?

Availability varies. Current listings show used and refurbished-type units from marine spare suppliers and marketplaces.

Q6. How should buyers verify authenticity?

Request:

• Actual board photographs
• NABCO label image
• Model confirmation
• Part number 887 73736172
• PCB marking/revision information

Do not rely only on catalog images.

Q7. What warranty should buyers expect?

Warranty depends on the supplier. Some marketplace listings provide return periods, but these are seller policies and do not represent an NABCO OEM warranty.

Q8. Can a refurbished be used in a critical vessel system?

Yes, provided the board has been properly inspected, tested, and verified against the installed NABCO system configuration. For safety-related or propulsion-control applications, functional validation after installation is essential.