TRS Advanced WB Intel Issue 02.pdf - 第39页

Issue 2, Nov 14 TRS Advanced Maintenance 39 • Locate the datum edges of the bearing pockets. • Check the bearings are against the datum, using a 0.05mm feeler gauge. It is difficult to check gap between bearing datum edg…

TRS Advanced Maintenance

Issue 2, Nov 14

Objective 14: Replacement of the Rail Cap Bearings

• Care should be taking whilst removing the current bearing from the rail cap assembly. Lift

the bearing assembly with the “bearing locating retainer”, damage may occur on the

retainers.

Note

For old design of the rail cap assembly only.

• When fitting the bearings to the rail cap orientate them as shown below:

Bearing Locating

Retainer

Issue 2, Nov 14

TRS Advanced Maintenance

• Locate the datum edges of the bearing pockets.

• Check the bearings are against the datum, using a 0.05mm feeler gauge.

It is difficult to check gap between bearing datum edge and the datum edge on the rail

cap for bearings with “bearing locating retainers”. Make sure that when fitting these

bearings; gently push them towards datum edge without damaging the retainers.

Note

For old design of the rail cap assembly only.

Datum Edges

0.05mm Feeler

Gauge

Datum Edge

TRS Advanced Maintenance

Issue 2, Nov 14

Objective 15: Rail at Tooling (RAT) Vane Setup

Set the RAT vane from the rear of the rail cap assembly, carry out the following:

- In Diagnostics, drive the rising table to VISION Height.

- Go to the System, highlight and select Display All Digital Inputs.

- Select Node 19 Group 0 to set up RAT sensor operation.

- Adjust the RAT sensor vane by adjusting M3x20 button head screw clockwise or anti-

clockwise so that it just triggers the sensor state to OFF in Diagnostics display.

NOTE

When adjusting sensor keep pressure on the screw.

- Rotate the screw anti-clockwise until sensor states just changes to ON.

- Rotate the screw anti-clockwise extra one 1/4 turn.

Viewed from Rear of the TRS Unit

Rail Cap Assembly

M3x20 Button

Head Screw