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252 Power Management Unit Disassembly and Reassembly TB8100 Service Manual

14.3 Screw Torque Settings

The recommended torque settings for the screws used in the PMU are as

follows:

14.4 Removing the Top and Bottom Covers

1. Remove the four M3 Torx screws securing the top cover to the front

and rear panels. Lift off the top cover.

Note If the top cover is difficult to

move, we suggest you lift one

end of the cover away from the

end panel with a flat-blade

screwdriver. The cover should

then be loose enough to lift off.

2. Turn the PMU over and remove

the four M3 Torx screws securing

the bottom cover to the front and

rear panels. Lift off the bottom

cover.

Location / Function Torque Driver Size

■ securing the front and rear panels to

the heatsinks

■ securing the AC and DC converter

boards to the heatsinks

■ securing the bus bars to the DC

converter board

2.0N·m / 18lbf·in T20 M4

■ securing the top and bottom covers

to the front and rear panels

■ securing the handle to the front

panel

■ securing the DC input filter card to

the bus bars

0.5N·m / 4.5lbf·in T10 M3

securing the 500W DC transformer

primary wires into their terminals

1.8N·m / 16lbf·in flat blade

Tait TB8100 Service Manual

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