Topic ID: id_16158040
Version: 2.0
Date: Nov 7, 2019 8:53:51 PM

Fuse Board Assembly Replacement

Prerequisites

Table 4. Safety

danger

Electrocution hazard
High Voltages present.
Use proper lockout/tagout procedures before replacing components. See safety menu of Service Document gui for appropriate procedures.

danger

CRUSH HAZARD.
UNEXPECTED GANTRY ROTATION CAN CAUSE SERIOUS INJURY.
Use the gantry rotation lock to lock out gantry rotation. See safety menu of Service Document gui for appropriate procedures.

Notice Image

notice

Follow ALL required safety and PPE procedures customary for your organization when working on this product.

Overview

1 Fuse Board Removal

Procedure

Notice Image

notice

Follow ALL Electro-Static Discharge procedures. Always use ESD Wrist Strap and grounding cords. The use of a ground Monitor is suggested

Position the table to its lowest position.
Remove the gantry right side cover.

Notice Image

notice

Always turn OFF the HVDC before the 120VAC. Turning OFF 120VAC power before HVDC power can result in equipment damage.

Turn OFF Axial Enable, HVDC, and 120VAC switches on the Service Switch panel.
Remove the gantry top and front covers.
Position the DAS at the 12 o'clock position.
Lock the gantry in position using the rotational lock.
Disconnect all cables connectors on the fuse board.
Remove four (4) M4 screws on plastic cover and remove the cover.
Remove five (5) M5 screws on fuse board.
Remove fuse board place into anti-static bag.

2 Fuse Board Installation

Procedure

Get new Fuse Board from anti-static bag.
Secure fuse board by using four (4) M4 screws and torque to 2.3Nm.
Secure plastic cover by using five (5) M5 screws and torque to 2.3Nm
Reconnect all cables connectors on the fuse board.
Disengage the rotational lock.
Turn on Axial Enable, HVDC, and 120VAC switches.

3 Finalization

No finalization steps.