- Topic ID: id_11039056
- Version: 3.0
- Date: Jan 27, 2022 12:50:49 AM
Vyper DAS Air Filter Replacement
Prerequisites
This procedure defines the replacement process for DAS air filter.
1 Air Filter Removal
Procedure
- Move the table cradle to the home position, and position the table to its lowest elevation.
- Remove the table foot switch cover.
- Remove the gantry right side cover.
- notice
- Turn OFF Axial Enable, HVDC, and 120VAC switches on the service switch panel.
- Remove the rest of the gantry covers except the gantry rear cover.
- Turn ON the 120VAC switch and rotation the DAS at 12 o’clock position.
- Turn OFF the 120VAC switch and lock the gantry in position using the rotational lock.
- Disconnect the fan control cable connector and the sensor cable connector from the Vyper fan duck cover ASM.
- Remove the Vyper fan duck cover ASM by unscrewing its M6x12
head cap screws by a
on the Vyper Fan Duck Cover.Figure 1. Remove the Vyper Fan Duck Cover ASM

- Remove the Vyper DAS air filter by unscrewing its M6x4 red head
cap screws on the Vyper plenum plate.
Figure 2. Vyper DAS Air Filter Removal

![]() |
2 Air Filter Installation
Procedure
- Secure the new air filter to the Vyper plenum plate by screwing four M6 screws. (Torque: 7.9N-m + Loctite243)
- Reinstall the Vyper fan duct cover asm by screwing all M6 screws (Torque: 7.9N-m).
- Reconnect the fan control cable connector and the sensor cable connector to the Vyper fan duck cover asm.
- Disengage the rotational lock.
- Restore the gantry original configuration.
