ViewSonic PJ1158-1 Service Manual page 58

3. Detaching and attaching the Panel Fan Duct assembly
When disassembling
Remove 6 screws and unhook the panel fan duct assembly as shown in the diagram.
When assembling
Tighten 6 screws and hook the panel fan duct assembly.
ViewSonic Corporation
Panel fan duct assembly
55
Confidential - Do Not Copy
PJ1158-1