Mitsubishi Electronics Figur e 4: Lower Duct Rear Mounting Screw, Figure 5: Lower Duct Front Mounting Screw LOWER DUCT REMOVAL, ENGINE Replacement (Reverse the Removal Procedure)

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MODELS: WD-60C9 / WD-65C9 / WD-73C9 / WD-60737 / WD-65737 / WD-73737 / WD-82737
WD-65837 / WD-73837 / WD-82837
Figur e 4: Lower Duct Rear Mounting Screw
Figure 5: Lower Duct Front Mounting Screw
LOWER DUCT REMOVAL
1 ) Remove Upper Duct, Fans, Fan Holders, Thermal Sensor and Lamp Cartridge. See previous page.
2 ) Remove the 2 screws (C) one in front and one in the rear of the lower duct, refer to Figures 4 and 5.
3 ) Carefully remove the lower duct from the Engine.
ENGINE Replacement (Reverse the Removal Procedure)
1) Install Duct Assembly on the new Engine.
2 ) Remove the Protective Lens Cover from the face of the Lens and place it on the old Engine.
3) Install the Engine Assembly in the cabinet.
4 ) After a new Engine is installed, perform the “Restore Index Delay” and “Save Engine and Geometry Setting
to Backup” procedures as described in the Data T ransfer section of the Service Adjustments.
5 ) If needed. perform the Horizontal and V ertical Centering Adjustment and Manual Geometry Alignment
described in Service Adjustments.
OPTICAL ENGINE REPLACEMENT (Continued)
C
DUCT
UPPER
OPTICAL
ENGINE C
DUCT
LOWER