Hitachi HT-4139-28 Maintenance Manual page 111

REV0 10.02.15
8.3.34 Replacing the DC Fan
■ Replacing the Package Cover DC Fan
① Read "8.3.2 Replacing Main P/K ASSY (CPS619 P/K)" ①～④and remove the Package Cover.
② Unscrew 2 screws on the DC Fan and Disconnect the connector J7. Remove the DC Fan from the device.
③ Take the reverse steps to attach the DC Fan
■ Replacing the Main Base (R) ASSY DC Fan
① Read "8.3.5 Replacing the Scanner ASSY" ①～⑨ and make the scanner in the same state as the picture
below
② Unscrew 2 screws on the DC Fan, and disconnect the connector J7. Remove the DC Fan from the device.
Take the reverse steps to attach the DC Fan.
Check cable route "8.3.4" and make sure there is enough distance between the Motor Cable and the Ultra
Sonic Sensor Cable. Noise between the 2 could cause errors in the Ultra Sonic Sensor
8.3.35 Replacing the Anti-vibration rubber
① Read "8.3.24 Replacing the Stepping Motor" and replace the Anti-vibration rubber
② Take the reverse step to attach the Anti-vibration rubber.
-H8-48-
Tools Needed: Magnetic Philips Screwdriver (No.2)
#51 DC Fan
Connector J7
screw
Package Cover
screw
#52 DC Fan
Tools Needed: Magnetic Philips Screwdriver (No.2)
screw
Air Direction
screw