Hitachi HT-4139-28, Maintenance Manual

Page: 87 / 126

REV0 10.02.15
-H8-24-
8.3.15 Replacing the Drive Roller
Tools Needed: Magnetic Philips Screwdriver
、
Long Nose Pliers
、
E-ring Removal
①
Remove the Main Cover (L) (R), the Side Cover (L)(R), and the Back Cover. For instructions, please refer to
“8.1 Preparation”
②
Remove the Hopper ASSY. For instructions, please refer to “8.3.7 Replacing Hopper ASSY”
③
Remove the PS ASSY. For instructions, please refer to “8.3.1 Replacing PS ASSY”
④
Unscrew 2 bind-head screws on the Front Guide and remove Front Guide.
Bind-head screw
Connector(PC11
）
Front Guide
Bind-head screw
⑤
Remove the Guide (Lower Mirror), the Cover Glass ASSY. For instructions, please refer to “8.3.14 Replacing
the Cover glass assembly”
⑥
Unscrew 5 bind-head screws on the Lower Guide ASSY
⑦
Disconnect connector PC22
⑧
Disconnect connectors 20L, PC21, and PC31
⑨
Remove Lower Guide ASSY from the device.
side view side view side view side view(Left) (Left) (Left) (Left) side view side view side view side view(Right) (Right) (Right) (Right)
GUIDE（Lower Mirror）
Cover glass
PC22 Connector
Lower Guide ASSY
Bind-head screw
Bind-head screw
Bind-heads
screw