Replacing Maintenance Parts - Hitachi HT-4139-28 Maintenance Manual

REV0 10.02.15

8.3 Replacing Maintenance Parts

After procedure, make sure to follow the steps in 4.2
8.3.1 Replacing the PS ASSY
① Remove, the Top Cover, the Main Cover (L) (R), the Side Cover (L) (R), and the Back Cover
For instructions, please refer to "8.1 Preparation"
② Unscrew 5 bind-head screw ( loosen 3, unscrew 2) from the Package Cover. Remove the Fan Connector
(J7). For instructions, please refer to "8.3.2 Replacing Main P/K ASSY (CPS619 P/K)"
③Disconnect connector J2, connector J21, connecter J3 connected to the Main P/K ASSY (CP619 P/K).
Connector(J3)
Push both side of c onnector
and disconnect
Connector(J21)
Lift a little gripping
the connector and remove
Connector(J2)
Push both side of c onnector
and disconnect
Connector(J7)
Push both side of c onnector
and disconnect
④ Unscrew 2 bind-head screws on the PS ASSY (electric power unit)
⑤ Pull the PS ASSY (electric power unit) out by sliding it in the direction of the arrow
-H8-10-
MAIN P/K ASSY(CPS619 P/K)、DRV P/K ASSY(CPS614 P/K)
Remove the cable
set-in
#21 PS ASSY
Tools Needed: Magnetic Philips Screwdriver (No.2),
Long-nose Pliers
Bind-head screw
#24(28)
#25(48)
MAIN P/K ASSY
(CPS619 P/K)
#23
DRV P/K ASSY
(CPS614 P/K)