Hitachi ZX890-7 Excavator Main Controller Removal Guide

This instruction show you guide on how to remove main controller for HITACHI ZX890-7 excavator.


Related Contents:

Hitachi MPDr v2.56 v2.25 Diagnostic Software Free Download

Hitachi Excavator ZX-7 Service Repair Workshop Manual 2021

Hitachi Dr.ZX Excavator Diagnostic Tool Cable



1.Set the machine position for inspection and maintenance.

Set the key switch to the OFF position. Wait 5 minute or longer, and then set battery disconnect switch to the OFF position.
Set the battery disconnect switch to the OFF position.

3.Open door (1).


4.Fold seat (2). Slide seat (2) to the front end.
5.Remove caps (3) (4 used).
6.Remove cover (4).


7.Remove screw (5), screws, washer (6), bolts (15), and washers (16). Remove the cover (14) assembly.
13 mm
8.Remove screws, washers (8) (2 used) and bolts, washer (10).

9.Disconnect connector (17) and connectors (18) (2 used). Remove cover (9).


10.Remove screws, washers (7) (2 used), bolts (12) (2 used), and washers (13) (2 used). Remove the cover (11) assembly. At this time, duct (20) is also removed at the same time.
13 mm


11.Disconnect connectors (24) (6 used).

12.Remove bolts, washers (22) (4 used). Remove the MC (23) assembly.


13.Remove screws, washers (25) (4 used). Remove MC (23) from brackets (21) (2 used)

More repair cases for Hitachi excavator,please refer to:Hitachi Excavator Trouble Repair.

Visited 1 times, 1 visit(s) today