Here is a step by step guide on how to remove monitor 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
Procedures:
1. Set the machine position for inspection and maintenance.
2. IMPORTANT
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).
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).
: 13 mm
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 (22) (4 used).
12. Remove bolts, washers (21) (4 used). Remove monitor controller (20) from cab (23).
: 10 mm
https://www.car-auto-repair.com