Hitachi ZX890-7 Excavator Monitor Controller Removal Guide

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

2021 Hitachi MPDr 3.15.0.0 MaintenancePRO Download

Hitachi Workshop Service Manual 2019 PDF Download

Removal of Monitor Controller
1. Set the machine position for inspection and maintenance. (Refer to Preparation before Inspection and Maintenance in
the separate Workshop Manual.)
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).

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.
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.

11. Disconnect connectors (22) (4 used).
12. Remove bolts, washers (21) (4 used). Remove monitor controller (20) from cab (23).

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