Hitachi Excavator Repair Guide: How to Remove GSM for Hitachi ZX890-7 Excavator

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

Procedures:
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.

2021 Hitachi MPDr 3.15.0.0 MaintenancePRO Diagnostic Software
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 (19) is also removed at the same time.
: 13 mm

11. Remove bolts, washers (21) (2 used). Remove Bracket (20).
: 13 mm

12. Disconnect connectors (25) (2 used). (Refer to "Instructions for Disconnecting Connectors"T5-1-7)