Complete workshop repair service manual with electrical wiring diagrams for Hitachi ZX70, ZX70LC, ZXZX70-3, ZX70LC-3, ZX70LCN-3, ZX75US-3, ZX75US, ZX75US-A, ZX75UR, ZX85US-3 Excavators. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Hitachi ZX70, ZX70LC, ZXZX70-3, ZX70LC-3, ZX70LCN-3, ZX75US-3, ZX75US, ZX75US-A, ZX75UR, ZX85US-3 Excavators service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

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EXCERPT:
FRONT ATTACHMENT / Cylinder
Removal of Arm Cylinder
1. Insert wooden block (3) between arm cylinder (1) and boom (2).
2. Stop the engine. Push the air bleed button and bleed air from the hydraulic oil tank. Remove the cap. (Refer to BLEED AIR FROM HYDRAULIC OIL TANK on W4-1-1.)
Release the pressure in the arm circuit.
(Refer to HYDRAULIC CIRCUIT PRESSURE RELEASE PROCEDURE on W4-2-1.)
3. Remove nuts (8) (2 used) and bolt (5) from arm (4). : 24 mm
CAUTION: Metal fragments may fly off when a hammer is used. Wear necessary protection, such as goggles and hard hats, in order to prevent personal injury.
4. Start the engine. While operating the boom and the arm, adjust the rod pin hole. Remove pin (7) and thrust plate (6) from arm (4). Lower boom (2) gently.
5. In order not to extend piston rod (9) of arm cylinder (1), pass wire (10) through the piston rod (9) pin hole and secure to the arm cylinder (1) tube.
6. Disconnect hoses (11) (2 used) from arm cylinder (1). Cap the open ends. : 27 mm
7. Disconnect lubrication pipe (12) from arm cylinder (1). : 17 mm
...

Hitachi ZAXIS 70/75/85 Excavators Factory Service & Shop Manual