Part of the Hitachi Repair Manuals.
Wrenching on a Hitachi Zaxis mini excavator? This 447-page Hitachi Zaxis shop manual PDF (OEM #W1LA-E-01) covers the Zaxis 27U, 30U and 35U. Inside: a full torque chart for bolts and nuts, hydraulic circuit and injection pressure specs, track sag and cylinder bore dimensions, and page after page of step-by-step removal and installation procedures. You also get scheduled maintenance intervals, right down to the two-year fuel hose replacement. The counterweight runs 299 kg on the Zaxis 27U and 30U, so plan your lift, and snug the oil filter to 12-16 N·m, three quarters of a turn past gasket contact. Guesswork wrecks threads and warranties. This bookmarked PDF has a real text layer: search any spec by keyword, pull it up on your phone, and get back in the seat.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Length | 438-439 | Arm Connection Dimensions, Bucket Connection Dimensions, Cylinder Head Diameter, Piston Rod Length, Track Sag Specifications |
| Area | 440-441 | Piston Surface Area, Cylinder Bore Area, Valve Seat Contact Width, Conversion Table |
| Mass | 442 | Counterweight Weight, Front Attachment Weight, Bucket Cylinder Weight, Arm Cylinder Weight, Boom Cylinder Weight |
| Pressure | 443 | Hydraulic Circuit Pressure, Compression Pressure, Injection Pressure, Valve Opening Pressure |
| Torque | 444 | Tightening Torque Specifications, Torque Chart, Bolt Tightening, Nut Tightening |
| Temperature | 445-447 | Ambient Temperature, Coolant Temperature, Thermostat Opening Temperature |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Fuel hose (Fuel tank to filter) replacement interval | Every 2 years | p. 50 |
| Oil filter installation | 3/4 of a turn or one turn | p. 351 |
| Oil filter tightening torque | 12 - 16 N·m | p. 401 |
| Canopy Weight | 74 kg | p. 58 |
| ZAXIS27U, 30U | ||
| Counterweight Weight (ZAXIS27U, 30U) | 299 kg | p. 60 |
| ZAXIS35U | ||
| Counterweight Weight, ZAXIS35U | 570 kg | p. 60 |
| ZAXIS27U | ||
| Pump Device Weight, ZAXIS27U | 18 kg | p. 63 |
| Swing Device Weight, ZAXIS27U | 33 kg | p. 104 |
| Travel Device Weight, ZAXIS27U | 36 kg | p. 174 |
| ZAXIS30U, 35U | ||
| Pump Device Weight (ZAXIS30U, 35U) | 21 kg | p. 66 |
| Swing Device Weight (ZAXIS30U, 35U) | 38 kg | p. 104 |
| Travel Device Weight (ZAXIS30U, 35U) | 44 kg | p. 174 |
