Part of the JCB Operator Manuals.
Lifting near the limits of the load charts, with the overload warning system as your backstop, is the hardest job in the 220-page JCB 55Z-1, 57C-1 operator manual PDF (9831/1250), and the book widens from there to every control, attachment and service point on both compact excavators. Instrument panel warnings, the control pattern selector and quickhitch operation each get their own section, and the maintenance schedules take a solid share of the book, setting intervals for slew ring bearings, pivot pins, steel and rubber tracks, and the fuel water separator. Technical data adds weights, digging performance, fuse and relay listings and capacities tables. Fill the engine with 9.1 L of oil and the cooling system with 12 L; the quickhitch runs 265 bar on its high-pressure side. Guess the oil grade and you could buy a pump. Keep the bookmarked, text-searchable PDF in your pocket, on whichever site the machine is working.
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Acronyms Glossary | 11-12 | Controller Area Network, Construction Equipment Security and Registration, Display Electronic Control Unit, Diesel Exhaust Fluid, Engine Control Module, Electronic Control Unit |
| Introduction | 13-18 | General, Owner/Operator Support, Service/Maintenance Agreements, Obtaining Spare Parts |
| About the Product | 19-34 | Description (General, Intended Use, Log Moving/Object Handling, Optional Equipment and Attachments, Danger Zone, Main Component Locations) |
| Operation | 35-118 | Operating Safety (General, Worksite Safety, Risk Assessment), Walk-Around Inspection (General), Entering and Leaving the Operator Station (General, Emergency Exit) |
| Attachments | 119-138 | Working with Attachments, Quickhitch, Rockbreaker |
| Preservation and Storage | 139-144 | Cleaning (General, Preparation), Checking for Damage (General), Storage (General, Put Into Storage, During Storage, Take Out of Storage) |
| Technical Data | 191-213 | Static Dimensions (Weights), Performance Dimensions (Excavator Arm Dimensions and Performance), Noise Emissions (General, Noise Data), Vibration Emissions (General, Vibration Data) |
| Warranty Information | 214-220 | Service Record Sheet |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Auxiliary Pressure - Low flow | 190 bar (2,753.6 psi) | p. 209 |
| Auxiliary Pressure - High flow | 190 bar (2,753.6 psi) | p. 209 |
| System voltage | 12V | p. 206 |
| Engine oil capacity | 9.1L | p. 201 |
| Engine coolant capacity | 12L | p. 201 |
| Hydraulic system capacity | 100L | p. 201 |
| Quickhitch high pressure | 265 bar (3,840.6 psi) | p. 209 |
| Quickhitch low pressure | 32 bar (463.8 psi) | p. 209 |
| 55 Z-1 | ||
| Machine operating weight (400mm rubber track) | 5,366kg | p. 192 |
| 57 C-1 | ||
| Machine operating weight (400mm rubber track) | 5,483kg | p. 193 |

















