Roche COBAS 91xx Clinical Chemistry Analyzer Series Service Manual – PDF Download
$27.95
Factory Service Manual for Roche COBAS 911 / 912 / 913 / 914 / 918 analyzers, covering diagnostics, calibration, maintenance, error codes, and electronic schematics.
Includes troubleshooting charts, adjustment procedures, and mechanical component diagrams used in laboratory service operations.
Description
Roche COBAS 91xx Clinical Chemistry Analyzer Series Service Manual – PDF Download
Description
⚙️ Overview
The Roche COBAS 91xx Service Manual provides full maintenance and calibration documentation for the COBAS 911 / 912 / 913 / 914 / 918 clinical chemistry analyzers.
These systems are part of the COBAS Integra family, designed for automated biochemical assays in clinical laboratories.
This factory manual, issued by Roche Diagnostics GmbH, contains both mechanical and electronic service instructions to ensure stable and accurate analytical performance.
IMAGES:

🧩 Main Sections
Safety & Warnings – Electrical isolation, reagent handling, and biohazard precautions.
System Overview – Analyzer layout, modules (pipetting arm, photometer, cuvette rotor), reagent cooling, and liquid management.
Service Preparation – Connection procedures, transport locks, startup and shutdown sequences.
Diagnostics & Self-Test – Built-in test routines, calibration validation, optical alignment, and photometer zero adjustment.
Modules & Boards –
Main CPU, power supply, I/O control, cuvette transport, and mixing motor units.
Board-level schematics with signal flow diagrams.
Error Handling –
Fault codes with cause and remedy (e.g., reagent pump fail, temperature deviation, photometer fault).
Log retrieval and system status report procedure.
Calibration & Maintenance –
Periodic calibration of pipettors, syringe drive alignment, and lamp intensity adjustment.
Preventive maintenance intervals, lubrication points, and cleaning solutions.
Replacement Procedures –
Cuvette rotor, sample probe, lamp housing, I/O relay board.
Reagent line flushing and peristaltic pump replacement.
Electrical & Hydraulic Schematics – Full wiring diagrams, sensor layout, and hydraulic routing.
Appendices – Error code tables, spare parts list, alignment jigs, and firmware update notes.
🧠 Technical Data
| Parameter | Specification |
|---|---|
| Models Covered | COBAS 911 / 912 / 913 / 914 / 918 |
| Power Supply | 100–240 V AC ±10 %, 50/60 Hz |
| Dimensions | Approx. 125 × 75 × 130 cm |
| Weight | ~180 kg |
| Operating Temp. | 15–32 °C |
| Control Software | COBAS Integra OS v4+ |
| Communication | RS-232, LIS interface |
| Manufacturer | Roche Diagnostics GmbH |
📄 File Details
| Parameter | Details |
|---|---|
| File Name | 421701029-Roche-91xx-Service-Manual.pdf |
| Manual Type | Service & Maintenance Manual |
| Edition / Year | Rev. 2 (2008) |
| Language | English |
| Pages | ≈ 192 pages |
| File Size | ≈ 9.06 MB |
| Format | Searchable PDF (OCR enabled) |
| Quality | Factory scan + schematics |
| Delivery | Instant Digital Download |
💵 Price: $39.95
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