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- Last added
- 2026-09-28
Featured Hohner manuals
Hohner CHM-xxx Series Geolograph Air Line Retriever Operation and Maintenance Manual
The Geolograph Air Line Retriever is a passive device used for cable handling on drilling rigs. It complies with Machinery Directive 2006/42/EC and ATEX zones 1, II 2 Gc, Ex IIB T3/T4 Gb, and must be installed on a flat, grounded surface.
The document covers installation steps, normal usage, failure modes, routine maintenance, shutdown procedures, technical data, troubleshooting and a full exploded parts list, helping qualified personnel keep the unit safe and operational.
Covers: Safety Warnings · Installation · Normal Usage · Failure Mode · Maintenance · Shutdown
Latest Hohner manuals
Hohner CHM-xxx Series Geolograph Air Line Retriever Operation and Maintenance Manual
Service Manual 10 pages · 1.3 MB · ENThe manual provides safety, installation, operation, maintenance and troubleshooting instructions for the Hohner CHM-xxx Series Geolograph Air Line Retriever.
Which document do I need?
Service Manual
Disassembly, diagnostics and part numbers, for repair.
Questions answered in Hohner manuals
What air pressure should be used for the device?
The device should be supplied with compressed air between 4 and 7 bar, with 4 bar being the typical operating pressure.
From: Hohner CHM-xxx Series Geolograph Air Line Retriever Operation and Maintenance Manual
How often must the timing belt be inspected or replaced?
The timing belt should be inspected and, if necessary, replaced at least every six months to ensure safe operation.
From: Hohner CHM-xxx Series Geolograph Air Line Retriever Operation and Maintenance Manual