Hofmann Duolift Gte - 2500 Manual

Roll each column into place on either side of the wheel/tire assembly. The manual requires a minimum distance of 1,200 mm between column centers for stability.

Power failure during lifting:

Vehicle tipping hazard:

Even the best equipment fails. The GTE 2500 manual includes a detailed troubleshooting table. Below are the most common issues and their manual-specified solutions. hofmann duolift gte 2500 manual

| Problem | Likely Cause (from manual) | Solution | |---------|----------------------------|----------| | Column won’t raise, no power light | Blown fuse or tripped breaker | Check building electrical panel. Replace 16A fuse. | | One column raises slower than other | Synchronization cable damaged or unplugged | Inspect cable for cuts. Replace if needed. Ensure plugs are fully seated. | | Motor runs but no lift | Low hydraulic oil or clogged suction filter | Check oil level. Clean suction strainer (manual section 7.4). | | Load drifts downward slowly | Internal cylinder seal failure | Do not use. Contact Hofmann service for seal kit replacement (part # 874-32-110). | | Loud grinding noise when raising | Dry chain or worn sprocket | Lubricate chain. If noise persists, inspect sprocket teeth (manual diagram 9-12). | | Emergency stop won’t reset | Button mechanism stuck | Remove mushroom head, clean with contact cleaner, reinstall. | Roll each column into place on either side

Critical: The manual contains a warning on page 23: “Disassembly of the hydraulic cylinder by unauthorized personnel creates a risk of high-pressure oil injection injuries. Always depressurize the system by cycling the lowering valve with no load before repair.” Vehicle tipping hazard:

Plug each column into a separate, dedicated outlet (same phase sequence). Press the green “power on” button. The red emergency stop must be twisted clockwise to reset.