⚠️ Important: For fail-secure locks, connect lock power to NC terminal.
After hard reset: IP returns to 192.168.1.200, all users and events deleted.
Based on ramp technician feedback, here are frequent mistakes—and how the manual solves them: tld acu-302-h-cup manual
| Problem | Manual Solution (Section) | |-------------------------------------------|-------------------------------------------------------------| | Cup won’t close fully | Clean dirt from cup slide rails (Section 5.3.1). Then recalibrate close limit switch. | | Tug drives slowly in reverse | Check proportional relief valve pressure (Section 5.7 – set to 1,800 psi reverse). | | Steering feels loose | Adjust steering orbital valve (Section 3.11 – tighten set screw 0.5 turn). | | Aircraft wheel slips inside cup | Replace rubber friction pads (Section 4.2.2). Torque bolts to 22 ft-lbs. |
Many operators make the mistake of assuming all towbarless tugs operate similarly. This is dangerous. The ACU-302-H-CUP has unique features: ⚠️ Important: For fail-secure locks, connect lock power
Without the manual, you risk:
Pro Tip: Always keep a laminated quick-reference card derived from the manual inside the cab for emergency procedures. After hard reset: IP returns to 192
Disposal: Electronic waste – do not discard in household trash. Contact TLD recycling program.