Uploaded June 2026 | Updated September 2026, 7 hours ago

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When power isn’t available, performance shouldn’t stop.

In this Delta Scientific Tech Tip, we walk through how to manually raise a vehicle barrier using Delta’s proprietary hand crank system. With just a crescent wrench, a few bolts, and the included lifting components, operators can safely and efficiently bring a barrier into the road closed position without external power or heavy equipment.

This step-by-step demonstration covers:

Installing the hand crank plate
Using the lifting eye bolt
Mounting the adapter plate and jack
Safely raising the barrier with minimal effort
Leveraging Delta’s counterbalance technology for controlled lowering

Designed for reliability in critical moments, this method ensures your perimeter security system stays operational even in power-loss scenarios.

Whether you're in security operations, facility management, or installation, this quick guide shows just how simple and effective manual operation can be.

💬 Have questions for our engineers? Drop them in the comments.