When it comes to heavy lifting, positioning, and machinery alignment, the choice between hydraulic jacking systems and conventional manual methods has a significant impact on safety, accuracy, and productivity. Here's how to think through the decision.
What Manual Jacking Involves
Manual jacking typically means mechanical screw jacks, ratchet jacks, or simple bottle jacks operated by hand. For simple lifts to modest heights and loads, they're practical and low-cost. But as loads increase — or where precision placement is required — manual methods have real limitations:
- Load capacity is limited by mechanical advantage and operator effort
- Height increments are coarse and difficult to control precisely
- Simultaneous multi-point lifting is very difficult to synchronise
- Speed is slow; operator fatigue is a real factor on large jobs
- No load monitoring — you're relying on feel and visual cues, not measurements
What Enerpac Hydraulic Jacking Offers
Enerpac hydraulic jacking systems use high-pressure hydraulic cylinders — powered by a pump set — to apply precise, controlled force at a defined point. Key advantages include:
- Very high force in a compact package — Enerpac cylinders are available from 5 to 1,000+ tonnes; the physical size is dramatically smaller than a mechanical equivalent
- Controlled, precise stroke — hydraulic cylinders can be positioned with millimetre accuracy using fine pressure control
- Simultaneous multi-point lifting — multiple cylinders fed from a single pump with synchronised pressure allow level lifting at multiple points simultaneously
- Integrated load monitoring — with pressure gauges or electronic monitoring, the load at each jack point is continuously visible
- Safety — Enerpac cylinders incorporate load-holding valves that prevent inadvertent retraction if a hydraulic line fails
Typical Applications for Hydraulic Jacking
Hydraulic jacking is used across a broad range of industries and applications:
- Machinery installation and alignment — precise levelling of pumps, compressors, gearboxes and machine tools during commissioning or maintenance
- Bridge and structural bearing replacement — lifting deck sections while bearings are replaced or inspected
- Maintenance lifts — raising equipment for access during scheduled or unplanned maintenance
- Skidding and positioning — combined with hydraulic skid systems for moving large loads horizontally into position
- Pre-stressed concrete and post-tensioning — cable tensioning on bridges, buildings and industrial structures
Hire vs Purchase
For one-off or infrequent lifts, hiring Enerpac hydraulic cylinders and pump sets from AD Automation is the most practical approach. Our hire fleet includes a range of cylinder capacities, stroke lengths, and pump sets — short and long-term hire available Australia-wide.
For maintenance teams with regular lifting requirements, owning a set of Enerpac cylinders and a pump set pays off quickly in labour time saved and improved safety. We can advise on the right cylinder sizes, stroke, and pump configuration for your specific application. Browse our hydraulics range or contact us to discuss your requirements.
Get Advice from AD Automation
Not sure which approach is right for your lift? Our team has experience across a wide range of heavy lift and positioning applications — from routine machinery maintenance to complex multi-point structural lifts. We can recommend the right equipment and help you plan your lift safely.
Request a quote or call our technical team on (03) 9798 7522.
