Product Description
The Model 706A Fixed Height Tripod Shoring Jack is an ultra-heavy-duty 18-ton capacity, single-stage hydraulic jack specifically engineered for Boeing 747 wing tip maintenance. Featuring a spring-centered cylinder assembly with ball-and-socket pivot, this jack provides exceptional stability during critical shoring operations. The 88″ hydraulic lift combined with 12″ extension screw allows precise height adjustments, while the dual relief valve system (thermal + mechanical) ensures maximum safety. With Skydrol-resistant yellow paint, corrosion-resistant plating, and three-year warranty, this professional-grade solution delivers unmatched performance for jumbo jet maintenance.
Technical Specifications
Performance Data
| Parameter | Specification |
|---|---|
| Capacity | 18 tons (16.4 m.t) |
| Low Height | 190″ (4826 mm) |
| Extended Height | 290″ (7366 mm) |
| Hydraulic Lift | 88″ (2235 mm) |
| System Pressure | 1840 psig (130 kg/cm²) |
| Reservoir Capacity | 9.5 gallons (36L) |
Safety Systems
-
Primary Relief Valve: 19.8 tons
-
Thermal Relief Valve: 22.6 tons
-
Proof Load: 27 tons (150%)
-
Dual Seal System: Primary + secondary seals
Configuration Options
Standard Features
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Three-position manual hand pump
-
Heavy-duty tow handle with swivel locks
-
Integrated rain protection
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Hard chrome-plated cylinder bore
-
Spring-centered cylinder pivot mechanism
Premium Upgrades
| Code | Option | Key Benefit |
|---|---|---|
| AP | Air-operated pump | Reduced operator effort |
| GA | Load gauge | Real-time weight monitoring |
| AF | Adjustable feet | Uneven surface compensation |
| LA | Ladder/platform | Maintenance access |
Aircraft Compatibility
Primary Applications
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Boeing: 747/747-8 (wing tip shoring)
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Other: Large aircraft maintenance applications
Packaging & Shipping
Domestic Options
| Configuration | Dimensions | Weight |
|---|---|---|
| KD | 190×40×56″ | 2150 lbs |
International Options
| Configuration | Dimensions | Weight | Surcharge |
|---|---|---|---|
| ECKD | 192×45×59″ | 2650 lbs | +23% |
