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OTC 4033 Vanguard Jr.® Two-Stage, High-Pressure Power Unit - Combines compact size and light weight with 2-stage high performance. Choose from several models with electric motors and many options. Designed for operating pressures up to 10,000 PSI. Vanguard Jr. gives you just what you need: 2-stage flexibility with high performance, and a selection of units and options that lets you tailor the pump to your needs. Refer to the performance and speed tables below, and you’ll see how these pumps cut down the time needed for almost any job. The 2-stage operation automatically matches pump performance to the job requirements. The low-pressure, high-volume stage provides fast ram approach and return. Then at approximately 200 PSI, the high-pressure, low-volume stage takes over to handle high force requirements. These pumps are ideal for hundreds of hydraulic applications such as clamping, bending, straightening, pressing, forming, testing, pushing, and pulling. Each is equipped with a relief valve factory-set at 10,000 PSI (the maximum operating pressure of the pump). Choose from models with electric (115 or 220 volt) motors and options that include remote hand- and foot-operated motor controls, adjustable pressure regulator, and pressure switch. Vanguard Jr. starts easily under load and has been thoroughly field-tested for high cycle reliability. 4033 – Vanguard Jr. two-stage hydraulic pump 115V with 3-position/4-way valve and 6 ft. remote motor control. 1 gal. of oil supplied.
 Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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Product Features
- Two-Stage Hydraulic Pump
- 115 Volt
- 3-Position / 4-Way Valve
- 6 ft Remote Motor Control
- 1 gallon of Oil is Supplied
- For Use With: Double-Acting Rams
- Control Valve: 3-Position / 4-Way
- Reservoir: 0.45 gallon, 104 cu in
- Motor Control: Remote 6 ft cord
Universal Motor Version and Large Reservoir Models
4031, 4033 and 4036 (including 220V) all have a 10,000 PSI pump and universal motor: 1/2 h.p., 12,000 RPM, 115 or 230 volt (specify), 60/50 cycle A.C. single phase. No. 4036 has an extra-large 2-gallon (462 cu. in.) reservoir to permit full stroke of large displacement rams. Also suited for applications where several rams are used.Specifications: See Second Image for Measurement Diagram. Measurement locations are in parenthesis ().- Overall Height (A): 16"
- Overall Width (B): 6"
- Overall Length (C): 8"
- Reservoir Depth (D): 4-3/4"
- Distance Between Mounting Holes (Width) (E): 5-1/8"
- Distance Between Mounting Holes (Length) (F): 7-18"
Performance:
The low-pressure, high-volume stage provides fast ram approach. When high force is needed, the high-pressure, low-volume stage takes over.- Oil Delivery @ 100 PSI: 170 cu in / minute
- Oil Delivery @ 1,000 PSI: 32 cu in / minute
- Oil Delivery @ 5,000 PSI: 25 cu in / minute
- Oil Delivery @ 10,000 PSI: 18 cu in / minute
Speed Comparison: (Fully extend a 10-ton ram with a 10-1/8" stroke)
Pump No.
| 5" travel No Load
| 5" travel Under Load
| Total Time
| 4033
| 4 seconds
| 34 seconds
| 38 seconds
| 4002 Hand Pump
| 141 strokes of pump handle
| 4 to 5 minutes*
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* Handle effort at maximum pressure is 140 lbs.
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