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Introduction Product Description— H-4156M The Humboldt H-4156M CBR-Specific Load Frame Set has been designed to provide labs with a single-speed load frame specifically designed to do California Bearing Ratio (CBR) testing. The machine has a one-speed motor with a reversing switch that produces a uniform vertical movement of .05" (1.27mm) per minute, ASTM D1883, AASHTO T193. The maximum piston travel is 3 1/2" (88mm).
General Information Inspection Your CBR equipment was thoroughly inspected before it was shipped and should be ready to operate as soon as you have completed the set-up procedure. Notify Humboldt Mfg. Co. or your local agent and file a claim with any carriers involved if you find any damage to the machine. Unpack all of the equipment carefully to prevent loss of small items or manuals. Physical Specification Shipping weight: 185 lbs. (78.
Operation Control Panel The control panel is situated on the front left hand side of the machine base. Preset Speed: H-4156M: H-4156M.4F (60Hz): H-4156M.4F (50Hz): .05 in/min. (1.27mm/min.) .05 in/min. (1.27mm/min.) .04 in/min. (1.00mm/min.) Direction of Travel It is necessary to ensure that the direction of the platen (up or down) has been correctly selected. The platen travel direction switch has three positions: up, off, down.
Load Ring Calibration Your H-4454.100 was calibrated before leaving the factory. Periodically you should have it re-calibrated. Humboldt provides calibration services for these load rings, please contact us at: 1.800.544.7220, 1.708.456.6300, 1.708.456.0137 fax or hmc@humboldtmfg.com. Maintenance The machine and transducers should be kept clean and the machine should not be over lubricated. Light oiling with synthetic instrument oil at most is required on exposed spindles and threads.
WFO4 3/4" flat washer SHH04 3/4-16 x 3 1/2" Hex Head Bolt H-1339.6 Nut H-4454.100 Load Ring H-4178 Penetration Piston and Stud H-4178BR Dial Indicator Bracket H-1339.14 Threaded Rod H-4158.1 Dial Indicator 1.000" x .001" H-1339.18 Platen H-1339.17 Bellows H-1339.
Warranty Humboldt Mfg. Co. warrants its products to be free from defects in material or workmanship. The exclusive remedy for this warranty is Humboldt Mfg. Co., factory replacement of any part or parts of such product, for the warranty of this product please refer to Humboldt Mfg. Co. catalog on Terms and Conditions of Sale. The purchaser is responsible for the transportation charges. Humboldt Mfg. Co.
