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Hexact Linear Actuation Method
    The HLA adjustable pulley can be used in place of the standard “HM” pulley where an external mechanical control is available. Typical control methods include hydraulic cylinder, air cylinder, and lever. The adapter nut located on the end of the HLA pulley will accept a threaded rod or a clevis with cross pins. The actuator linkage must be on the center line of the pulley, but radial freedom is required to relieve loads caused by misalignment of the linkage. Actuation rate (closing the moveable flange) should not exceed 2-1/2 inches per minute.

    To specify the correct pulley, simply substitute the HLA prefix for the HM. For example, the Model HLA-7 pulley has the same drive characteristics as the Model HM-7 handw heel-type pulley. Refer to the adjacent chart for dimensional information. A torque arm bracket is NOT required for the HLA drive.
Unit of Measure

Specifications

Description 

 N/A HLA-7-1-3/8-PULLEY

Model

 N/A HLA-7

Type

 N/A Adjustable Center - Driver

Belt Size

 N/A 2926V

Weight

 N/A 25.00 lb

UPC Number

 N/A 35866

Dimensional Data

Bore Diameter 

 N/A 1 3/8 in

Outside Diameter (Dimension A)

 N/A 10.000 in

Belt Top Width (Dimension B)

 N/A 1.810 in

Dimension C

 N/A 0.800 in20.32 mm

Distance at Min. PD (Dimension D)

 N/A 3.590 in

Bore Depth (Dimension E)

 N/A 6.000 in

Max. Opening Distance (Dimension F)

 N/A 10.170 in

Min. Opening Distance (Dimension G)

 N/A 8.750 in

Thru Hole (Dimension H)

 N/A 0.390 in

Distance Across Flats (Dimension I)

 N/A 1.310 in

Nut Diameter (Dimension J)

 N/A 1.380 in

Max. Thrust (Dimension K)

 N/A 765.00 lb

Diameter (Dimension L)

 N/A 3.750 in

Thread (Dimension M)

 N/A 3/1-10 UNC

Max. Depth (Dimension N)

 N/A 0.87 in Diameter x 1.44 in

Flat Length (Dimension P)

 N/A 1.000 in

Dimension R

 N/A 1.250 in31.75 mm

Max. Depth (Dimension S)

 N/A 2.500 in

Cubic inches

 N/A 1017.00000 in³
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