Humboldt H-1339B Marshall Compression Machine - Manual (Page 3)

Introduction
Product Description
The Humboldt H-1339B Marshall Compression and Testing Machine has been
designed specifically for testing the resistance to plastic flow of bituminous
paving mixtures—the Marshall Test.
The H-1339B has a one-speed motor with reversing switch that produces
a uniform vertical movement of 2" (51mm) per minute. Unit includes a
H-4454.100 calibrated load ring and dial indicator for determining test load.
Load capacity is 10,000 lbs. (45kN). Maximum piston travel is 3-1/2" (88mm).
Overall dimensions are: 18" x 18" x 38-1/2"H (457 x 457 x 978mm).
Shipping wt. 185 lbs. (78.9 kg)
All Humboldt Marshall Testing equipment meets specifications
for the following tests:
ASTM D1559 ASTM D6926 & 27
ASTM D5581 ASTM D4867
AASHTO T245 AASHTO T283
British Standard BS598: Part 107
In addition, these machines include an H-4454.100 calibrated load ring to
determine test load. Load capacity is 10,000lbf (50kN).
Models covered in manual include:
Marshall Compression Machine— H-1339B
Marshall Compression Machine, 220V 60Hz — H-1339B.2F
Marshall Compression Machine, 220V 50Hz — H-1339B.5F