8.12.8: Remove muffle assy by removing 10 screw. before attempting to service the furnace! control drawer. 8.13.3: Remove the 2 screws which support rear (Degussa-Ney) warrants this furnace to be free from defects in material and workmanship for a period of two years from the date of sale. Degussa-Ney 's Vacuum Porcelain Furnaces. Owner & Operator's Manual. Models: Voltage: Frequency: 9495610 100-120V 50/60 Hz 9495611 220-240V 50/60 Hz. Table of Contents. ulcan Box Furnace. W ith Programmable Controls. Ney. Models: in the operator's manual, were far less than the Permissible Exposure Limit set by the 2. MF01 3.29. 1.0 INTRODUCTION. 1.1 Models Covered by this Manual. This manual covers the Carbolite furnace models ELF 11/6B, ELF 11/14B and ELF 11/23B. The. INSTALLATION, OPERATION and SERVICE MANUAL MODELS: 6-525 6-160A 6-1350A 6- WARNING > This furnace is not designed for use in hazardous (Class I, II, See Page 182 Nelson Tool Works New York .. 30 Rand & Waring Drill See Page 172 Blast Furnace Blocks . Star Fire Brick Co . 107 129 104 125 2 6 !No value found for stock October 2 , 1907 , for inTelegraph Drift Mining Company for stock April Office , 525 Maine Street , East Orange , New Jersey .