TM 10-6640-238-13 1-17 Thermometer Case (47):  Used to store thermometers.  During transit all thermometers are stored in overpack box 25. Fuel Sampling Kit (48):  Used to perform field sampling of liquids from pressurized systems as specified in ASTM method D-2275. General Mechanics Tool Kit (49):  Used to perform maintenance procedures. Cloud and Pour Point Tester (50): Used to perform ASTM test D-97. Copper Strip Corrosion Bath (51):  Used with copper corrosion test bombs to perform ASTM test D-130. Refrigerator (52):  The refrigerator provides 6.5 cubic feet (182 cmm) of refrigerated space and is explosion proof. Entrance, Laboratory (53):  Located on curbside of trailer. Air Compressor (54):  A base mounted, 2-cylinder, single stage compressor driven by a 3-hp electric motor. The compressor is capable of providing air at 120 psi. Steam Boiler / Generator (Sheet 3, Item 55):  An electrically heated low pressure boiler which produces steam for use in the gum bath. Fume Hood and Gum Bath Exhaust Blowers (56):  Used to exhaust noxious and dangerous fumes from fume hood and gum bath.  Do not operate both exhaust blowers at the same time. Surge Tank (57):  Prevents oscillations in water system. Water Supply Pump (58):  A centrifugal self-priming pump used to pump water from the water tank or from an outside source. Water Tank (59):  A 60-gallon fiberglass tank used as a supply source when operating water system as a closed system. Freezer/Icemaker (60):  The freezer is specifically designed as an ice producing and storage unit.  It has 16 ice cube trays with a storage capacity of 23 pounds. Water Detector Kit (61):  A portable, self-contained kit used to detect the presence of undissolved water in automotive and aviation fuel. Fume Hood (62):  The fume hood is used to protect the operator from toxic, corrosive, poisonous, explosive, radioactive, odoriferous, and other harmful and dangerous materials. Gum Content Test Bath (63):  Used to determine the existent gum in petroleum products in accordance with ASTM test D-381. High Pressure Boiler (64):  This boiler is used to fulfill the requirements of ASTM test D-381.  It provides superheated steam to the gum bath. Entrance, Rear (65):  Used for loading and unloading. Blackout Micro Switches (66):  Automatically switches off the white lights and leaves on the blue blackout lights when entrance doors are opened. Overpack Boxes (67):  Twenty five overpack boxes provide storage for supplies and equipment shipped with the Petroleum Laboratory. Spill Kit (68):  Used to clean and store spilled chemicals. Vacuum Pump (69):  The vacuum pump is a 2-stage rotary pump which provides vacuum to the laboratory vacuum system. Fume Hood Exhaust Vent Extension (70):  The fume hood exhaust vent extension is located on top of the water chiller during transit.  It is used in conjunction with flexible duct and connects to fume hood vent door to vent exhaust fumes away from Mod Lab purge doors and environmental control units.