T M 9 - 4 9 3 1 - 3 8 1 - 1 4 & P -2
CHAPTER I
GENERAL MAINTENANCE INFORMATION
1-1.
Scope
This volume contains maintenance tasks for the thermal system test set. The maintenance
procedures and information presented in this volume are intended for repair of the Thermal
System Test Set.
1-2.
Equipment Group Breakdown. The chapters in this volume are broken down by
maintenance groups as follows:
a. Thermal System Test ControlIer (chapter 2)
b. Accessory Storage Assembly (chapter 3)
c. Holding Fixtures (chapter 4)
1-3.
Cleaning.
WARNING
Many solvents burn easiIy. Do not use solvents near open
fire. Solvents may give off harmful vapor. Use in well
ventilated area.
a. Mechanical Parts. Use one of the following methods to remove dirt, grease, oil, etc.
from all metal surfaces:
o Dip tank: stir or shake fast for 1 minute in each tank.
o Vapor degreaser: soak for about 2 to 3 minutes.
o Wipe with rags: dip rags in dry cleaning solvent.
o Stiff brush or scraper: clean hard-to-get at areas with stiff-bristIe brush or
scraper.
b. Electrical Parts. Clean dirt, grease, oil, etc. from metal surfaces, connectors, and
parts by dipping into container of freon (Item 13, appendix C) and acid swabbing brush (Item 8,
appendix C). Dip stiff brush into freon and brush off parts you cannot dip. Dry with
compressed, oil-free air or wipe dry with clean rag (Item 24, appendix C).
1-4.
Painting. Look in TM 9-208-1 for ways to clean and mix material for pointing. Look in
TM 9-213 for ways to paint and supplies to use.
Volume IV
Para. 1-1
1-1
