Section i - Introduction
Glossary of Terms
Magnetic Particle Inspection:
A method of checking for cracks in either steel or iron parts. This method
requires a Magnaflux or equivalent machine that imparts a magnetic field on
the part being checked.
A hand tool consisting of a soft head, either wood, plastic, lead, brass, or
rawhide, on a handle.
The difference in the height between two parts in the assembled state.
Torque Converter; used when referring to the torque converter cooler.
Top Dead Center; refers to the position of the piston or the crankshaft rod
journal. The piston is at its highest position in the cylinder. The rod journal is
pointing straight up toward the piston.
Total Indicator Runout; used when measuring the concentricity or the runout.
The T.I.R. refers to the total movement of the needle on a dial indicator, from
the most negative reading to the most positive reading.
Water Pump Grease:
A premium high temperature grease that will lubricate antifriction bearings
continually from minus 40°C [minus 40°F] to plus 150°C [Plus 350°F].
Some of the greases meeting this requirement are Aeroshell No. 5, Chevron
SRI, Amoco Rykon Premijm No. 2, Texaco Premium RB, and Shell Dolium R.
Aeroshell No. 5 is not compatible with the other greases and must not be
mixed. Cummins Engine Company, Inc., uses Aeroshell No. 5 on new en-
gines and components.