TM 3-6665-329-13&P
OPERATING INSTRUCTIONS
PAGE
PARA
Operator controls and indicators on front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operator controls and indicators in accessory storage compartment. . . . . . . . . . . . . . . . . . . .
Operator preventive maintenance checks and services, introduction . . . . . . . . . . . . . . . . . . . .
CHAPTER OVERVIEW.
The purpose of this chapter is to familiarize you with specific operator/test set equipment interfaces. You will
be instructed in Preventive Maintenance Checks and Services (PMCS) and how to check out the test set.
SECTION I. DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND INDICATORS
Control or
Function
Indicator
Key
PNEUMATIC LINE STORAGE
1
Storage compartment for vacuum and
pressure tubing.
PRESSURE LOCK
2
Controls flow of air pressure from pump and
bellows to M43A1 Detector air inlet.
PRESSURE-VACUUM GAGE
Indicates measurement of pressure or vacuum
3
in inches of water.
PRESSURE PORT
4
Attachment point for bellows and pump.
FLOWMETER
5
Graduated scale measuring airflow.
Used during vacuum pump unit, RE test
and adjustment.
2-1