TM 5-4220-225-14
CHAPTER 2
OPERATING INSTRUCTIONS
OVERVIEW
..................................................................................................................................
2-1
Section I.
Description and Use of Operator's Controls and Indicators ........................................
2-1
Section II.
Operator Preventive Maintenance Checks and Services (PMCS) .............................
2-3
Section III.
Operation Under Usual Conditions ............................................................................
2-26
Section IV.
Operation Under Unusual Conditions ........................................................................
2-55
OVERVIEW
This chapter contains information and procedures required by the operator to operate the MK12 SSDS safely and
efficiently.
SECTION I. DESCRIPTION AND USE OF OPERATOR'S
CONTROLS AND INDICATORS
Paragraph
Page
2-1
General .....................................................................................................................
2-1
2-2
Helmet Assembly ......................................................................................................
2-1
2-1. General. This section contains information to familiarize the operator and the diver with his equipment.
2-2. Helmet Assembly (figure 2-1).
2-1