INTRODUCTION

This course enables the successful candidate to engage in the preparation of scuba equipment for Technical Diving Gases.

COURSE OBJECTIVES

The objective of this course is to train candidates in the proper procedures required for oxygen equipment cleaning.

QUALIFICATION OF GRADUATES
Upon successful completion of this course candidates will be able to prepare scuba equipment for the use with EAN.

WHO MAY TEACH

Any active TDI Service Technician Instructor may teach this course.

STUDENT - INSTRUCTOR RATIO
Classroom
Unlimited so long as adequate facility, supplies and additional time are provided to insure comprehensive and complete training.

STUDENT PRE-REQUISITES

A. Minimum age 18
B. Minimum certification of Nitrox Diver
C. Certification of TDI Nitrox Gas Blender
D. Provide proof of VIP certification through a recognized agency
E. Provide proof of certification through a recognized manufacturing company regulator clinic.
F. Provide proof of employment through a recognized scuba relate facility, manufacturer/distributor or proof of intent to acquire such employment.

REQUIRED COURSE MINIMUMS

Classroom Hours - 6
Candidates must successfully service a cylinder valve and regulator for EAN use

REQUIRED SUBJECT AREAS

The following topics must be covered during this course. The TDI Equipment Service Technician Manual is mandatory for use during this course but instructors may use any additional text or materials that they feel help present these topics.

A. The Responsibility of the Service Technician

B. Oxygen Handling
Oxygen compatible systems components

C. Equipment Servicing
1. Materials for use in oxygen cleaned systems
a. Lubricants
b. 0-rings
c. Cleaning chemicals
2. Procedures of Oxygen Cleaning
a. Cylinders
b. Valves
c. Regulators
d. System components

D. Gas Production Equipment
1. Compressors
2. Cylinders
3. Filtration systems
4. Gauges

E. Mixing Techniques
1. General considerations
2. Continuous blending systems
3. Membrane separation systems
4. Pre-mix systems
5. Partial pressure blending
a. Mathematics of partial pressure
b. Mixing by weight (optional)

F. Oxygen analysis
1. Procedures
2. Oxygen analyzers

G. Cylinder Handling & Sign Out

GRADUATION REQUIREMENTS

In order to complete this course, students must:
A. Satisfactorily complete the TDI Service Technician written examination
B. Demonstrate proficiency in servicing scuba equipment for use with EAN

SUPPORT MATERIALS

A. TDI Student Record Folder
B. TDI Equipment Service Technician Manual.
C. TDI Equipment Service Technician PowerPoint Presentation