Introduction
This manual details the factory-prescribed procedures for the correct service and repair of the Aqua Lung MDB Military BC. It is intended for use by personnel who have received Factory Authorized training. For any uncertainties regarding the procedures, contact an Aqua Lung Technical Advisor.
Regular rinsing in fresh water after use and annual servicing are recommended. An official inspection should include testing, visual checks, and auxiliary cylinder verification.
General Guidelines & Precautions
Follow all procedures exactly as outlined, referencing the manual throughout. Use only genuine Aqua Lung parts and calibrated torque wrenches during reassembly. Pay close attention to warnings and cautions to prevent injury or damage.
Key terms and conventions are provided for clarity. For example, 'remove, unscrew, or loosen' implies counterclockwise rotation, while 'install, screw in, or tighten' implies clockwise rotation.
Important Warnings:
- SCUBA equipment use requires certification from a recognized agency.
- Never lubricate any part of the jacket with any lubricant unless performed by a trained technician.
- Do not apply aerosol sprays to the jacket.
- Unauthorized service will void the warranty.
- A buoyancy compensator is not a life jacket and does not provide face-up flotation in all situations.
Product Overview & Features
The MDB is a buoyancy jacket designed for military use with various breathing apparatus. It features a single air cylinder attachment for inflation with compressed air, and a breathable inflator for emergency use. The bladder is constructed from durable urethane-coated material, and includes two drain caps for easy maintenance.
Special Features:
- BC Air Breathing: The oral inflator allows breathing from the BC bladder in emergencies.
- Pockets: Two utility pockets are located on the left lobe, each with a D-ring and one with a snap hook.
- Drain Plug: Two drain caps facilitate rinsing the inside of the bladder.
- Auxiliary Air Cylinder: Used for inflating the MDB with compressed air, essential for closed and semi-closed circuit diving.
Maintenance & Procedures
The manual outlines procedures for filling the auxiliary cylinder, attaching it to the MDB, and general maintenance. It stresses the importance of using the correct fill pressure (200 BAR / 2,900 PSI) and handling the equipment with care to prevent damage.
Detailed sections cover airway maintenance, cylinder connector maintenance, and final assembly and testing, including exploded parts diagrams and recommended tools.
Technical Data & Warranty
Technical specifications, recommended cleaners and lubricants, and warranty information are provided. Refer to the manual for specific details on torque specifications and parts.