TASK 70-11-11-200-502 Control Of The Solutions Used For Descaling Components (Cobalt And Nickel Base Alloys, Heat And Corrosion Resistant Steels) And Non Corrosive Resistant Steel

DMC:V2500-00-70-11-11-00A-300A-D|Issue No:001.00|Issue Date:2013-03-20

Export Control

EAR Export Classification: Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3), except for the following Service Bulletins which are currently published as EAR Export Classification 9E991: SBE70-0992, SBE72-0483, SBE72-0580, SBE72-0588, SBE72-0640, SBE73-0209, SBE80-0024 and SBE80-0025.

Copyright

© IAE International Aero Engines AG (2001, 2014 - 2021) The information contained in this document is the property of © IAE International Aero Engines AG and may not be copied or used for any purpose other than that for which it is supplied without the express written authority of © IAE International Aero Engines AG. (This does not preclude use by engine and aircraft operators for normal instructional, maintenance or overhaul purposes.).

Applicability

All

Common Information

TASK 70-11-11-200-502 Control Of The Solutions Used For Descaling Components (Cobalt And Nickel Base Alloys, Heat And Corrosion Resistant Steels) And Non Corrosive Resistant Steel

Preliminary Requirements

Pre-Conditions

NONE

Support Equipment

NONE

Consumables, Materials and Expendables

NONE

Spares

NONE

Safety Requirements

WARNING

IT IS THE RESPONSIBILITY OF THE OPERATION TO OBTAIN AND OBSERVE THE MANUFACTURER'S MATERIALS SAFETY DATA SHEETS FOR CONSUMABLE MATERIALS. THESE CONTAIN INFORMATION SUCH AS, HAZARDOUS INGREDIENTS, PHYSICAL/CHEMICAL CHARACTERISTICS, FIRE, EXPLOSION, REACTIVITY, HEALTH HAZARD DATA, PRECAUTIONS FOR SAFE HANDLING, USE AND CONTROL MEASURES AND ALSO TO TAKE LOCAL REGULATIONS INTO CONSIDERATION.

WARNING

THE OPERATORS MUST ALWAYS WEAR THE PROTECTIVE CLOTHING SUPPLIED, WHICH INCLUDES EYE PROTECTION AND RUBBER GLOVES.

WARNING

IF SODIUM HYDROXIDE SOLUTION GETS INTO THE EYES, FULLY FLUSH THEM WITH CLEAN WATER AND THEN GET MEDICAL TREATMENT IMMEDIATELY.

WARNING

CAREFULLY ADD THE COMPOUNDS WHICH CONTAIN SOLID SODIUM HYDROXIDE TO WATER, BECAUSE HEAT IS RELEASED WHEN THE COMPOUND DISSOLVES. MAKE MUCH MOVEMENT OF THE SOLUTION, WITH AIR OR MECHANICAL METHODS, AS YOU ADD THE COMPOUND TO THE SURFACE OF THE SOLUTION. DO NOT ADD LARGE QUANTITIES OF THE COMPOUND TO ONE SMALL AREA OF THE TANK BECAUSE THE SOLUTION WILL BOIL.

WARNING

THE INSTRUCTIONS GIVEN BY THE SAFETY OFFICER MUST ALWAYS BE OBEYED.

Procedure

    1. SUBTASK 70-11-11-200-001 Control of the Alkali Derusting Solutions

    1. WARNING

      THE ALKALI DERUSTING SOLUTIONS CONTAIN SODIUM HYDROXIDE. REFER TO SAFETY PRECAUTIONS 1.A.

      For control of the alkali derusting solutions, refer to the SPM TASK 70-11-54-200-502.

    2. SUBTASK 70-11-11-200-002 Control of the Alkaline Permanganate Solutions

    1. WARNING

      THE ALKALINE PERMANGANATE SOLUTIONS CONTAIN SODIUM HYDROXIDE. REFER TO SAFETY PRECAUTIONS 1.A.

      For the control of the alkaline permanganate solutions, refer to the SPM TASK 70-11-54-200-502.

    3. SUBTASK 70-11-11-200-003 Control of Corrosion Inhibitor

    1. For the control of the corrosion inhibitor, refer to the SPM TASK 70-11-05-200-502.

Requirements After Job Completion

Follow-On Conditions

NONE