DEFSTAN 02-304(PT5)/2(2002) : 2002

TITLE PAGE
SCOPE
FOREWORD
Sponsorship
Conditions of Release
Categories of Defence Standard
Related Documents
Health and Safety
Additional Information
CONTENTS
SECTION 1. PERFORMANCE SPECIFICATION
            1.1 Propeller Care
            Figure 1.1 Vertical Stowage of Controllable
                        Pitch Propeller Blades
                        and Lifting Arrangements
            Figure 1.2 Lifting Fixed Pitch Propeller by Wires
            1.2 Inspection Requirements
            1.3 Restoration of Propellers
            1.4 Welding of Propellers
            Figure 1.3 Basic Principles for Local Heating
            Figure 1.4 Temperature Gradient
            Figure 1.5 Butt Weld Edge Preparation
            Figure 1.6 Butt Welds in Thinner Sections
            Figure 1.7 Template for Back Gouging
            Figure 1.8 Cover Plate Weld Preparation - Backed
                        Butt Weld
            Figure 1.9 Excavation for Surface Repairs
            Figure 1.10 Excavation and Depth Gauge
            Figure 1.11 Weld Deposition Sequence
            Figure 1.12 Bead Overlap
            Figure 1.13 Full Penetration Welding Sequence
            Figure 1.14 Run-On and Run-Off Tabs
            Figure 1.15 Crack Excavation Weld Centre
            Figure 1.16 Suggested Tip Cramping Method
            Figure 1.17 Principle of Sequencing Assembly Welds
            Figure 1.18 Staggered Back Step Technique
            Figure 1.19 Tip Restoration - Preparation
                        and Weld Overlay
            1.5 Welding Repair Limitations
            Figure 1.20 Severity Zones - Fixed Pitch
                        Propeller Blade
            Figure 1.21 Severity Zones - Controllable
                        Pitch Propeller Blade
            1.6 Acceptance Standards for Repaired Areas
SECTION 2. NATIONAL/INTERNATIONAL REGULATIONS
SECTION 3. MILITARY STANDARDS/REQUIREMENTS
            3.1 Propeller Care
            3.2 Inspection Requirements
            3.3 Restoration of Propellers
            3.4 Welding of Propellers
            3.5 Welding Repair Limitations
            3.6 Acceptance Standards for Repaired Areas
                (See also Performance Specification)
            3.7 Quality Records
            3.8 Lubrication
SECTION 4. DESIGN REQUIREMENTS GUIDANCE
            4.1 Propeller Care
            4.2 Inspection Requirements
            4.3 Restoration of Propellers
            4.4 Welding of Propellers
SECTION 5. CORPORATE KNOWLEDGE AND EXPERIENCE
            5.1 Air-Emission Cover Plate
            Figure 5.1 Air Emission Channel Cover Plate
            Figure 5.2 Welding Air-Emission Cover Plate
            Figure 5.3 Removing and Refitting Cover Plate Section
            Figure 5.4 Welding Sequence of Replacement Section
ANNEX A. RELATED DOCUMENTS
ANNEX B. ABBREVIATIONS AND DEFINITIONS
ANNEX C. PROCUREMENT CHECK LIST
ANNEX D. PROPELLER HISTORY SHEETS
ALPHABETICAL INDEX

Defines the requirements for the handling, maintenance, and repair of Fixed Pitch Propellers (FPP) and Controllable Pitch Propellers (CPP) fitted to HM Surface Ships.