REPAIR REPORT

EX401

WELDING REBUILD: Bucket; Boom; Cascade Room; superstructure; Engine Module;

Date of Rebuild: Feb-March 2016

NDT Technique: Magnetic Particle Test

Weld Rebuild report: Ray Krueger

1 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y

20th Sept 2015

REPAIR REPORTREPAIR COMPLETED FOR FRONT CLAM EX401—340FW2

2 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y

Chromium Carbide plates fitted to Both walls in and outside and also the floor.

Build up adaptor stations to fit template

REPAIR REPORT

3 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y

Cut out worn section of side wall on both sides and replace with new plate 25mm, weldox 400 or A514 plate.

Refer to Ray for exact position of cut.

REPLACEMENT REAR SIDE WALL SECTIONS FITTED AND WELDED TO PROCEDURE.

REPAIR REPORT

4 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y

All bars removed and replaced with chromium Carbide after all cracks repaired

Replace complete impact bar across back of Jaw

Cracks repaired , new chromium carbide fitted and new impact block

New Chromium Carbide floor

New corner blocks, new wear package on outside walls

REPAIR REPORT

COMPLETED FRONT CLAM

BACK WALL OF BUCKET REPAIRS

5 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y

WEAR PACKAGE FITTED, CRACKS REPAIRED

REPAIR REPORTCOMPLETED BUCKET

EX401 BOOM REPAIR:

Major cracks continually developing from the man hole.

6 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y

Complete removal of stressed section and fully weld in position.

REPAIR REPORT

7 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y

Fully welded and back gouged from inside and fully welded both sides. Full pre heat and quality welds with stress relieving peening.

FINISHED REPAIR TO MANHOLE AND FULL REPAIRS TO ALL PADS.

REPAIR REPORT

8 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y

POOR QUALITY WELDING ON BLOCKS ON BOOM, THAT HAVE LED TO CRACKS.

COMPLETE REPAIR OF CRACKS AND REWELDING OF PADS TO CORRECT STANDARD FOLLOWING ALL WELD PROCEDURES.

BOOM CONTINUED

REPAIR REPORT

Superstructure repairs

9 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y

REPAIR REPORTCOMPLETE FULLY GOUGE AND REWELD

CASCADE ROOM REPAIRS:

10 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y

MULTIPLE CRACKS IN WALLS AND AROUND MOUNTING BLOCKS.

REPAIR REPORT

11 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y

GOUGING AND WELDING ALL CRACKS AND BACK GOUGED AND WELDED FROM INSIDE WHERE POSSIBLE.

FULLY WELDED AND BLENDED

REPAIR REPORT EX401 ENGINE MODULE

ALL CRACKED SECTIONS REMOVED AND REPAIRED.

12 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y

REPAIR REPORTNDT Technician - Comments

1.2.3.4.5.

Welding Supervisor - Comments

1.2.3.4.5.

Condition Monitoring & Reliability - Comments

1.2.3.4.5.

13 | P a g e G G M A s s e t M a n a g e m e n t & R e l i a b i l i t y