1. 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
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
20th
Sept 2015

2. 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
REPAIR REPORT
REPAIR COMPLETED FOR FRONT CLAM EX401—340FW2
ChromiumCarbide plates
fittedtoBoth walls in and
outside and alsothe floor.
Buildupadaptor
stationstofit
template

3. 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
REPAIR REPORT
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.

4. 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
REPAIR REPORT
All barsremovedandreplaced
withchromiumCarbide after
all cracks repaired
Replace complete impactbar
across back of Jaw
Cracks repaired,
new chromium
carbide fittedand
new impactblock
New ChromiumCarbide
floor
New cornerblocks,new wear
package on outside walls

5. 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
REPAIR REPORT
COMPLETED FRONT CLAM
BACK WALL OF BUCKET REPAIRS
WEAR PACKAGE FITTED, CRACKS REPAIRED

6. 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
REPAIR REPORT
COMPLETED BUCKET
EX401 BOOM REPAIR:
Major cracks continually developing from the man hole.
Complete removal of
stressed section and
fully weld in position.

7. 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
REPAIR REPORT
Fullyweldedand back gouged from inside and
fullyweldedbothsides.Full pre heat and quality
weldswith stressrelievingpeening.
FINISHED REPAIR TO
MANHOLE AND FULL
REPAIRS TO ALL PADS.

8. 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
REPAIR REPORT
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

9. 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 REPORT
Superstructure repairs

10. 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
REPAIR REPORT
COMPLETE FULLY GOUGE AND REWELD
CASCADE ROOM REPAIRS:
MULTIPLE CRACKS IN WALLS
AND AROUND MOUNTING
BLOCKS.

11. 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
REPAIR REPORT
GOUGING ANDWELDING ALL CRACKS AND BACK GOUGEDAND WELDED FROM
INSIDE WHERE POSSIBLE.
FULLY WELDED AND BLENDED

12. 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 REPORT
EX401 ENGINE MODULE
ALL CRACKED SECTIONS REMOVED AND REPAIRED.

13. 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
REPAIR REPORT
NDT Technician - Comments
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Welding Supervisor - Comments
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5.
Condition Monitoring & Reliability - Comments
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