2014/10/27 Caterpillar

Excavator:

311D (S/N: CLA1-UP; DWR1-UP)

Work Tool:

BUCKET (S/N: X1B1-UP)

Description of Change: The new bucket has better cutting edge retention than the former bucket.

Adaptable To:

The former buckets can be modified in order to improve the retention properties of the cutting edge.

Two options are available for modifying the former 327-3649 Ditch Cleaning Bucket Assembly .

Show/hide table



Illustration 1	g03739499
(1) Former bucket - 327-3649 Ditch Cleaning Bucket Assembly (2) Former base - 167-0261 Edge (3) New bucket - 439-7298 General Purpose Bucket Arrangement (4) New base - 436-5478 Edge

1. Replace former base edge (2) with new production edge (4) .

Show/hide table



Illustration 2	g03739537
(1) Former bucket - 327-3649 Ditch Cleaning Bucket Assembly (3) New bucket - 439-7298 General Purpose Bucket Arrangement (5) Former - 167-0316 Cutting Edge Gp (6) New - 436-5489 Cutting Edge Gp

2. Remove former cutting edge (5). Drill former base edge (2) to accept the new production bolt on cutting edge (6) .
   Show/hide table
   
   

   Illustration 3	g03739934
   (A) 659 mm (25.94483 inch) (B) 475.7 mm (18.728 inch) (C) 292.4 mm (11.512 inch) (D) 109.1 mm (4.295 inch) (E) 99.4 mm (3.913 inch) (2) Former base - 167-0261 Edge (7) Hole - 27.5 mm (1.083 inch)

   1. Drill eight holes (7) in former base (2) at the locations shown in Illustration 3.