HOUSING AS-FLYWHEEL 2717419 - Caterpillar

Illustration 1 g06117770
Baffle (1)
( A) 548.6 mm (21.598 inch)
(B) 163.1 mm (6.421 inch)
(C) 75 mm (3 inch)
(D) 45 mm (1.75 inch)
(E) Radius of 25 mm (1 inch) in four locations
(F) 300 mm (11.8 inch)
(G) 676 mm (26.614 inch)
(H) 16 mm (0.63 inch)
(J) 6.6 Degree angle in two locations
(K) 2 Degree angle
Fabricate baffle (1) using the dimensions listed and as shown in Illustration 1.
Illustration 2 g06118100
(M) 1.5 mm (0.059 inch)
(1) Fabricated baffle
(2) Round stock
Illustration 3 g06118138
Cross section view
(M) 1.5 mm (0.059 inch)
(W1) 8 mm (0.315 inch) Flare-bevel groove weld
(1) Fabricated baffle
(2) Round stock
Illustration 4 g06118149
(N) 100 mm (3.937 inch) Weld length
(1) Fabricated baffle
(2) Round stock
Using four pieces of round stock (2), bend and weld the round stock to baffle (1). Refer to Illustrations 2, 3, and 4.
Illustration 5 g06118321
Top plate (3)
( P) 381.5 mm (15.02 inch)
(Q) 100 mm (3.937 inch) Radius in four locations
(R) 16.5 mm (0.65 inch) Hole in two locations
(S) 200 mm (7.874 inch)
(T) 280 mm (11.024 inch)
(U) 546.9 mm (21.531 inch)
(V) 173.4 mm (6.827 inch)
(W) 133.4 mm (5.252 inch)
(X) 525 mm (20.669 inch)
(Y) 668.3 mm (26.311 inch)
(Z) 74.6 mm (2.937 inch)
(AA) 16 mm (0.63 inch)
(AB) 50.8 mm (2 inch)
(AC) 21 Degree angle
(AD) 18 mm (0.709 inch)
(AE) 24 Degree angle
(AF) 2 mm (0.079 inch) Maximum
(AG) 8 mm (0.315 inch)
(3) Top plate
Fabricate top plate (3) using the dimensions listed and as shown in Illustration 5.Rework Procedure
Boom Preparation
Illustration 6 g06117704
(AH) 675 mm (26.575 inch)
(3a) Top plate - area to remove
Remove a portion of the top plate as shown in Illustration 6.
Illustration 7 g06117744
Top view of boom after plate section removed
Installing Fabricated Parts
Illustration 8 g06118649
Cross section view of boom
(AJ) 220 mm (8.661 inch)
(W2) 8 mm (0.315 inch) Bevel weld
(1) Top plate - area to remove
Weld baffle (1) in place as shown in Illustration 8.
Illustration 9 g06118686
Cross section view of boom
(W3) 12 mm (0.472 inch) Fillet weld
(1) Fabricated baffle
Apply a second layer of weld to baffle (1) as shown in Illustration 9.
Illustration 10 g06118547
Cross section view of boom
(1) Fabricated baffle
(3) Fabricated top plate
(AF) 2 mm (0.079 inch)
(AK) 25 Degree angles
(AM) 10 mm (0.394 inch) Minimum
Locate and weld fabricated top plate (3) and weld as shown in Illustration 10.Reference
To address any repairs to the single function boom in the area where the fairlead roller is mounted to the boom, refer to Special Instruction, M0074848, "Procedure to Install 518-3875 Arch Kit for the Boom Assembly on Certain D Series Wheel Skidders".