Idlers
Depth Gauge Ultrasonic Center Flange Wear
Inches (mm) % Worn Inches (mm) Inches (mm)
0.78 (20.0) 0 0.36 (9.1) 0.00 (0.0)
0.80 (20.5) 12 0.34 (8.6) 0.02 (0.5)
0.82 (21.0) 24 0.32 (8.1) 0.04 (1.0)
0.84 (21.5) 36 0.30 (7.6) 0.06 (1.5)
0.86 (22.0) 48 0.28 (7.1) 0.08 (2.0)
0.88 (22.5) 60 0.26 (6.6) 0.10 (2.5)
0.90 (23.0) 72 0.24 (6.1) 0.12 (3.0)
0.92 (23.5) 82 0.22 (5.6) 0.14 (3.5)
0.94 (24.0) 85 0.20 (5.1) 0.16 (4.0)
0.96 (24.5) 88 0.18 (4.6) 0.18 (4.5)
0.98 (25.0) 91 0.16 (4.1) 0.20 (5.0)
1.00 (25.5) 94 0.14 (3.6) 0.22 (5.5)
1.02 (26.0) 97 0.12 (3.0) 0.24 (6.0)
1.04 (26.5) 100 0.10 (2.5) 0.26 (6.5)
1.06 (27.0) 103 0.08 (2.0) 0.28 (7.0)
1.08 (27.5) 106 0.06 (1.5) 0.30 (7.5)
1.10 (28.0) 109 0.04 (1.0) 0.32 (8.0)
1.12 (28.5) 112 0.02 (0.5) 0.34 (8.5)
1.14 (29.0) 115
NOTE: Ultrasonic measurement is to determine
1.16 (29.5) 118
flange wear only.
1.18 (30.0) 121
Flange width: 3.31" (84 mm)
Undercarriage Code: 433, 434, 440, 442, 443, 445, 452, 453, 454, 455
640
225, 219, 215 S.A., FB221, FB217, DL221 — 7.50" (190 mm) & 6.91" (175.5 mm)
Excavators