Idlers
Depth Gauge Ultrasonic Center Flange Wear
Inches (mm) % Worn Inches (mm) Inches (mm)
0.78 (20.0) 0 0.74 (18.8) 0.00 (0.0)
0.80 (20.5) 12 0.72 (18.3) 0.02 (0.5)
0.82 (21.0) 24 0.70 (17.8) 0.04 (1.0)
0.84 (21.5) 36 0.68 (17.3) 0.06 (1.5)
0.86 (22.0) 48 0.66 (16.8) 0.08 (2.0)
0.88 (22.5) 60 0.64 (16.3) 0.10 (2.5)
0.90 (23.0) 72 0.62 (15.7) 0.12 (3.0)
0.92 (23.5) 76 0.60 (15.2) 0.14 (3.5)
0.94 (24.0) 80 0.58 (14.7) 0.16 (4.0)
0.96 (24.5) 84 0.56 (14.2) 0.18 (4.5)
0.98 (25.0) 88 0.54 (13.7) 0.20 (5.0)
1.00 (25.5) 92 0.52 (13.2) 0.22 (5.5)
1.02 (26.0) 96 0.50 (12.7) 0.24 (6.0)
1.04 (26.5) 100 0.48 (12.2) 0.26 (6.5)
1.06 (27.0) 104 0.46 (11.7) 0.28 (7.0)
1.08 (27.5) 108 0.44 (11.2) 0.30 (7.5)
1.10 (28.0) 112 0.42 (10.7) 0.32 (8.0)
1.12 (28.5) 116 0.40 (10.2) 0.34 (8.5)
1.14 (29.0) 120 0.38 (9.7) 0.36 (9.0)
Flange width: 3.19" (81 mm) NOTE: Ultrasonic measurement is to determine flange
wear only.
Undercarriage Code: 590
757
EL240B, E240B, EL240, E240 — 7.50" (190 mm)
Excavators