1997/06/02 Caterpillar


New AETA Pickup Collar Used On Axle Shafts To Provide Improved Clamping Force {3259,3250,3278}

Usage:


793B (1HL),
793C (4AR) Off-Highway Trucks

Description of Change: A new three lobed AETA (automatic electronic traction aid) pickup collar is used on axle shafts to provide even distribution of collar clamping force.



Illustration 1. View of former (single lobed) 8W-8743 AETA Pickup Collar. (A) 36 mm (1.42 in). (B) 18 mm (.71 in) (3 places). (C) 5.0 ± 0.5 mm (.197 ± .020 in). (D) 2.5 ± 0.5 mm (.098 ± .020 in). (E) 50.0 ± 0.5 mm (1.97 ± .020 in). (F) 12.5 ± 1.5 mm (.49 ± .06 in). (G) 25.0 ± 0.5 mm (.98 ± .02 in). (H) 25 mm (.98 in). (J) 5 mm (.197 in). (K) 89.9 ± 0.2 mm (3.539 ± .008 in). (L) 100 mm (3.94 in).



Illustration 2. View of new (three lobed) 7I-5093 AETA Pickup Collar. (A) 36 mm (1.42 in). (B) 18 mm (.71 in) (3 places). (C) 5.0 ± 0.5 mm (.197 ± .020 in). (D) 2.5 ± 0.5 mm (.098 ± .020 in). (E) 50.0 ± 0.5 mm (1.97 ± .020 in). (F) 12.5 ± 1.5 mm (.49 ± .06 in). (G) 25.0 ± 0.5 mm (.98 ± .02 in). (H) 25 mm (.98 in). (J) 5 mm (.197 in). (K) 89.9 ± 0.2 mm (3.539 ± .008 in). (L) 100 mm (3.94 in). (M) 52.0 ± 0.5 mm (2.047 ± .020 in) (3 places). (N) 62 mm (2.44 in) (3 places). (P) 53.7 ± 0.5 mm (2.114 ± .020 in) (3 places). (Q) 107.4 ± 0.5 mm (4.228 ± .020 in) (3 places). (R) 93.0 ± 0.5 mm (3.661 ± .020 in) (3 places).

Adaptable To: The new (three lobed) 7I-5093 AETA Pickup Collar directly replaces the former (single lobed) 8W-8743 AETA Pickup Collar used in 8X-0250 Mounting and Axle Groups. This change is effective with 793B (1HL49) and 793C (4AR1) Off-Highway Trucks.

Caterpillar Information System:

1997/06/02 Center Support Bracket Transition Castings Changed To Improve Service Life {3268}
1997/06/02 New Custom Product Support Literature Is Available For 773D Trucks Equipped With 250 Gallon Fuel Tank {0374,1273}
1997/06/02 New Custom Product Support Literature Is Available For 793C Trucks Equipped With Rim Mounting Group {0374,4202,4209}
1997/06/02 New Custom Product Support Literature Is Available For 773B And 773D Off-Highway Trucks Equipped With Cluster Lubrication System {0374,7540}
1997/05/26 Correct Orientation For 3E-8827, 9X-6796, 9X-9096, 107-7977, 117-1379, 121-4134, 121-4135, 125-9597, And 132-2156 Alternators During Installation{1405}
1997/05/26 Safety Manuals For Each Product Line Are Available{0353,0375}
1997/05/26 New VIMS-PC Customer Site License And Annual Subscription{7601}
1997/05/26 New VIMS Message Center Display Available{7601}
1997/05/26 Variable Speed Fan Drives{1359}
1997/05/26 New Custom Product Support Literature Is Available For 784B Tractors And 785B, 789B, And 793C Trucks Equipped With Roller Visor Group{0374,7165}
1997/05/26 New Custom Product Support Literature Is Available For 776D Tractors And 777D Trucks Equipped With Rubber Step Group{0374,7254}
1997/05/26 New Custom Product Support Literature Is Available For 784B Tractors And 785B Trucks Equipped With Crankcase Guard{0374,7151}
1997/06/02 New Chrome-Plated Stem On Exhaust Valve Increases Valve And Valve Guide Wear Life {1105,1100}
1997/06/02 New Custom Product Support Literature Is Available For 776D Tractors And 777D Off-Highway Trucks Equipped With Hoist Control {0374,5102,5136}
1997/06/02 New Custom Product Support Literature Is Available For 776B, 776C, 776D Tractors, And 777B, 777C, 777D Off-Highway Trucks With An Automatic Lubrication System {0374,7540}
1997/06/02 New Fuel Injectors Reduce Oil Carryover {1290}
1997/06/09 Procedure For Adjusting Throttle Linkage {1265}
1997/06/09 Improved Fan Access Panel Bracket Improves Service Life {7273,7251,7267}
1997/06/09 Anti-Corrosive Coating Is Used On Air Compressor Inlet Valve Springs {1803}
1997/06/09 Salvage Procedure Increases Service Life On Load Line And Boom Line Drums {5401}
1997/06/09 New Duo Cone Seal Retainer Used In Front Brake Groups To Improve Seal Service Life {4251,4267,7561}
1997/06/09 Slack Adjuster Has 45 Degree Elbow To Prevent Hose Rubbing {4261}
1997/06/09 Connector Has Been Replaced In The Rear Brake Oil Cooler Lines Group To Prevent Interference {5057,4257}
1997/06/09 Pressure Relief Line Added To Hoist Cylinder Line {5102,5057}
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.