1998/06/29 Caterpillar


New Fan Blast Deflector Reduces Crop Disturbance {1351,1360,1381}

Usage:


Challenger 35 (8DN),
Challenger 45 (1DR),
Challenger 55 (7DM) Agricultural Tractors

Description of Change: An improved fan air blast deflector is available. The new deflector redirects the airflow in order to minimize dust disturbance. The new deflector also reduces the likelihood of crop foliage catching on the undercarriage.

Adaptable To: The new fan blast deflector is effective with Challenger 35 (8DN915), Challenger 45 (1DR1879), and Challenger 55 (7DM1235) Agricultural Tractors and adaptable to Challenger 35 (8DN1-914), Challenger 45 (1DR1-1878), and Challenger 55 (7DM1-1234) Agricultural Tractors.

NOTE: Earlier machines did not have a deflector, while later machines before this change may have a rubber baffle installed in this area.

Machines made before this change may be modified using the parts listed in the following chart. Make sure that the 129-6647 Strip and the 129-7627 Rubber Baffle are removed first (if equipped).


104-2291 Frame Group

(A) 17.5 mm (.69 in)
(B) 198 mm (7.8 in)
(C) 217 mm (8.5 in)
(D) 108-1617 Plate Assembly

Caterpillar Information System:

1998/06/22 New Guideline For Product Information, SEBF8340, " Fuel Systems Troubleshooting Guide For 3204, 3300, And 3400 Engines With New Scroll Fuel Systems (NSFS)" Available {0374,1250}
1998/06/22 Do NOT Interchange Electrical Stators Between Electronic Unit Injectors (EUIs) {1290}
1998/06/22 More Frequent S·O·S Oil Analysis Improves Component Life Cycle Management {7577,7542,7576,7571,7574,7578,7575,7573}
1998/06/22 New Cast Iron Valve Guide And New Exhaust Valve With Chrome Plated Stem Will Help Prevent Early Hour Exhaust Valve Sticking In 3304 And 3306 Machine Engines {1104,1105}
1998/06/22 Improved Telehandler Electrical System Requires New Fuses {1609,1417}
1998/06/22 New Pinned Torque Converter Impeller Bearing {3101,3135}
1998/06/22 Revised Service Manual, SENR6614-02, Payload Control System (PCS) Available {0374}
1998/06/22 New Implement Control Group Available With Numerous Enhancements {7490}
1998/06/22 Correction To Specifications, SENR2605-04 {0374,4202}
1998/06/22 Correction To Disassembly And Assembly Manual, SENR2608-01 {0374,4202}
1998/06/22 Installation Of New Inter-Axle Differential Lock Actuator {3273,3159,3287,3270}
1998/06/22 Serviceable O-Ring Plugs And O-Ring Seals Available For Brake Pressure Reducing Valve {5051}
1998/06/29 New Camshaft Gasket Used In Engine Front Housing Group {1150,1162,1166}
1998/06/29 Improved Cover Assemblies And New Washers Reduce Lever Effort On 24H Motor Graders {7323}
1998/06/29 Extended Life Coolant Standard Factory Fill {1352}
1998/06/29 Aluminum Spools Used in Transmission Hydraulic Controls {3030,3167}
1998/06/29 Correction To SENR1275 And SENR1276 Electrical Schematics {7490}
1998/06/29 New Lamp Rocker Switch Provides Higher Load Capability {1429,1435,7332}
1998/06/29 Improved Seal Material Used In Dry Brake Assembly {4256,4004}
1998/06/29 New Procedure Improves Quality Of Ride And Ease Of Service {5077,5081,7200}
1998/06/29 Improved Brake Lines And Routings {4257,4004,4008,7166}
1998/06/29 Correction To Service Manual, SENR5664-03, "Air Conditioning And Heating Systems With R-134a Refrigerant" {0374,1809,7320}
1998/06/29 Contour Series Seat Adjustment Procedure Available To Reduce Side To Side Motion {7324}
1998/06/29 Shimming Procedure Available For Contour Series Seats To Improve Stability {7324}
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