1999/07/26 Caterpillar

New Location For Ground Wire{1408,7423}

Usage:

487 (6KW),
495 (5TZ),
687 (4FZ),
695 (8MW) Tree Harvesters;
550 (7ZN),
570 (4XR),
580 (7CN) Wheel Harvesters

Description of Change: The position of the ground wire located near the articulated hitch has been moved to help guard against debris.

Adaptable To: The new position for the ground wire is effective with 550 (7ZN1-Up), 570 (4XR1-Up), and 580 (7CN1-Up) Wheel Harvesters. The new ground wire location is adaptable to first production for the Tree Harvesters listed by following the installation instructions.

Installation Procedure

Illustration 1.

1. Remove the existing bolt and washer from the frame.

Illustration 2.

2. Drill and Tap an 8.7 mm (.34 in) hole into the frame at the approximate location seen in Illustration 2.

3. Move the ground wires into the new location using the existing bolt and washer.

Caterpillar Information System:

1999/07/26 An Improved Throttle Cable Is Available For Certain Soil And Asphalt Compactors{5462}

1999/07/26 Revised Repair Procedure For Large Off-Highway Truck Bladder Type Accumulators{0374,4331}

1999/07/26 New Bracket Assembly And Clamps In Water Lines Groups Provide Improved Tube Retention{1380}

1999/07/26 Improvements Have Been Implemented On The Superstructure Of Large Off-Highway Trucks{7050}

1999/07/26 Filtered Adapter Reduces False Air Filter Warnings{7400,7452}

1999/07/26 Correction To Service Manual Module SEBU6757; Operation & Maintenance Manual{0374,0375}

1999/07/26 The Special Instruction For Installing Universal Lines Kits Is Now Updated{5057}

1999/07/26 Improved Tilt Stem Smoothes Out Bucket Movement{5051}

1999/07/26 A Special Instruction For Repairing Thermoset Fenders And Hoods Is Now Available{7251,7252}

1999/07/26 Improved Water Separator Group Used{1258,1260,1263}

1999/07/26 Improved Hydraulic Coupler Retrofit Instructions{6129,5057,5051}

1999/07/19 Front Crankshaft Seal Is Now Serviceable {1160}

1999/08/02 Cold Start Advance Solenoid Available {1272,1250}

1999/08/02 Identifying The Engine In A Backhoe Loader {1000,1001}

1999/08/02 Procedure For Converting Standard Controls To Finger Tip Controls {4343}

1999/08/02 Engine Derate Parameter On Electronic Technician And Vital Information Management System May Give False Value {7620}

1999/08/02 New Oil Pump Group Used {1304}

1999/08/02 914G & IT14G Speeder Models Are Now Standard Production Machines {3000,7000}

1999/08/02 New Flywheel Housing Gasket For 3408 And 3412 Machine Engines {1152}

1999/08/02 New Material Improved Durability for STAY CLEAN VALVE(r) in Caterpillar High Efficiency Fuel Filters {1262}

1999/08/09 Reporting Incidents Through The Cat Neutral Net {0374}

1999/08/09 Extra Support For Center & Rear Brake Lines {4257}

1999/08/09 New Pressure Switches With Improved Reliability {1435}

1999/08/09 New Hydraulic Oil Change Procedure Used {3080,0374,0375,5056}