1999/09/06 Caterpillar


New Support Brackets Relieve Loader Stress {6546}

Usage:


1088 XLC (9BW),
574 (1FM) Forwarders

Description of Change: New support brackets are available that relieve loader stress when roading the machine. When the boom is secured in the storage position, the support brackets will rest on the machine frame allowing the weight of the loader to be supported.

Adaptable To: The new 169-8317 Support Group and 172-5448 Support Group are effective with 574 (1FM1-Up) Forwarders and adaptable to first production for the machines listed by following the installation procedure.

Installation Of 172-5448 Support Group


Illustration 1.

(1) 160-9132 Support Assembly.
(2) 7X-2576 Bolt.

1. Install 160-9132 Support Assembly (1) onto existing frame holes used to mount the log bunks with two 7X-2576 Bolts (2), two 8T-4167 Washers, and two 6V-7676 Locknuts.

NOTE: The 172-5448 Support Group is used with the 167-7364 10 m (32.81 ft) Log Loader Arrangement. The pocket on the end of the loader will rest on the nose of the support assembly.

Installation of 173-5836 Modification Group & 169-8317 Support Group


Illustration 2.
169-8317 Support Group & 173-5836 Modification Group

NOTE: The 169-8317 Support Group and the 173-5836 Modification Group are used with the 167-7362 7.2 m (23.62 ft) and the 167-7363 8.5 m (27.89 ft) Log Loader Arrangements.


Illustration 3.

(3) 169-8315 Boss Assembly.
(4) 169-8319 Boss Assembly.
(5) 8T-4140 Bolt.
(6) 9X-8257 Washer.
(7) 169-8316 Boss.
(8) 169-8310 Support Assembly.
(A) 150 mm (5.91 in).
(B) 70 mm (2.76 in).
(C) 225 mm (8.86 in).

1. Weld one 169-8315 Boss (3) onto the stick assembly with a 6 mm (24 in) weld. See Illustration 3 for mounting instructions.

2. Install one 169-8319 Boss (4) onto the opposite side of the stick assembly with the same procedure used in Step 1.

3. Install one 169-8310 Support Assembly (8) with two 169-8316 Bosses (7) two 9X-8257 Washers (6) and two 8T-4140 Bolts (5).


Illustration 4.

(D) 15 mm (.59 in).
(E) 350 mm (13.78 in).
(F) 30 mm (1.18 in).

4. Fabricate two plates from structural steel according to the dimensions in Illustration 4.


Illustration 5.

(9) Fabricated plates.


Illustration 6.

(G) 230 mm (9.06 in).
(H) 120 mm (4.72 in).
(I) 260 mm (10.24 in).
(9) Fabricated plates.

5. Weld fabricated plates (9) onto the top guard assembly with a 5 mm (.20 in) fillet weld. See Illustration 6 for the location of the fabricated plates.

Caterpillar Information System:

1999/09/06 Correction To Parts Manual For Torque Converter {3101}
1999/09/06 Improved Cab Door Striker Plate {7308,7325}
1999/09/06 Improved Hinge Available For Cab Door {7308}
1999/09/06 Use The Correct Torque For Hydraulic Tank Sight Glass Bolts {5056}
1999/09/06 Front Gear Group Changed to Help Keep Oil Pump Adapter Assembly Bolts Tight {1206,1304}
1999/09/06 Custom Product Literature Available For Sound Suppression Package {0374,1801}
1999/09/06 793 Off-Highway Truck Final Drive Drain Plugs Now Have A Longer And Larger Magnet {4001,4201}
1999/09/06 New High Altitude Engine Arrangements Are Available with New Low-Pressure Turbocharger {1052}
1999/09/06 New Components In Turbocharger Oil Line Group {1052}
1999/09/06 Improved Bearing For Torque Converter Drive Gear {3101,7551}
1999/09/06 Plates Improve Retention Of Rolling Hose Clamps At The Boom Head {5057,6460}
1999/09/06 New Air Suspension Seats Are Available As Standard Attachment {7312,7321,7318,7324}
1999/09/06 New Hood Hinge Pin Improves Rust Protection {7251}
1999/09/06 Modification Of Governor Control Groups Eliminates Governor Sticking {1264,1265}
1999/09/06 New Plate Deflects Rain Water {1417}
1999/09/06 Improved Transmission Flow Control Valve Prevents Unstable Oil Pressure {3064}
1999/09/06 Serviceable Cover Group - Protection Piece Parts Available {5258,1408}
1999/09/13 Coolant Recovery Bottle Now Used {1354}
1999/09/13 Special Instruction, REHS0523, Available For Procedure To Install Engine Enclosures {1000,7150}
1999/09/13 New Blade Tip Cylinder Bracket Increases Wear Strip Life {5254,6174}
1999/09/13 Improved Window Latches Are Retrofittable {7308,7310}
1999/09/13 A New 90° Muffler Elbow Is Available For Certain Off-Highway Trucks {1061}
1999/09/13 New Custom Product Support Literature Is Available For 785C Off-Highway Trucks {0374,1428}
1999/09/13 Plate Kit Now Available To Reduce Asphalt Accumulation In The Engine Compartment {7051}
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.