New Alternator Group and Support Bracket are Now Used on Certain 770G and 772G Off-Highway Trucks {1207, 1357, 1358, 1397, 1405, 1802, 7168} Caterpillar

New Alternator Group and Support Bracket are Now Used on Certain 770G and 772G Off-Highway Trucks {1207, 1357, 1358, 1397, 1405, 1802, 7168}

Usage:

770G KDH

Off-Highway Truck/Tractor: 770G (S/N: RMA1-101; KDH1-372); 772G (S/N: KEX1-271)

Reference: Special Instruction, M0080793, "Procedure to Install New Alternator Group and Support Bracket on Certain 770G and 772G Off-Highway Trucks"

Description Of Change: New alternator group and support bracket are now used on the machines listed above. The new alternator group and support bracket reduces the vibration felt by the alternator from engine.

Adaptable To:

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Illustration 1	g06179649

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Illustration 2	g06178986
View of Area A

New alternator group and support bracket are adaptable to the machines within the listed serial numbers, and are effective in production with all machines after the listed serial numbers.

Refer to Table 1 for the list of parts required to install alternator group and support bracket

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Table 1
New Parts List
Qty	Part
2	067-2551 Clip
1	101-8917 Taperlock Stud
1	125-5006 Boss As
1	269-4983 Bracket As
1	297-1546 Clip
1	329-8797 Belt Tensioner
1	331-9604 Serpentine Belt
4	344-5675 Nut
3	353-7957 Grommet
2	368-6256 Plate As
1	454-7658 Bracket As
1	456-2547 Cable As
1	489-0273 Support Bracket
1	489-2245 Guard As
1	493-4498 Guard⁽¹⁾
1	493-4499 Guard⁽²⁾
1	4S-1962 Clip
2	5P-1075 Hard Washer
4	6N-8744 Mount
1	6V-8801 Nut
2	7X-0291 Bolt
4	7X-2539 Bolt
4	7X-2543 Bolt
2	8T-2502 Bolt
13	8T-4121 Hard Washer
6	8T-4136 Bolt
1	8T-4137 Bolt
1	8T-4172 Bolt
1	8T-4195 Bolt
8	8T-4122 Hard Washer
4	8T-4224 Hard Washer
5	8T-4896 Hard Washer
2	8T-9101 Bolt

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⁽¹⁾	is for the engines with a dual vibration dampener
⁽²⁾	is for the engines with a single vibration dampener

For complete procedure, parts, and tools required to install new alternator group and support bracket, refer to most recent version of Special Instruction, M0080793, "Procedure to Install New Alternator Group and Support Bracket on Certain 770G and 772G Off-Highway Trucks".

The Special Instruction can be found on the Caterpillar Service Information System (SIS) and through the normal literature distribution system at your local Cat dealer.