Product Support Program For Installing An Automatic Ether Injection System (AEIS) on Certain 776B Tractors And 777B Trucks Caterpillar

NOTE: The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.

NOTE: This program can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS4585" as the Part Number, "7755" as Group Number, and "96" as Description Code.

Termination Date

Problem

Certain 776B Tractors and 777B trucks may experience problems during cold starts. An Automatic Ether Injection System (AEIS) can be installed to improve starting and combustion during cold startups and increase the service life of the engine.

Affected Product
Model & Identification Number

776B (6JC1-83)

777B (4YC1-1383)

Parts Needed

2 - 3B6768 Bushing

2 - 4N4274 Washer

8 - 8C5607 Mount

1 - 8C9006 Tee

1 - 8C9812 Switch

1 - 4D7794 Clip

3 - 6D1641 Clip

1 - 9D5659 Boss

1 - 3E4930 Plate

1 - 8E1415 Valve Assembly

4 - 5G6966 Spacer

4 - 9G3695 Plug

5 - 9G9150 Clip

1 - 9G9152 Clip

3 - 9G9154 Clip

1 - 9G9813 Alarm Group

1 - 3J1907 Seal

1 - 3J5390 Plug

3 - 4K6177 Clip

2 - 6K8180 Grommet

1 - 4L6454 Bolt

13 - 5M3062 Bolt

8 - 9M8406 Clip

3 - 7N0140 Tube Assembly

2 - 7N9737 Housing

2 - 7N9738 Housing

1 - 8N1523 Lockwasher

2 - 5P0598 Clamp

2 - 5P2948 Connector

1 - 5P4325 Clip

4 - 5p6313 Nut

4 - 5P6314 Sleeve

1 - 5P6315 Elbow

20 - 3S2093 Strap

1 - 3T3046 Clip Assembly

2 - 3T3048 Clip Assembly

2 - 3T3133 Switch

1 - 6T4361 Sensor

8 - 8T4224 Washer

14 - 8T4896 Washer

8 - 8T9043 Bolt

4 - 6V2686 Clip

2 - 6V5066 Seal

1 - 6V6809 Seal

4 - 2W9499 Bolt

1 - 8W8171 Tube

1 - 8W8172 Tube

1 - 8W8174 Tube

2 - 7X0459 Screw

1 - 7X0790 Tag

2 - 7X1062 Cylinder Assembly

2 - 7X1063 Orifice

2 - 7X1078 Nozzle Assembly

1 - 8X0912 Tube

2 - 8X3708 Lamp Assembly

1 - 8X3710 Plate Assembly

1 - 8X5003 Harness Assembly

2 - 8X5012 Plate

1 - 8X5013 Wire Assembly

1 - 8X5014 Wire Assembly

1 - 8X5018 Harness Assembly

1 - 8X5020 Plate Assembly

2 - 8X5048 Bracket Assembly

1 - 8X5415 Wire Assembly

1 - 8X7107 Harness Assembly

1 - 8X7433 Harness Assembly

1 - 8X8386 Wire Assembly

2 - 9X0147 Collar

1 - 9X0377 Control Group

1 - 9X3271 Adapter

1 - 9X3495 Clip Assembly

1 - 9X4542 Film

1 - 9X5303 Control Group

4 - 9X6165 Washer

1 - 9X6191 Film

2 - 9X7137 Valve Assembly

2 - 6Y9788 Plate

1 - SEHS9241 - Operator Instruction Card ^*

Action Required

If so equipped, remove the existing manual type ether injection system.

Follow the procedure in Special Instruction SEHS9329 "Installation of Automatic Ether Injection System (AEIS)" and install the Automatic Ether Injection System (AEIS).

Service Claim Allowances

NOTE: This is a 6-hour job.

Parts Disposition

Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.