19600-01970 PUMP ASSY, INJECTI Calibration Data

Necessary Parts
Removals
The existing system for ground level shutdown control is mechanically activated through a pull cable located near the front bumper. This governor related system will be replaced by an electronic activated system.1. Remove the mechanical shut-off group which consists of the following items:
5T4841 Shut-Off Group (Mechanical) Remove All Parts2. Connected to this group is the Governor Control Group (Chassis) which must be removed.Remove the following items:
5T3209 Governor Control Group Chassis (8GB1-253) Remove All Parts
5T3209 Governor Control Group Chassis (8GB254-676) Remove All Parts
5T3209 Governor Control Group Chassis (8GB677-Up) Remove All Parts
7C5872 Governor Group (8G677-Up). Remove The Following Items. 1. 8W7476 Tube Assembly. 2. 3J7354 Seal. 3. 6D9853 Hose Assembly. 4. 3D7587 Elbow. 5. 8T6765 Plug. 6. 8W7477 Plate. 7. Four 2B2695 Bolt. 8. Four 9M1974 Washer. 9. 5D0470 Valve Group. 10. Two 5S0003 Nut.3. Some air lines and connections must be removed from the cab.Remove the following items from the 5T0861 Air Tank Group (Cab) in order to remove the mechanical governor's air tank system:
5T0861 Air Tank Group (Reference Only)Remove only the items listed in the top chart above labeled "Removal From 5T0861 Air Tank Group (Cab)".
2A6504 Air Tank GroupThe group should now resemble 2A6504 Air Tank Group.4. The governor control group (cab) group was supplied in two major versions.* Without elevated low idle.* With elevated low idle. Remove the low idle from your truck.5. WITHOUT elevated low idle - remove all the following items.
5T0853 Governor Control Group Without Elevated Low Idle6. WITH elevated low idle - Remove the following items.
5T0853 Governor Control Group With Elevated Low Idle The elimination of the small air tank also dictates that changes be made to the control group-brake (service) (cab).7. Remove the following items.
5T0851 Control Group - Service Brake8. Install the following items, using the 2A6499 Service Brake Control Group as an installation guide.* 1-4S7572 Hose Assembly* 1-8X8579 Plate Assembly (Resembles 5T3031 Plate Assembly)* 1-8X7797 Gasket* 4-5M3062 Bolt* 4-8T4896 Washer
2A6499 Page 1 of 4 (Reference Only)
2A6499 Page 2 of 4 (Reference Only)
2A6499 Page 3 of 4 (Reference Only)
2A6499 Page 4 of 4 (Reference Only)9. With the removals and additions, the control group (brake) should resemble the 2A6499 Service Brake Control Group.
5T6544 Brake Control Group10. Connect 4S7527 Hose Assembly (1) of the (5T6544 Brake Control Group) to 4K2986 Anchor Tee (5T0851 Brake Control Group) after removing 2D7325 Tee and 3D6388 Hose Assembly from 5T0853 Governor Control Group (Cab).11. Trucks with elevated low idle only; 8GB419-Up: Connect 4S7528 Hose Assembly of the (5T0851 Brake Control Group) to 2G8815 Pressure Protection Valve, after removing 2D7325 Tee and 4D6243 Hose Assembly from 5T0853 Governor Control Group (Cab).
Typical Example
Typical Example12. The pressure protection valve should look like one of the above photographs, depending upon the attachments on the truck and the date of manufacture. Connect all hoses.Installation of Ground Level Shutdown
The EUI ground level shutdown control will be electrical. The new system will replace the mechanical shutdown shown.
8W3873 Cover1. Modify the existing 8W3873 Cover to accept the new switch as shown in the illustration above. The