REDUCER 1W1339 - Caterpillar

Calibration Mode
Table 1
Calibration Submodes
The Caterpillar Monitoring System is in the Calibration Mode in order to access. The Calibration Mode is Mode 5.    
Submode Number (1)     Engine Status     Description of Calibration Submode    
01     OFF     Left Pedal (Full Up)    
02     OFF     Left Pedal (Full Down)    
03     OFF     Center Pedal (Full Up)    
04     OFF     Center Pedal (Full Down)    
05     OFF     Right Pedal (Full Up)    
06     OFF     Right Pedal (Full Down)    
07     OFF     Speed/Direction Control Lever (Forward)    
08     OFF     Speed/Direction Control Lever (Neutral)    
09     OFF     Speed/Direction Control Lever (Reverse)    
10     OFF     Throttle Limit Switch (Check)    
11     OFF     Switch for Tilt Lever Position (Check)    
12     OFF     Parking Brake Limit Switch (Check)    
13     OFF     Machine Application Software (Software Part Number), and Reset of Calibration    
14     OFF     "--"    
15     ON     Minimum Track Speed Calibration    
16     ON     Track Speed Synchronization Calibration    
17     ON     Maximum Track Speed Calibration    
18     ON     Engine Speed Display    
19     ON     Display of Override Pressure    
20     ON     Transmission Stall Test    
21     ON     Parking Brake Status (Check)    
22     ON     Left Track Speed Display    
23     ON     Right Track Speed Display    
24     ON     Fuel Flow (Measurement)    
25     ON     "--"    
26     ON     Signal Pressure for the Left Motor    
27     ON     Signal Pressure for the Right Motor    
( 1 ) Only the submodes for the current engine status (ON or OFF) are accessible. The engine OFF submodes are 1 - 14. The engine ON submodes are 15 - 27.Calibration Mode is used to make several adjustments to the Hydrostatic Transmission Electronic Control System. The system will not function well without these adjustments. The best performance will result only after these adjustments are made. Status information which may be helpful during troubleshooting is also provided. The submodes of calibration mode are listed in the preceding chart. The service switches select the submode. The service switches make any adjustments.Refer to the Systems Operation/Testing and Adjusting, SENR8314, " 953C 963C 973C Track-Type Loaders Transmission Electronic Control System", "Accessing Calibration Submodes" for the procedures and a complete description of calibration submodes.
Illustration 8 g00812565
The hydrostatic transmission ECM uses the main display module on the Caterpillar Monitoring System in order to show the calibration information to the service technician.Calibration Mode 5 has a total of 27 submodes. Submodes01 to 14 are performed with the ENGINE OFF.
Illustration 9 g00812567
Calibration Mode 5 has a total of 27 submodes. Submodes 15 to 27 are performed with the ENGINE ON.When the technician performs the ENGINE ON calibrations, a minimum travel distance of 45.75 m (150 ft) is required.Note: When submodes 15 through 27 are selected,