SUPPORT-FLASHING 0820199 - Caterpillar

Important Information
When testing must be done in a closed area, activate the brakes and use blocks to prevent the machine from moving during the tests. Let only approved personnel on the machine. Keep other personnel off the machine and in view of the operator.
All tests and adjustments must be made with the oil in the hydraulic control system at normal operating temperature. Be sure the linkage adjustments are correct before making any tests.
RELATION OF HYDRAULIC CONTROLS TO FLYWHEEL CLUTCH AND RANGE TRANSMISSION
HYDRAULIC CONTROLS (FIFTH SPEED FORWARD)
1. Body of the pressure control valve. 2. Combination (safety, differential and flow control) valve. 3. Stop assembly. 4. Body of the selector valve. 5. Spool for direction selection. 6. Load piston. 7. Modulating reducing valve. 8. Pressure relief valve. 9. Spools for speed and range selection. 10. Reducing valve for the No.7 clutch. 11. Relief valve for the oil cooler. 12. Oil cooler. 13. Oil filter. 14. Oil pump. 15. Scavenge pump. 16. Magnetic strainer. 17. Screen. 18. Oil reservoir. 19. Oil reservoir. A. Pressure tap, P2, for the direction clutch. B. Pressure tap, P1, for the speed clutch. C., G., and H. Pressure taps for the pump. D. Pressure tap, CL7, for the No.7 clutch. E. Pressure tap, P3, for inlet to the oil cooler. F. Pressure tap for lubrication.Location Of The Pressure Taps and transmission testing
A. Direction clutch, P2. B. Speed clutch, P1. C., G., and H. Pump. D. No.7 clutch, CL7. E. Inlet to the oil cooler, P3.
F. Lubrication.
7S8620 PRESSURE CONTROL VALVE
1. Body of the pressure control valve. 7. Modulating reducing valve. 8. Pressure relief valve. 10. Reducing valve for the No.7 clutch. 20. Spacers. 21. Spacers. 22. Spacers. Adjustment Of The Selector Spools
Do not make any adjustments to the linkage with the engine running.
ADJUSTMENT OF THE SELECTOR SPOOLS
4. Valve body. 9. Selector spools.Make the adjustment to spools (9) with the detent all the way to the bottom in the No.5 holding position (notch) of the cam assembly. Make the adjustment to all three spools so the end of the first land of each spool is even with the right side of selector valve body (4) as shown.