POWER SHIFT TRANSMISSIONTESTING AND ADJUSTINGTM 5-3805-263-14&P-2TRANSMISSION CONTROL GROUP1. Pilot valve group (first level). 2. Direction selector and pressure control valve group (second level). 3. Selec-tor and pressure control group (third level). 4. Selector and pressure control group (fourth level). 5. Manifold.B. Pressure tap for speed clutch (P1). C. Pressure tap for direction clutch (P2). E. Pressure tap for pilotpressure.PILOT VALVE GROUP (FIRST LEVEL)1 . P i l o t v a l v e g r o u p . 6 . S p o o l . 7 . D r a i n c a v i t y . 8 . P i l o tpressure cavity.SELECTOR AND PRESSURE CONTROL GROUP(THIRD LEVEL)3. Selector and pressure control group.14. Manual modula-tion valve. 15. Differential, check, and safety valve. 16.Speed selector spool.17. Speed selector spool.18. Passageto No. 4 clutch.19. Passage to No. 5 clutch.DIRECTION SELECTOR AND PRESSURE CONTROLVALVE GROUP (SECOND LEVEL)2. Direction selector and pressure control valve group. 8.P i l o t p r e s s u r e c a v i t y .9 . S p o o l .10. System pressurecavity. 11. Priority reducing valve. 12. Passage to forward(No. 1) clutch.13. Passage to reverse (No. 2) clutch.SELECTOR AND PRESSURE CONTROL GROUP(FOURTH LEVEL)4. Selector and pressure control group.20. Load piston. 21.Modulating reducing valve. 22. Spacers. 23. Speed selectorspool (three position).24. Passage to No. 6 clutch. 25.P a s s a g e t o N o . 7 c l u t c h . 2 6 . S p o o l s e l e c t o r s p o o l . 2 7 .Passage to No. 3 clutch.2-36
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