- Track-Type Tractor:
- D9R (S/N: 7TL1-UP)
Replace the illustration of the selector and pressure control valve in the "Selector and Pressure Control Valve" section with the following graphic.
Illustration 1 | g00992474 |
Selector and Pressure Control Valve (A) First gear (B) Second gear (C) Third gear (D) REVERSE (E) NEUTRAL (F) FORWARD (1) Speed selector spool (2) Modulation relief valve (3) Load piston (4) Inlet passage from transmission oil pump (5) Outlet passage to torque converter (6) Ratio valve (7) Pressure differential valve (8) Direction selector valve |
Replace the illustration of "Transmission Hydraulic Controls" in the "Engine Running (Transmission in Neutral)" portion of the "Operation of the Transmission Hydraulic Controls" section with the following graphic.
Illustration 2 | g01006274 |
Transmission Hydraulic Control (Engine Running, Transmission in Neutral) (1) Priority valve (2) Speed selection spool (3) Valve body (4) Load piston (5) Screened orifice (6) Orifice (7) Pressure differential valve (8) Orifices (9) Flow control orifice (10) Direction selection spool (11) Ratio valve (12) Orifice (14) Modulation relief valve (E) No. 5 clutch (F) No. 4 clutch (G) No. 1 clutch (H) No. 2 clutch (J) No. 3 clutch (AA) Speed clutch pressure (P1) (BB) Torque converter inlet pressure (P3) (LL) Return oil |
Replace the illustration of "Transmission Hydraulic Controls" in the "Engine Running (Neutral To First Speed Forward)" portion of the "Operation of the Transmission Hydraulic Controls" section with the following graphic.
Illustration 3 | g01006275 |
Transmission Hydraulic Control (Engine Running, Neutral to First Speed Forward) (1) Priority valve (2) Speed selection spool (3) Valve body (4) Load piston (5) Screened orifice (6) Orifice (7) Pressure differential valve (8) Orifices (9) Flow control orifice (10) Direction selection spool (11) Ratio valve (12) Orifice (14) Modulation relief valve (E) No. 5 clutch (F) No. 4 clutch (G) No. 1 clutch (H) No. 2 clutch (J) No. 3 clutch (AA) Speed clutch pressure (P1) (BB) Torque converter inlet pressure (P3) (DD) Direction clutch pressure (P2) (LL) Return oil |
Replace the illustration of "Transmission Hydraulic Controls" in the "Pressure Differential Valve Operation" portion of the "Operation of the Transmission Hydraulic Controls" section with the following graphic.
Illustration 4 | g01006277 |
Transmission Hydraulic Control (Pressure differential valve operation) (1) Priority valve (2) Speed selection spool (3) Valve body (4) Load piston (5) Screened orifice (6) Orifice (7) Pressure differential valve (8) Orifices (9) Flow control orifice (10) Direction selection spool (11) Ratio valve (12) Orifice (14) Modulation relief valve (E) No. 5 clutch (F) No. 4 clutch (G) No. 1 clutch (H) No. 2 clutch (J) No. 3 clutch (AA) Speed clutch pressure (P1) (BB) Torque converter inlet pressure (P3) (LL) Return oil |