Power Train Pressures
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| Illustration 1 | g03659701 |
Transmission with retarder (1) Pressure to cooler from retarder (when engaged) (2) Lube pressure port (3) Pressure to retarder (when engaged) (4) Torque converter outlet pressure port (5) Retarder activation pressure port | |
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| Illustration 2 | g03691851 |
Transmission without retarder (2) Lube pressure port (3) Pressure to retarder (when engaged) (4) Torque converter outlet pressure port (6) Lockup clutch pressure port (7) Clutch #1 (C1) pressure coupler (8) Clutch #2 (C2) pressure coupler (9) Clutch #3 (C3) pressure coupler (10) Clutch #4 (C4) pressure coupler (11) Clutch #5 (C5) pressure coupler (12) Pump outlet pressure port (13) Filter outlet pressure port (14) Torque converter inlet pressure port | |
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| CX31 Power Train Pressures | |||
|---|---|---|---|
| Pressure Taps |
Description | Low Idle (1) | High Idle (2) |
| 1 | Retarder Outlet Pressure | 31 ± 14 kPa (4.5 ± 2 psi) |
207 ± 69 kPa (30 ± 10 psi) |
| 2 | Lube Pressure | 28 kPa (4 psi) Minimum |
207 kPa (30 psi) Minimum |
| 3 | Transmission Outlet Pressure | 207 ± 69 kPa (30 ± 10 psi) |
240 ± 70 kPa (35 ± 10 psi) |
| 4 | Relief Pressure for the Torque Converter Outlet (Min) | 207 ± 69 kPa (30 ± 10 psi) |
380 ± 69 kPa (55 ± 10 psi) |
| 5 | Retarder Actuation Pressure | - | 689 ± 69 kPa (100 ± 10 psi) |
| 6 | Pressure for the Torque Converter Lockup Clutch | - | 2137 ± 69 kPa (310 ± 10 psi) |
| 7 | Clutch #1 (C1) pressure coupler | 1900 ± 69 kPa (275 ± 10 psi) |
2200 ± 69 kPa (320 ± 10 psi) |
| 8 | Clutch #2 (C2) pressure coupler | - | 2070 ± 69 kPa (300 ± 10 psi) |
| 9 | Clutch #3 (C3) pressure coupler | 1900 ± 69 kPa (275 ± 10 psi) |
2200 ± 69 kPa (320 ± 10 psi) |
| 10 | Clutch #4 (C4) pressure coupler | - | 2200 ± 69 kPa (320 ± 10 psi) |
| 11 | Clutch #5 (C5) pressure coupler | 1900 ± 69 kPa (275 ± 10 psi) |
2200 ± 69 kPa (320 ± 10 psi) |
| 12 | Pressure for the Transmission Pump Outlet | 2137 ± 69 kPa (310 ± 10 psi) |
2413 ± 69 kPa (350 ± 10 psi) |
| 13 | Relief Pressure for the Transmission Hydraulic Control | 1931 ± 69 kPa (280 ± 10 psi) |
2137 ± 69 kPa (310 ± 10 psi) |
| 14 | Relief Pressure for the Torque Converter Inlet (Max) (3) | 1034 kPa (150 psi) |
1034 kPa (150 psi) |
| Normal Operating Pressure for the Torque Converter Inlet | 207 ± 69 kPa (30 ± 10 psi) |
621 ± 69 kPa (90 ± 10 psi) |
|
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| ( 1 ) | Specified Value at 80° C (176° F) Sump Temperature and at 600 rpm |
| ( 2 ) | Specified Value at 80° C (176° F) Sump Temperature and at 2100 rpm |
| ( 3 ) | Torque converter inlet pressure will not reach relief under normal operating temperatures. (not practical to check for relief setting in the field) |
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| CX31 Transmission Clutch Assignments | |||||||
|---|---|---|---|---|---|---|---|
| Operation | CLUTCHES | Transmission Output Speed at 800 RPM Input with LUC Engaged (RPM) | Transmission Output Speed at 2200 RPM Input with LUC Engaged (RPM) | ||||
| 1 | 2 | 3 | 4 | 5 | |||
| NEUTRAL | O | 0 | 0 | ||||
| 1 (FORWARD) | O | O | 182 | 500 | |||
| 2 (FORWARD) | O | O | 343 | 943 | |||
| 3 (FORWARD) | O | O | 522 | 1435 | |||
| 4 (FORWARD) | O | O | 800 | 2200 | |||
| 5 (FORWARD) | O | O | 1113 | 3062 | |||
| 6 (FORWARD) | O | O | 1315 | 3617 | |||
| REVERSE | O | O | 201 | 554 | |||
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