BRACE AS 4J2592 - Caterpillar

Power Train Pressures without Retarder
Illustration 1 g02050735
Typical example of a CX31–P600 Petroleum Transmission (shown without integral pump drives)
(1) Filter inlet pressure coupler (S O S port)
(2) Filter outlet pressure coupler
(3) Lockup clutch pressure coupler
(4) Clutch #1 (C1) pressure coupler
(5) C2 pressure coupler
(6) C3 pressure coupler
(7) C4 pressure coupler
(8) C5 pressure coupler
(9) Converter inlet pressure coupler
(10) Transmission outlet pressure coupler (cooler inlet)
(11) Converter outlet pressure coupler
(12) Transmission lubrication pressure coupler
Table 1
CX31-P600 Power Train Pressures
Pressure Taps Description Low Idle(1) High Idle(2)
(1) Pressure for the transmission pump outlet and transmission filter inlet 1915 125 kPa (278 18 psi) 2365 175 kPa (343 25 psi)
(2) Relief pressure for the transmission hydraulic control 1895 125 kPa (275 18 psi) 2250 85 kPa (326 12 psi)
(3-4) Pressure for the transmission lockup clutch and clutch number 1 1840 150 kPa (267 22 psi) 2150 170 kPa (312 25 psi)
5 Pressure for the transmission clutch number 2 1700 150 kPa (247 22 psi) 2010 170 kPa (292 25 psi)
(6-8) Pressure for the transmission clutches number 3, 4, and 5 1900 100 kPa (276 15 psi) 2240 140 kPa (325 20 psi)
(9) Relief pressure for the torque converter inlet 150 50 kPa (22 7 psi) 670 70 kPa (97 10 psi)
(11) Converter outlet pressure coupler 130 45 kPa (19 7 psi) 420 100 kPa (61 15 psi)
(12)