TM 5-3805-248-23-2
CONTROL GROUP PRESSURE TEST - CONTINUED
0284 00
TESTING - CONTINUED
NOTE
If all pressures are satisfactory, EXCEPT pressures recorded at tap B, the torque converter may need
If the torque converter is operating, the retarder control valve may need service or replacement (WP
If all pressures are satisfactory, EXCEPT pressures recorded at tap D, the transmission oil pump may
Table 2. Transmission Control Pressure
Chart (psi).
Engine
Transmission
Speeds 1
Speeds 3
Effect of Changing
Pressure Tap
Reverse
RPM
Neutral
and 2
through 8
Spacers
A - Transmission Oil
750
390 min
285 min
390 min
285 min
Pressures at taps A,
Pump
2,250
445-460
345-360
445-460
345-360
B and C change if
spacers are
B - System Pressure
750
380 min
275 min
380 min
275 min
changed. See spacer
No. 1
2,250
400-420
285-305
400-420
285-305
this work package.
C - System Pressure
750
380 min
275 min
380 min
275 min
No. 2
2,250
400-420
285-305
400-420
285-305
D - Lubrication Pres-
750
1 min
1 min
1 min
1 min
Pressures at taps D,
sure
2,250
16-22
16-22
16-22
16-22
E and F do not
change if spacers
750
1 min
1 min
are changed. See
Pressure
2,250
55-70
55-70
F - Torque Conv. Out-
1765 to
34-44
age.
let Pressure
1,895
0284 00-8