TM 5-3805-248-23-2
CONTROL GROUP PRESSURE TEST - CONTINUED
0284 00
TESTING - CONTINUED
20.
With assistance, depress and hold the transmission control valve and operate engine.
21.
Position transmission speed select lever in EIGHTH speed.
22.
Depress accelerator pedal and hold until transmission shifts into EIGHTH speed.
23.
Release accelerator pedal and slowly move transmission selector lever through each speed to NEUTRAL.
NOTE
If transmission downshifts out of EIGHTH speed with transmission hold pedal depressed, transmission hold
valve is not operating (WP 0139 00).
24.
Release transmission hold valve pedal.
25.
Install locking pliers on manual selector shaft at left rear of transmission case.
26.
Depress and hold transmission hold valve pedal.
27.
Turn hand lever until engine rpm shown on transmission hydraulic test set tachometer reads 2,250 RPM.
28.
Use locking pliers on manual selector shaft to slowly shift transmission to REVERSE, FIRST speed and SECOND
speed. Record pressure gage readings to taps B and C, engine RPM and transmission speed.
29.
Use locking pliers on manual selector shaft to slowly shift transmission to THIRD speed through EIGHTH speed.
Record pressure gage readings for taps B and C, engine RPM and transmission speed.
30.
Release transmission hold valve pedal.
31.
Use locking pliers to shift manual selector shaft to NEUTRAL, and record pressure gage readings for taps B, C and D,
engine RPM and transmission speed.
32.
Use locking pliers to shift manual selector shaft into REVERSE, and record pressure gage readings for tap D, engine
RPM and transmission speed.
33.
Use locking pliers to shift manual selector shaft into FIRST speed, and record pressure gage readings for tap D, engine
RPM and transmission speed.
34.
Use locking pliers to shift manual selector shaft into NEUTRAL, and record pressure gage readings for tap D, engine
RPM and transmission speed.
35.
Use locking pliers to shift manual selector shaft into SECOND speed, and record pressure gage readings for tap D,
engine RPM and transmission speed.
0284 00-6
