TM 10-3930-641-34-1
TRANSMISSION TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
13. TRANSMISSION STAYS ENGAGED WHEN LEFT BRAKE PEDAL IS PUSHED
Test and inspect transmission neutralizer valve. (See page 6-7.)
Adjust or repair valve. (See page 6-7.)
14. TRANSMISSION DOES NOT WORK IN ANY FORWARD SPEED
Step 1. Inspect adjustment of direction control linkage.
Adjust linkage. (See TM 10-3930-641-20.)
Step 2. Inspect No. 2 clutch (forward direction clutch).
a.
Check for worn or damaged parts.
Replace as necessary. (See page 4-68.)
b.
Check for low oil pressure due to malfunctioning sequence and pressure control valve. (See page 4-237.)
Adjust pressure differential and safety valve. (See page 4-237.)
15. TRANSMISSION DOES NOT WORK IN ANY REVERSE SPEED
Step 1. Inspect adjustment of direction control linkage.
Adjust linkage. (See TM 10-3930-641-20.)
Step 2. Inspect No. 1 clutch (reverse direction clutch).
a.
Check for worn or damaged parts.
Replace as necessary. (See page 4-68.)
b.
Check for low oil pressure due to malfunctioning sequence and pressure control valve. (See page 4-237.)
Adjust pressure differential and safety valve. (See page 4-237.)
16. TRANSMISSION DOES NOT WORK IN FIRST SPEED, FORWARD OR REVERSE
Step 1. Inspect adjustment of speed control linkage.
Adjust linkage. (See TM 10-3930-641-20.)
Step 2. Inspect No. 6 clutch (first speed clutch).
a. Check for worn or damaged parts.
Replace as necessary. (See page 4-68.)
b. Check for low oil pressure due to malfunctioning sequence and pressure control valve. (See page 4-237.)
Adjust sequence and pressure control valve. (See page 4-237.)
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