TM 5-3895-379-23-1
0048
TROUBLESHOOTING PROCEDURE
SYMPTOM
PROPEL SYSTEM DOES NOT CHANGE SPEEDS WHEN PROPEL SPEED SWITCH IS MOVED
MALFUNCTION
Propel Control Valve Faulty.
CORRECTIVE ACTION
WARNING
Remove all jewelry such as rings, dog tags and bracelets. If jewelry contacts
electrical connection a direct short may occur resulting in injury or death, and
damage to equipment.
Ensure that parking brake is engaged and propel control lever is in neutral
position before turning engine start switch to ON position. If roller accidentally
starts or rolls, injury or death to personnel may occur.
1.
Open left-side door assembly (TM 5-3895-379-10).
2.
Move propel speed switch into high (hare) position.
3.
Turn battery disconnect switch to ON position (TM 5-3895-379-10).
4.
Turn engine start switch to ON position (TM 5-3895-379-10).
5.
Place blade end of screwdriver approximately 1/4 in. (6 mm) from center of hex nut on shift
solenoid.
6.
Magnetic force should pull screwdriver to shift solenoid.
a.
If magnetic force pulls screwdriver to shift solenoid, replace propel control valve
b.
If magnetic force does not pull screwdriver to shift solenoid, go to next malfunction.
0048-2
03/15/2011Rel(1.8)root(tswp)wpno(T00054)