TM 5-3895-379-23-1
0045
TROUBLESHOOTING PROCEDURE
WARNING
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.
SYMPTOM
PARKING BRAKE DOES NOT ENGAGE WHEN PARKING BRAKE SWITCH IS PUSHED DOWN
MALFUNCTION
No Power At Parking Brake Switch.
CORRECTIVE ACTION
1.
Remove nine screws and washers and remove panel from operator station.
2.
Push parking brake switch down.
3.
Touch positive (+) probe of multimeter to terminal 4 (wire 419-YL).
4.
Touch negative (-) probe of multimeter to good ground.
5.
Turn engine start switch to OFF position (TM 5-3895-379-10).
6.
Turn battery disconnect switch to OFF position (TM 5-3895-379-10).
If 24 to 28 VDC are not measured at terminal 4 (wire 419-YL), replace parking brake
switch (WP 0156).
0045-2
03/15/2011Rel(1.8)root(tswp)wpno(T00051)
