TM 5-3805-280-24-1
Tests
9. To check propel motor for leakage at stall, install pins
or round bar stock (D) between the sprockets and track
frame.
Propel Motor--Specification
Leakage ................................................. 1.5--4.8 L/min (0.40--1.20 gpm)
new acceptable while stalled
Leakage ........................................................... 5.2 L/min (1.40 gpm) used
maximum acceptable while
stalled
Actuate propel pedal for function being checked to full
stroke for one minute. Record the amount of
A--Pin or Round Bar Stock
leakage.Repeat procedure by stalling the motor in several
positions and then take an average of readings.
Repeat procedure for the opposite direction.
TX,9025,GG2667
1909MAY974/5
9025
25
136
10. To check leakage at the propel motor, disconnect
drain line (A) at propel motor. Install JT03221 Plug in
the line. Connect a line to fitting on motor. Put line in
a calibrated container.
Repeat Steps 7 and 8. If leakage is more than
specification, repair or replace motor. If leakage is
within specification, repair or replace rotary manifold.
A--Propel Motor Drain Line
TX,9025,GG2667
1909MAY975/5
6-267
