TM-5-2350-377-13-P
ARMORED COMBAT EARTHMOVER (ACE), M9
TECHNICAL MANUAL; OPERATOR AND FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST SUPPORTING THE HYDRAULIC BLADE FOLDER-TRACK TENSIONER
JUNE 2012
TM-5-2350-377-13-P - Page 60 of 404
TRACK TENSION ADJUSTMENT - Continued
3.
Adjust the hard throttle so engine idles at 750-850 rpm to maintain hydraulic pressure. Allow engine to idle for
five minutes so that the vehicle will settle into a constant position.
NOTE
Every time the tracks are loosened by track loosening switch, adjust tension in both tracks
one at a time using the steps listed below.
4.
Move track loosening switch (Figure 2, Item 1) momentarily (two to three seconds) to loosen both tracks.
Vehicle will move slightly as track adjust cylinders retract.
1
O0010HBF
Figure 2.
Track Tension Adjustment.
NOTE
Record measurement from middle of top of No. 4 roadwheel to track.
5.
Dismount vehicle and inspect track. The track should just touch the top of No. 3 roadwheel, and should be
1-1/4 to 2 inches (3.2 to 5.1 cm) above the top of No. 4 roadwheel (Figure 3).
FRONT OF
VEHICLE
TRACK SHOULD
TOUCH HERE
MEASURE FROM
MIDDLE OF TOP
OF ROADWHEEL
1-1/4 TO 2 IN. (3.2 TO 5.1 CM)
BETWEEN TOP OF
ROADWHEEL AND
BOTTOM OF TRACK
NO. 4 ROADWHEEL
NO. 3 ROADWHEEL
GROUND LEVEL
O0011HBF
Figure 3.
Track Tension Adjustment.
TM 5-2350-377-13&P
0007
0007-2
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