VEHICLE THROWS TRACK OR TRACK JUMPS SPROCKET TEETH.

TM 9-2350-238-20-1

2-11. TROUBLESHOOTING INFORMATION (CONT).

Table 2-3. UNIT TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

80. VEHICLE THROWS TRACK OR TRACK JUMPS SPROCKET TEETH.

Step 1.

Inspect drive hub sprocket teeth.

Adjust tension. Refer to TM 9-2350-238-10.

Replace worn or damaged parts. Refer to page 2-869.

Step 2.

Check that vehicle is being operated properly. Refer to TM 9-2350-238-10 and

FM 21-17.

81. TRACKS REQUIRE REPEATED ADJUSTMENT.

Step 1.

Check for proper adjustment of tracks.

Eccentric spindle nuts must be torqued to 575 to 600 ft-lb

(780 to 814 N-m). Refer to TM9-2350-238-10.

Step 2.

Inspect tracks, drive hub sprockets, and idler wheel arm and hub.

Replace worn or damaged parts as required. Refer to page 2-873,

82. VEHICLE LEANS TO ONE SIDE OR VEHICLE PITCHES.

Check for broken torsion bar. Refer to TM 9-2350-238-10.

Replace broken torsion bars. Refer to page 2-834.

83. TRACK CENTER GUIDES RIDE ON TOP OF ROADWHEEL.

Step 1.

Check track tension.

Adjust track tension. Refer to TM 9-2350-238-10.

Step 2.

Check for bent roadwheels and arms.

Replace roadwheels and arms as required. Refer to page 2-848 and

2-80