TM-5-3895-372-20

CONCRETE-MOBILE MIXER BODY M919, MODEL 8CM-24/F

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL

AUGUST 1980

TM-5-3895-372-20 - Page 379 of 694

TM 5-3895-372-20

Table 8-1.

Cement System Troubleshooting Procedures (Continued)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

7.

CEMENT SCREEN DOES NOT VIBRATE (Continued):

Step 3.

Check that chassis air pressure is over 65 psi (448 kPa).

Start up truck and allow pressure to build up.

If pressure remains low, trouble-

shoot chassis air system (see TM 9-2320-273-20).

Step 4.

Check for air leaks.

Tighten connections or replace leaking part (para 11-12).

Step 5.

Check air supply at vibrator.

Find blocked line or valve.

Remove block or replace part (para 11-12).

Step 6.

Replace vibrator (para 11-8).

8-15