TM-5-3895-372-10

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

TECHNICAL MANUAL; OPERATION INSTRUCTIONS

OCTOBER 1979

TM-5-3895-372-10 - Page 122 of 184

TM 5-3895-372-10

Table 3-2. Troubleshooting Procedures - Continued

Malfunction

Test or Inspection

Corrective Action

Step 4.

If problem is still not corrected.

Notify Organizational Maintenance.

AGGREGATE SUPPLY SYSTEM

4. MIX SEEMS TOO SANDY OR STONY

Step 1.

Check to be sure all ingredients controls are at the settings you have been given.

If they are not, reset them (para 2-2).

Step 2.

Check that bins have sand and stone in them.

Refill empty bins

Step 3.

Check that vibrators are functioning. Place your hand on the side of the bin and feel for vibrations.

a. If vibrators are not functioning, see malfunction 6.

b. Sometimes the automatic vibrating action is not strong enough to shake aggregates onto the

conveyor belt.

Pull on the manual vibrator control to increase shaker action. See page 1-6 for

correct location of manual vibrator control.

NOTE

If sand is still bridged in the bin, poke it with a rod to break up the bridge.

Step 4.

Check to see If gates are blocked.

Remove large stones or other objects blocking the gates.

Step 5.

Refer problem to Organizational Maintenance.

Change 1 3-36