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 47 of 694
TM 5-3895-372-2C
Table 3-2.
Composite Troubleshooting Sympton Index.
Troubleshooting Procedures
Page
Table
Number
ADMIX SYSTEMS.
Air pressure cannot be maintained at 15 psi (103 kPa).
6-1
6-3
Liquid admix flows unevenly.
6-1
6-3
Liquid admix flows too quickly.
6-1
6-5
Liquid admix flows too slowly or not at all.
6-1
6-5
Quick-opening valve sticks.
6-1
6-7
Flowmeter does not return to zero.
6-1
6-8
Dry admix system inoperative.
6-1
6-8
AGG REGATE SUPPLY SYSTEM.
Conveyor belt does not move.
7-1
7-3
Conveyor belt is loose.
7-1
74
Conveyor belt is torn or damaged.
7-1
74
Sand or stone drops on ground beneath concrete mobile
during mixing.
7-1
7-
Sand or stone controls out of adjustment.
7-1
7-6
Excessive wear on chains.
7-1
7-7
AIR SYSTEM.
Air pressure is low (below 65 psi, 448 kPa)
11-1
11-3
Cement in bin is not properly aerated.
11-1
11-3
Vibrators do not function properly.
11-1
11-4
CEMENT SYSTEM
Hard lumps of cement in bin.
8-1
8-6
Cement delivery uneven.
8-1
8-7
Meter-feeder does not turn.
8-1
8-10
Cement bin auger will not turn.
8-1
8-12
3-9
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