TM 5-3895-385-23-1
FIELD MAINTENANCE
BITUMINOUS MATERIAL PAVING MACHINE (BMPM)
SCREED ELECTRIC HEAT BOX MALFUNCTION
INITIAL SETUP:
Test Equipment
References
Multimeter (WP 0440, Vol 3, Item 37)
WP 0277, Vol 2
Personnel Required
WP 0370, Vol 2
91L
WP 0373, Vol 2
Assistant
WP 0391, Vol 2
References
WP 0443, Vol 3
WP 0445, Vol 3
WP 0236, Vol 2
WP 0447, Vol 3
WP 0242, Vol 2
WP 0451, Vol 3
WP 0243, Vol 2
Equipment Conditions
Engine off (TM 5-3895-385-10)
TROUBLESHOOTING PROCEDURES
WARNING
The screed electric heat box contains high voltage. Box should be opened only when repair is
needed. Failure to comply may cause injury or death to personnel.
Table 1. Screed Electric Heat Box Malfunction Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Time delay relay malfunction.
1. Start Bituminous Material Paving
Machine (BMPM) engine (TM 5-
3895-385-10).
2. Turn on screed electric heater
(TM 5-3895-385-10).
3. Observe light on screed heater
1. If light illuminates, proceed to
box lid illuminates.
next malfunction.
2. If light does not illuminate,
proceed to next test.
4. Open screed electric heater box
lid (WP 0243, Vol 2).