TM 5-3895-374-24-2
Divert Valve Fails to Indicate Proper Position
1.
Check that limit switches on divert valve are being operated by valve lever, limit switches must be closed at end of
travel on valve arm for each position
2.
Verify control fuse is not blown in control panel on TB 100 blown fuse is indicated by illumination of pilot light
adjacent to fuse location.
3.
Check control cables are properly connected and are not damaged.
Aggregate Bin Flow Switches Not Indicating
1.
Check paddles are being operated by product as it flows from bin feeder; adjust paddles as necessary to operate
limit switches on eccentric cams
2.
With paddles held in Full Flow position check and verify Modules # 16,17,18 19 on FEED I/O Strip in Process
computer are de-energized. Modules are energized during NO Flow condition. If paddle limit switches are
functioning and computer fails to respond replace module associated with the malfunctioning bin switch; (ie)
Module 16 for bin 1,Module 17 for bin 2,Module 18 for bin 3 and module 19 for bin 4. (CAUTION HIGH
VOLTAGE)
System Will Not Start Bin Feeders Automatically When Target Value Is Entered
1.
Check and verify collecting conveyor is running
2.
Check that Module #17 on FEED I/O Strip is energized, if it is and feeders fail to start when requested change
input module [CAUTION HIGH VOLTAGE]
3.
Bins not selected to automatic position;
4.
Check that output modules on Blend I/O Strip are being illuminated; Module #23 for bin 1 , Module 22 for bin 2,
Module 21 for bin 3, and Module 20 for bin 4. Replace any module that is illuminated and not starting respective
bin feeder.
Mix Temperature Not Displayed On Screen
1.
Check materials temperature on Burner control panel; if reading proper check calibration values on computer
setup screen
2.
Replace Mix probe if burner panel is reading improperly
3.
Replace Temperature input module on BLEND I/O board at position #5 if burner panel reads properly and
computer does not when proper calibration values have been entered.
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