Dover Blackmer DMX IV Manual - Halaman 14

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7. DMX IV AIR ELIMINATION SYSTEM TROUBLESHOOTING

39/ Air leaks between the ACP and the DMX.

Check/Replace the air line.

40/ Air leaks between the ACP and the return from flow

detector. Check/Replace the air line.

41/ Shuttle valve failure inside the ACP. Check/Replace

the shuttle valve.

42/ Line from the ACP to the DMX venturi option leaking.

43/ Compartment valve not opened, or there is no product

available.

44/ Jamming of the pump's air relief valve.

45/ Pup operation without venturi installed or operating.

46/ Pump is not rotating.

47/ Piping requirements are not met, trapping air.

48/ Clogged oil separator in the ACP.

49/ Truck acceleration mechanism is faulty.

50/ Check all piping connections for leaks.

51/ DMX overpressurized. Potential hammer peak or ther-

mal expansion condition. Install expansion tank to limit

the effects of this overall system flaw.

52/ Low pressure regulator is set too low.

See the "SETTING FLOWRATE AND ENGINE

SPEED" section of this IOM.

53/ Leaks inside the Flow Detector check valve. Repair or

replace Flow Detector.

54/ See the TXD IOM for the noise source.

55/ Exhaust of the Air Control Panel is not clogged, while

no venturi is being used.

56/ High pressure regulator is set too high. Adjust regula-

tor to lower setting.

NT 201B-A00 04.06 DMX IV Air elimination system e

(continued)

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