TM 9-6115-668-13TEST1. Check general function:a. Remove screw (7) and sealing ring (8) from turbocharger air duct (9).WARNINGRemove plug connector 1J13 (16) from pickup together with cable so that dieselengine cannot start.NOTEGLOWPLUG ON lights up after approximately 90 seconds.b. On front panel of control cabinet unit, set MASTER SWITCH S1 to ON.WARNINGDue to explosion hazard, stay at least 80 inches (2 m) away from turbocharger airduct.c. On front panel of control cabinet unit, turn GLOWPLUG/START rotary switch to START and hold.WARNING-Place suitable container under fuel line (6) to minimize fire hazard.N O T EIf flame is visible in turbocharger air duct and GLOWPLUG ON indicator does notlight up, perform troubleshooting as indicated in figure 3.3.d. Check that smoke is emerging from threaded fitting, and flame is visible in turbocharger air duct (9).2. Check fuel delivery:a. Remove collar nut (12) on fuel line (6) from flame glowplug (11) and pull fuel line (6) off.b. On front panel of control cabinet unit, set MASTER SWITCH S1 to ON.c. On front panel of control cabinet unit, turn GLOWPLUG/START rotary switch to START and hold.N O T ElFuel must emerge from the fuel line while the engine turns over.lIf no fuel emerges, check fuel line (6) and operation of solenoid valve (5) andrepair if necessary. Remove panels (17) to check solenoid valve (5).5-174
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