ELECTRICAL--MAGNETIC CLUTCH AND BYPASS SOLENOID VALVE CIRCUIT

TM 9-2350-238-20-1

Table 2-3. UNIT TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Troubleshoot magnetic clutch and bypass solenoid valve circuit (HYD

Step 2.

PUMP/PTO CLUTCH switch). Refer to Electrical Circuit Symptom Index,

61. HYDRAULIC SYSTEM DOES NOT OPERATE WHILE ENGINE IS RUNNING AT 1350 RPM,

CLUTCH ENGAGED INDICATOR LIGHT IS ON, AND MASTER AND HYD PUMP/PTO

CLUTCH SWITCHES ARE ON.

Step 1.

Check magnetic clutch ground lead for bad connection.

Clean ground connections with crocus cloth (item 10, appx C). Tighten

ground connections.

Troubleshoot magnetic clutch and bypass solenoid valve circuit (magnetic

Step 2.

clutch). Refer to Electrical Circuit Symptom Index, page 2-92.

62. ENGINE SPEED WILL NOT HOLD 1350 RPM WHILE HYDRAULIC SYSTEM IS OPERATING,

CLUTCH ENGAGED INDICATOR LIGHT IS ON, AND MASTER AND HYD PUMP/PTO

CLUTCH SWITCHES ARE ON.

Check bypass solenoid valve ground lead for bad connection.

Step 1.

Clean ground connections with crocus cloth (item 10, appx C). Tighten

ground connections.

Troubleshoot magnetic clutch and bypass solenoid valve circuit (bypass

Step 2.

solenoid valve). Refer to Electrical Circuit Symptom Index, page 2-92.

ELECTRICAL--RADIO

63. CONSTANT CLICKING SOUND WHEN ENGINE IS OPERATING FASTER THAN IDLING

SPEED.

Check voltage regulator ground strap for bad connection.

Step 1.

Clean voltage regulator ground strap with crocus cloth (item 10, appx C).

Tighten ground connection.

If problem still exists, notify direct support maintenance.

Step 2.

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