Hobart 9OC24S Operation Manual page 5

WARNING!
SAFETY DEVICE BOX
HOBART PART NO. 6FW-4013A
DANGER! FAILURE TO PROPERLY MAINTAIN THE MICRO SWITCH GEARSHIFT
INTERLOCK CAN RESULT IN INJURY OR DEATH DUE TO UNEXPECTED MOVEMENT OF
THE GPU. PERFORM THE FOLLOWING PROCEDURE EVERY 200 OPERATING HOURS OR
3 MONTHS.
1. Remove the GPU to an area free of personnel and equipment. Set the
emergency brake and chock wheels.
2. With the gearshift in any gear (except neutral) and the clutch pedal engaged,
attempt to start the GPU. If the GPU starts, have qualified maintenance
personnel replace the micro switch, Hobart part no. 403982, and repeat this test
procedure prior to returning the GPU to service.
3. With the gearshift in any gear (except neutral) and the clutch pedal engaged,
switch the GPU to "GENERATE" mode. If the GPU engine does not shut down,
have qualified maintenance personnel replace the micro switch, Hobart part no.
403982, and repeat this test procedure prior to returning the GPU to service.