Toshiba HV6AS instruction manual Check Points for Periodic Inspection

MAINTENANCE				Page 27
Table 2 Check Points for Periodic Inspection
Check Point	Check Item	Check Method	Criteria	Disposition
Operating	Loose bolts,	Tighten using	Make sure all bolts, nuts	Tighten if loose.
Mechanism	nuts or screws	screwdriver or	and screws are tight.	See Table 1 for
		wrench.		tightening torques.
	Dust or foreign	Visual	The circuit breaker	Wipe with a clean
	matter inside	inspection.	should be clean and	dry cloth.
			contain no foreign matter.
	Indicator	Visual	Make sure the number of	Check the cause
	operation	inspection.	operations is correctly	and repair.
			displayed.
	Warpage	Visual	There should be no	Check the cause
		inspection.	warpage or missing	and repair.
			parts.
	Smooth	Manual	Make sure moving parts	Apply a small
	operation	operation.	operate smoothly.	amount of
		Visual		lubrication.
		inspection or
		touch. Check
		lubrication.
Main Circuit	Discoloration	Visual	Make sure there is no	Check the cause
	due to heat	inspection.	discoloration.	and repair. Tighten
	from conducting			connections to circuit
	parts			breaker. See Table
				1 for tightening
				torques.
	Loose bolts,	Tighten using a	Make sure all bolts, nuts	See Table 1 for
	nuts or screws	wrench.	and screws are tight.	tightening torques.
	Dust on surface	Visual	Make sure there is no	Wipe with a clean,
	of vacuum	inspection.	dust on the surface.	dry cloth.
	interrupter
Insulator	Dust, foreign	Visual	Make sure there is no	Wipe with a clean,
	matter or	inspection.	dust, foreign matter or	dry cloth. If
	damage		breakage.	damaged, contact
				Toshiba.