6-1 
Section 6    Maintenance and Inspection 
 
 
Proper maintenance may greatly affect the lifespan of the equipment.   In order to maintain the 
equipment in peak state, perform the following regularly. 
 
 
 WARNING 
 
Do not perform internal inspections or modifications of the equipment. 
Inspection or modification by unauthorized personnel may result in fire, electric 
shock, or equipment failure.  Please consult with JRC or an affiliate to perform 
internal inspections or repair. 
 
 
 CAUTION 
 
Use only the specified fuse. 
Failure to do so may result in fire or equipment failure. 
 
Use only the specified batteries. 
Failure to do so may result in equipment failure or malfunction. 
 
 
 
6.1  General Maintenance and Inspection 
 
Operate the equipment under standard power voltage levels (DC 10.8 - 31.2 V). 
 
The following shows general maintenance and inspection methods using standard tools. 
 
No.  Item  Maintenance and Inspection 
1 Cleaning 
Clean the panel screen, knobs, and switches with a soft cloth or silicon 
oil.    There are no gears in the unit, so oil lubrication is unnecessary.
 
2 Parts Securing 
Check for loose screws, nuts, and connectors, and connect securely any 
that have loosened.
 
 
Perform inspection of the displayed items when the equipment is functioning normally.    Compare 
operating results to the normal operation values in order to detect problems quickly.