JRC JMA-3400 Series, Instruction Manual, Page: 253 / 314

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Chapter 10 MAINTENANCE AND CHECK
10.4.1 PARTS REQUIRED FOR PERIODIC REPLACEMENT
DANGER
Never carry out internal inspection or repair work of the equipment by
users. Inspection or repair work by unauthorized personnel may result in
fire hazard or electric shock.
For inspection and repair work of equipment components, consult with our
branch office, branch shop, sales office, or our distributor in your district.
It is also same periodic replacement parts.
There are parts required for periodic replacement.
Parts Name Interval
Magnetron 4,000 hours
Motor 10,000 hours
LCD Backlight
ͤ
1
50,000 hours
Carbon brush (NKE-2063A) 2,000 hours
In many cases, parts required for periodic replacement works interval hours or more,
but if it is over the interval hours it is recommended to replace the early.
The occurrence of phenomenon when parts were consumed)
Magnetron: The radar sensitivity decreases, and it becomes difficult to take the tune.
Motor: Allophone generation and rotation instability or stop.
ͤ
1: Only LCD Backlight can not replace. The replacement is LCD module (CML-872).
Parts life time might become remarkably short by vibration of radar mast,
surrounding environment and the weather more than product standard or
mainly used radar range.