JMA-7100 Instruction Manual > 8.COUNTERMEASURE FOR TROUBLE ... > 8.2  MAINTENANCE ON EACH UNIT
8-3
8
b. Radiator
        
Check up and clean the radiator.
• If the radiator front face (radiation plane) is soiled with smoke, 
salt, dust, paint or birds’ droppings, wipe it with a piece of soft 
cloth wetted with alcohol or water and try to keep it clean at all 
times.  Otherwise, radar beam radiation may attenuate or reflect 
on it, resulting in deterioration of radar performance.
• Never use solvents of gasoline, benzine, trichloroethylene and 
ketone for cleaning. Otherwise, the radiation plane may 
deteriorate.
②
①
③
④
⑤
⑥
⑦
⑧
Tightening torque : 120 to 150 kgf/cm
4-M8 (stainless steel) bolt
Tightening torque : 120 to 150 kgf/cm
8-M8 (stainless steel) bolt
②
①③
④
②①
③④
Bolt Tightening Procedure of 
NKE-1125/1129/2254 Cover
Bolt Tightening Procedure of 
NKE-1130 /1139 Cover
Bolt Tightening Procedure of 
NKE-2103 Cover
Tightening torque : 120 to 150 kgf/cm
4-M8 (stainless steel) bolt
Attention