NEC M403H - Page 145

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7. Maintenance
2. Removethelamphousing.
(1)Loosenthethreescrewssecuringthelamphousinguntilthephillipsscrewdrivergoesintoafreewheelingcondi-
tion.
 •Thethreescrewsarenotremovable.
 •Thereisaninterlockonthiscasetopreventtheriskofelectricalshock.Donotattempttocircumventthis
interlock.
(2)Removethelamphousingbyholdingit.
CAUTION:
Makesurethatthelamphousingiscoolenoughtobeforeremovingit.
Interlock
To replace the lamp:
1. Removethelampcover.
(1)Loosenthelampcoverscrew
 •Thelampcoverscrewisnotremovable.
(2)Pushandslidethelampcoveroff.