NEC PA521U - Page 193

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7. Maintenance
To replace the lamp:
1. Remove the lamp cover.
(1)Loosenthelampcoverscrew
• Thelampcoverscrewisnotremovable.
(2)Pullthebottomofthelampcovertowardsyouandremoveit.
2. Remove the lamp housing.
(1)Loosenthetwoscrewssecuringthelamphousinguntilthephillipsscrewdrivergoesintoafreewheelingcondi-
tion.
• Thetwo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 Guidehole