Nortel North American DMS-100 Instruction Manual page 156

Replacing a cooling unit assembly in a 42-in. cabinet
CPC A0377580, A0382102, A0383322, A0383323
12
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Trouble locating and clearing procedures (continued)
Filter tabs
DANGER
Risk of injury
The cooling unit weighs approximately 41 kg (90 lbs). To
remove or insert the cooling unit requires two or more
persons.
Remove the four bolts that fasten the cooling unit assembly to the cabinet.
Horizontal
filter
1-141
(continued)