iv User Manual | MTI 424, 423, & 421
APPLICABLE MODEL(S)
This manual is for the following part numbers and serial numbers:
PART NUMBER DESCRIPTION
EFFECTIVE S/N
4000085 421L Exam Chair, 115V 020203012-Current
4000086 421L Exam Chair, 230V 020203012-Current
4000103 421H Exam Chair, 115V 020203012-Current
4000104 421H Exam Chair, 230V 020203012-Current
4000158 423H Exam Chair, 115V 020203012-Current
4000159 423H Exam Chair, 230V 020203012-Current
4000160 423L Exam Chair, 115V 020203012-Current
4000161 423L Exam Chair, 230V 020203012-Current
4000162 423H-LRX Exam Chair, 115V 020203012-Current
4000163 423H-LRX Exam Chair, 230V 020203012-Current
4000164 423L-LRX Exam Chair, 115V 020203012-Current
4000165 423L-LRX Exam Chair, 230V 020203012-Current
4000208 424H Exam Chair, 115V 020203012-Current
4000209 424H Exam Chair, 230V 020203012-Current
4000210 424L Exam Chair, 115V 020203012-Current
4000211 424L Exam Chair, 230V 020203012-Current
4000212 424H-LRX Exam Chair, 115V 020203012-Current
4000213 424H-LRX Exam Chair, 230V 020203012-Current
4000214 424L-LRX Exam Chair, 115V 020203012-Current
4000215 424L-LRX Exam Chair, 230V 020203012-Current
REVISION HISTORY TABLE
DATE REVISION CO#/ECO# DETAILS
3/17/2017 C CO-0061 Update Manual to latest revision of chairs & new manual
format
12/6/2019 D CO-0187 Revised Proposition 65 warning