Chapter 5 Maintenance; General - Ametek 303B User Manual

MAINTENANCE
! FIRE AND EXPLOSION: If this equipment is operating in a loca-
tion that may contain flammable gas or is being used to sample a
WARNING
hazardous gas, AC power must be disconnected from a remote, safe
area before performing maintenance or parts replacement.
!
DO NOT USE THE AC POWER PLUG AS A DISCONNECT!
DO NOT ATTEMPT TO DISCONNECT THE INTERNAL BAT-
WARNING
TERY IN THIS SITUATION!
Service operations given or implied in this section should be performed
only by AMETEK or other qualified personnel. There are no operator-
replaceable parts internal to the unit.

General

Frequency of analyzer maintenance depends almost entirely on the condi-
tion of the sample stream being monitored. A clean sample will provide
years of trouble free analyzer operation, while a dirty sample can cause
the analyzer cell to fail in hours. No special tools are needed to maintain
the unit.
Take proper precautions when handling acetone, alcohol, phosphoric
!
acid, and nitric acid in the various procedures.
WARNING
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Maintenance 5-1