Service manual

Single Gas Instrument Service Manual
Page 4 Bacharach, Inc. Instruction 0019-9166
1.0 SERVICE MANUAL CONTENTS
This manual contains the following service information for the . . .
DIOXOR II (Part No. 0019-7038 & 0019-7043)
MONOXOR II (Part No. 0019-7034 & 0019-7039)
MONOXOR II H (Part No. 0019-8015)
NONOXOR II (Part No. 0019-7036 & 0019-7042).
NOTE: The 0019-7039, 0019-7042, and 0019-7043 versions of these
instruments do not contain a probe, all non-probe related functions
remain the same in this instruction.
• Instrument maintenance, which includes information on how to:
• Open and close the case
• Clean the Fan Assembly and chamber assembly area
• Replace the sensor
• Replace the Printed Circuit Board (P.C.B.)
• Service the gas-sensing chamber assembly (chamber assembly)
• Sensor calibration
• Troubleshooting chart
• Replacement parts list
GENERAL NOTE
If excessive torque is applied to the instrument's
fasteners, poor performance or damage to components
may occur.
The torque specifi cations are as follows:
Screws Torque
Sensor Mounting 4 - 8 oz. in.
Motor Mounting 6-10 oz. in.
Chamber Sealing 16-20 oz. in.
Rear Cover/Case 18-24 oz. in.
Fan Assembly 32-40 oz. in.