Specifications

Instruction 3015-4256 25
Bench Replacement
Items Required:
 Replacement IR Optical Bench Kit 3015-4572:
o IR Bench Assembly:
 3015-5086 (550 mW)
o Cable Ties (Qty. 2) 3015-2835
o Instruction Sheet 3015-4571
 Medium Phillips Head Screwdriver
 Small Flat Blade Screwdriver
 Wire Cutter (for removing cable ties)
Removing the IR Bench
1. Find the AC power source for the HGMSZ and switch OFF the AC circuit breaker. Ensure that the
monitor’s front panel green MONITOR ON indicator is OFF.
2. Use a Phillips screwdriver to remove the monitor’s two door screws, and then open the door.
3. Take time to familiarize yourself with the internal components of the HGMSZ shown in Figure 2.
Figure 2. HGMSZ Components
GAS INLET
GAS OUTLET
PURGE
VALVE V1
DET
CONNECTOR
J6
IR SOURCE
CONNECTOR
J5
10-PIN
CONNECTOR
(Detector)
12-PIN
CONNECTOR
(IR Source)
CABLE TIE
(2 Places)
IR BENCH
FILTER
CABLE TIE MOUNT
(2 Places)
IR SET R37