Preventive Maintenance
Inlet Maintenance
Thermo Fisher Scientific
Partisol 2000
i
and Partisol 2000
i
-D Instruction Manual
10-3
and check O-rings for signs of damage or wear. Full maintenance
procedures for each type of device are provided in this chapter.
This section describes the procedures used to clean the PM
10
inlet (57-
000596
).
Supplies and tools recommended for maintenance:
Ammonia-based, general-purpose cleaner
Cotton swabs
Small soft-bristle brush
Paper towels
Distilled water
Silicone-based stopcock grease
Small screwdriver
Small crescent wrench
Pocket knife
Use the following procedure to remove and dissemble the PM
10
inlet.
1.
To remove the inlet, lift the entire inlet assembly upward off the 1-1/4-
inch O.D. sample tube.
2.
Disassemble the upper and lower inlet halves by unscrewing
counterclockwise the top acceleration assembly from the lower collector
assembly (
Figure 10–1
).
Use the following procedure to clean and maintain the top accelerator
assembly.
1.
Mark the top plate deflector cone and lower plate with a pencil scribe
to facilitate proper orientation when reassembling the assembly after
cleaning and maintenance.
2.
Using a Phillips-blade screwdriver, remove the four pan head screws
from the top of the top plate. Lift the top plate off the four, threaded,
spacer standoffs and set aside.
Cleaning the PM
10
Inlet
PM
10
Inlet Removal and
Disassembly
Top Acceleration
Assembly Cleaning and
Maintenance