HiVol 3000 User Manual 1.7 Maintenance
65
Table 2 SSI cleaning schedule
Maintenance Item Frequency
Weekly Quarterly*
(Table 3)
Annually
Check the four inlet hook-
catches for proper tension.
*
Inspect all gaskets for wear
and compression.
*
Inspect and lubricate all
catches.
*
Remove, clean and re-
grease the collection shim
(Figure 21).
*
Remove and clean the first
stage plate.
*
Clean all the internal
surfaces with a damp lint-
free cloth.
*
Remove hood and clean the
acceleration nozzles with a
bottle brush. Wipe internal
surfaces with a damp
cloth.
*
* NOTE: If TSP (total suspended particulate) can be estimated from
historical data to the site then Table 3 should be used as a guide to
maintenance frequency of the size selective inlet, otherwise assume
that TSP is twice the PM
10
concentration! If PM
10
data are available.
Table 3 TSP concentration and cleaning intervals.
Average Estimated
TSP at Site std
µg/m
3
Number of
Sampling Days
Interval, assuming 6-Day
Sampling Schedule
40 30 6 months
75 15 3 months
150 10 2 months
200 5 1 month
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