Filter Element Replacement - Sigma HRD Serie Manual De Instrucciones

Figure 6
DESICCANT DRAIN/FILL PORTS
(Side View of Dryer)
5. Place large containers under drain outlets at bot-
tom of vessels to collect desiccant.
6. Remove desiccant drain plug (refer to Figure 6).
7. Tap sides of vessels with rubber mallet to loosen
desiccant.
8. Remove fill plug at top of each vessel.
9. Shine flashlight through fill port and inspect in-
side of vessels to be sure all desiccant is removed.
10. Replace desiccant drain plug.
11. Determine the amount of desiccant according to
Table 2, page 1-5.
CAUTION
Pouring desiccant creates a fine dust; safety
goggles, gloves and dust mask should be
worn by personnel installing desiccant. Refer
to the Material Safety Data Sheet (MSDS) on
page 1-23 for more complete information.
Do not tamp the desiccant in vessels. Tamping
damages desiccant and causes dusting.
12. Pour required desiccant into vessels through fill
ports.
1-14
13. Replace fill plugs at top of vessels.
Restart the dryer according to the start-up instructions
on page 1-9.

Filter Element Replacement

Coalescing and particulate filters are included with all
dryers. The filter elements should be replaced when
the D P gauge on top of the filter reads 7 to 10 or once
a year, whichever comes first. Refer to Table 4 for the
replacement element part numbers. Replace elements
in accordance with the following instructions.
Table 4
REPLACEMENT ELEMENTS
DRYER MODEL NO.
Coalescing
(CHE Series)
HRD56 / HRD56EM
HRD100 / HRD100EM
HRD160 / HRD160EM
HRD200 / HRD200EM
HRD275 / HRD275EM
HRD350 / HRD350EM
HRD475 / HRD475EM
HRD600 / HRD600EM
HRD800 / HRD800EM
HRD1000 / HRD1000EM
HRD1200 / HRD1200EM
HRD1450 / HRD1450EM 39240965 (Qty 2)
HRD1710 / HRD1710EM 39240973 (Qty 2)
HRD2010 / HRD2010EM
HRD2250 / HRD2250EM
HRD2600 / HRD2600EM
HRD3250 / HRD3250EM
Dryers rated 56 to 1,200 scfm:
DANGER
Vent internal pressure to atmospheric
pressure before performing any maintenance.
1. Vent internal pressure to the atmosphere. Refer to
Shutdown instructions on page 1-12.
2. Disconnect drain lines at manual and automatic
drain valves (if installed).
HRD and HRD-EM Series (Bulletin 378)
REPLACEMENT ELEMENT
PART NO.
Particulate
Prefilter Afterfilter
(PC Series)
39240908 39241104
39240916 39241112
39240924 39241138
39240932 39241146
39240940 39241146
39240940 39241153
39240940 39241179
39240957 39241179
39240973 39241187
39240973 39241195
39240981 39241203
39241187 (Qty 2)
39241195 (Qty 2)
39252440 39252580
39252457 39252598
39252465 39252606
39252473 39252614