Operating and Maintenance Manual
22 | P a g e D e c a p p e r O & M M a n u a l R e v D
“Exposure to high levels of lead may cause anemia, weakness, and
kidney and brain damage. Very high lead exposure can cause death.
Lead can cross the placental barrier, which means pregnant women who
are exposed to lead also expose their unborn child. Lead can damage a
developing baby's nervous system”. Ref WWW.cdc.gov website.
The Rollsizer.com Decapper offers the ability to decap lightly soiled cases
and the wet cleaning process will then allow the primer pockets to be
cleaned. This will result in more consistent primer seating.
• The soiled cases and primers are contained in the discharge tubes /
buckets.
• The Decapper allows cases to be mixed (within limits) and minimizes
the handling of soiled and contaminated cases.
• Reduced handling and processing times.
➢ Does the Decapper remove crimped / sealed primers?
Yes, the Decapper will remove the majority of crimped primers, in some
situation’s primers may not be fully pushed out as they stretch. This is not a
fault of the decapper. Repeated failure may indicate the decapper body
needs to be reset / adjusted but this is very rare. The FW Arms decapper uses
a spring to flick off the primers and primer drawback is rare. Drawback is
usually associated with range find cases with corroded primers. This is not a
fault of the decapper but may be improved with the modification of the wear
plate detailed in this manual.
➢ My cases fall over after decapping and jam the discharge chute.
This usually means the short link between decapper housing and the case
pusher needs adjustment. The link is a simple threaded rod. Shortening the
link by 1 or 2 turns will push the case into the correct position. The way to
adjust the correct position is as follows.
1. Clear the drop tube of cases and set the decapper to a slow / crawl
speed. Stop the machine when it has stroked the case as far as
possible. Refer to the side view photo below.
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