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PAGE 92 — C-30HD — PARTS & OPERATION MANUAL — REV. #4 (03/06/01)
WHEN DISASSEMBLING OR ASSEMBLING CHAINS:
WARNING: — The components of a chain are hardened parts.
Striking these parts may cause metal chips to break off from
the chain or the tools used resulting in personal injury. During
all stages of chain disassembly and assembly, wear safety
glasses to prevent metal parts or chips from entering your
eyes and have personnel in the immediate area do likewise.
A. Pin Removal
1) If chain is of cotter pin- type construction, remove cotters.
2) If chain is riveted type construction, grind pin heads off so
pin ends are flush with the linkplate.
3) Drive pins out of linkplate using a Diamond pin extractor
Model #113 or 135. Some multiple strand chains or large
pitch models will require a hammer and punch or a press to
remove the pins.
B. Installation of Coversides
Diamond coversides are manufactured three different ways:
(1) Slip Fit, (2) Modified Press Fit, and (3) Full Press Fit.
Modified and Full Press Fits require some patience and tools
to assemble and/or disassemble. Use vice grips, plumbers
pliers or a small hammer to drive coversides onto pins.
C. Installation of Spring Locks and Cotterpins
After coversides have been installed, install spring locks or
cotters (depending on chain design). Avoid using bent or
worn cotters or spring locks. After spring locks (or cotters)
are installed, lightly tap pin ends to position these parts snug
against the coverside for additional support.
WHEN INSTALLING CHAIN DRIVES ON EQUIPMENT:
WARNING — You may be seriously injured if you attempt to
install chain on equipment under power. Shut off power and
lock out gears and sprockets before attempting installation.
Once installed, the chain drive must be guarded to prevent
personal injury or properly damage in the event the chain
separates during operation. If chain drive is not guarded,
contact equipment manufacturer for recommendations on
guarding before using equipment.
Knowing more about how the chain is constructed may help
in assembly and disassembly. Further information may be
obtained by calling or writing Diamond Chain Company.
DIAMOND CHAIN COMPANY — ROLLER CHAIN APPLICATION INFORMATION
WARNING