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MAYCO C-30HDNI (PRECISION) PUMP — OPERATION AND PARTS MANUAL — REV. #7 (04/03/12) — PAGE 47
Assembling and Disassembling Drive Chain
The components of the drive 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.
Chain-Link 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 P/N 113 or 135. Some multiple strand chains or large
pitch models will require a hammer and punch or a press to
remove the pins.
Installation Of Coversides
Diamond Chain coversides are manufactured three different ways:
■
Slip Fit
■
Modified Press Fit
■
Full Press Fit
Installation of Spring Locks and Cotter-Pins
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.
Tips To Remember
■
Chian will break if mused or abused
■
Serious injury or property damage can result if chain is
installed incorrectly.
■
Select, install, guard and maintain chain in accordance with
equipment manufacturer and "Diamond Chain Company's
recommendations.
■
Read chain assembly instructions before attempting to install
chain on pump sprocket wheel.
■
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
TM
.
CAUTION -
DRIVE CHAIN SAFETY
You may be
seriously injured
if you attempt to install the drive
chain while the pump is running. Turn OFF the engine and
lock out gears and sprockets before attempting installation.
Once installed, the drive chain must be guarded to prevent
personal injury or properly damage in the event the chain
separates during operation. NEVER run pump with drive chain
guard removed.
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.
NOTE
CAUTION -
Eyesight Hazard
C-30HDNI (PRECISION) PUMP — MAINTENANCE (PUMP)