Pulsafeeder Pulsar Shadow - Manual (Page 10)

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2.2.5 Gear Ratio Assembly
Figure 6
PULSAR pumps are driven by a standard C-face electric motor mounted on the motor adaptor input
flange. The motor drives a set of worm gears which convert rotational speed into torque. They in
turn power the eccentric shaft assembly that converts rotary motion to reciprocating motion. The
motor adaptor is available in a variety of configurations to accommodate different motor frame
specifications.
More than one pump can be driven through a single
drive assembly. This is referred to as multiplexing.
The pumps are mounted on a common gear reducer
assembly on the driver pump and the pump without
a gear reducer is called the driven pump. Each
pump is mounted on its respective standard simplex
base.
Whenever pumps are multiplexed, the eccentric
shafts are positioned to place a uniform load on the
driver. Before full disassembly always note the
relative positions of the eccentric shafts to each
other so they can be reassembled in the same
orientation.
Figure 7
Figure 8