b. Pump Unit. The pump unit of the tank and pump unit includes the pump, engine, filter/separator, reels and
other related items of equipment. Refer to figures 1-2 and 1-3 for views of different models.
c. Engine Driven Pump. The pump (figure 1-4) is a self-priming unit, with the impeller screwed on the exten-
sion of the engine crankshaft. The pump is coupled to the engine by an intermediate coupler. Both pump and engine
are mounted on a base plate to facilitate removal and use in auxiliary pumping operations.
Figure 1-1. Tank and Pump Unit.