Wacker Neuson PT 3A, Operator'S Manual

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Operation PT 2/3 /...
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2.15 Hoses and Clamps
See Graphic: wc_gr000021
Suction hoses (a) must be rigid enough not to collapse when pump is
operating.
Discharge hoses (b) are usually thin-walled collapsible hoses. Rigid
hoses similar to those used as suction hoses may also be used as
discharge hoses.
Note: Suction and discharge hoses are available from Wacker
Neuson. Contact your nearest dealer for more information.
Two clamps (c) are recommended for connection of suction hoses to
inlet coupling.
Note: This connection is important. Even a small air leak on the suction
side of pump will prevent the pump from priming.
For other hose connections, one T-bolt or worm-gear-type clamp is
usually sufficient to hold hoses in place. In some cases, slight
variances in hose diameters may make it necessary to add more
clamps in order to maintain tight connections.