HAMMELMANN B7.02502.0210, Operating Instructions Manual

Page: 27 / 311

Construction & Description
Operating instructions
No.: HDP 502 / S 1100-50
Page 21, Issue: 03.2017

Copyright Hammelmann GmbH
Germany

D-59302 Oelde

Carl-Zeiss-Straße 6 - 8

On the upward stroke of the plunger:
 Suction valve closes,
 pressure rises to discharge pressure,

discharge valve opens,
 water is emitted via the discharge line.

On the downward stroke of the plunger:
 Discharge valve closes,
 pressure drops to suction pressure,

suction valve opens,
 water is drawn in from suction chamber.
 Fig.: Function
Item no. Description Item no. Description
A Pressure chamber E Sleeve
B Pressure valve F Plunger
C Suction valve G Conrod
D Suction chamber H Crankshaft
Pos : 32 /xxxxxxxxx xxxxxx xxxx @ 0\mod6_2.doc x @ 1188 @ @ 1
Suction water
Discharge water