EC declaration of conformity
EC declaration of conformity
EC declaration of conformity
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3. MAINTENANCE<br />
3.5 Dismantling the pump<br />
The numbers put in brackets, refer to the part numbers in the spare part drawings and spare part<br />
lists in chapter 4.<br />
3.5.1 Before the dismantling procedure<br />
STOP<br />
Be sure to drain all liquid from the pump. Cleanse or neutralize the pump thoroughly. Disconnect<br />
the air connection and then the suction and discharge connections.<br />
3.5.2 Mainparts<br />
3.5.3 Valve seats and valve balls<br />
Fig 2. To remove the spacer sleeve (19), use a<br />
piece <strong>of</strong> plastic and a hammer to carefully knock<br />
to turn it.<br />
Fig 4. Carefully pull out the the spacer sleeve<br />
(19). Please note that force never shall be used<br />
for dismantling.<br />
Instruction manual TF PE & PTFE series pumps 11<br />
Fig 1.<br />
First pull out the air hose from the booster to<br />
the pump.<br />
Unscrew the housing nuts (37). Carefully pull<br />
out the pin screws (14). Lay the pump with<br />
one housing facing down and carefully lift the<br />
loose housing (11).<br />
Carefully lift the suction and discharge connections<br />
(13) and the center block (12) from the<br />
remaining housing (11).<br />
Fig 3. Put one <strong>of</strong> the pin screws in the hole <strong>of</strong> the<br />
spacer sleeve (19) and turn it all the way 180°.<br />
Fig 5. Pull out the lower valve seat (21) by means<br />
<strong>of</strong> one <strong>of</strong> the pin screws.
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