
page 19 of 24
Document: U99_001
7.4 Change of sealing
Assembly works must be done by technical qualified staff. To obtain warranty, works at the product
must be done by the service-staff of the manufacturer or by persons, authorized by the manufacturer.
Consider
6.5 Shut-down
Exemplar procedures are valid for all executions of Normpumps
Consider
9.3 Tightening torques
Disconnect aggregate from power supply!
Secure against unintentional restart! If combustion engines are used, stop fuel supply and disconnect
batteries, respectively remove spark plugs.
7.4.1
Change of gland packing
Comply with following procedure:
Switching-off of pump aggregate according to
6.5.2. switch of
Loosen nuts (A) and push back gland (B)
Pull out packing rings
Clean gland area, shaft und gland
Check shaft on wear & tear- and shrinkage damages
Replace the shaft, if it shows heavy shrinkage damages
7.6 Disassembly and Assembly
Insert new packing rings with the butt, staggered by 90° each, in the stuffing box area.
Slightly tighten gland (B) with nuts (A)
Consider
6.2.3. shaft seal
Restarting must be done as described in
6. Starting-up and shut-down
Ill. 3: change gland packing