Knauer WellChrom HPLC Pump K-1001 Handbuch Seite 34

34
Fig. 26
Fig. 27
SOP 27 Assembling the pump head
3.22
3.6
3.10a
3.10
3.12
3.10a
3.10
3.3
3.5
3.3 Pump head screws
3.4 Housing
3.5 Bushing, inlet
3.6 Bushing, outlet
3.10 Check valves, inlet and outlet
3.10a Distance holder
3.11 Piston seal, high pressure
3.11a Piston seal, low pressure
3.12 Seal holder (ceramics)
3.13 Pressure plate
3.14 Spacing bolts
Explosion view of the pump head
3.4
3.12
3.4 housing
3.11 piston seal
3.12 seal holder (ceramics)
Parts of the opened pump head
All Positions of components refer to Fig. 26 and Fig. 27.
1. Always exchange the piston seals Pos. {3.11} and {3.11a} after
disassembly of the pump head and the O-rings, Pos. {3.21} only if
nescessary.
2. If you have removed the ceramic seal holder out of the housing, replace
them very carefully with the plane sides faced together. Otherwise the
seal holders cannot be replaced without damaging them.
3.23
3.24
3.14
3.20
3.11a
3.21
3.13
3.11
3.4
3.15 Springs
3.16 Guide for spring
3.17 Piston rod
3.18 Retaining plate
3.19 Retaining plate screws
3.20 Pressure disc
3.21 O-ring
3.22 Capillary connection
3.23 Screw connection of backflush
3.24 Capillary of backflush
3.13
3.11
180°
plane areas
3.13
3.11a piston seal
3.20
Easy Maintenance
3.18
3.17
3.16
3.15
3.11a
180°
3.20
pressure plate
pressure disc
3.19