2.6 Dismantling and assembling the base and the pump
head
2.6.1 Dismantling the base
1. Remove the staybolts (26) from the base (6).
2. Remove the flange connection, if any:
a. CR
Oval flange: Remove the screws (35), the flange (12) and the
gasket (39).
b. CRI, CRN
DIN, ANSI or JIS-flange: Remove the retaining ring (203).
3. Remove the drain plug (25) and the O-ring (38).
4. Remove the O-ring (37).
2.6.2 Dismantling the pump head
1. Remove the vent screw (18), the plug (23) and the O-ring (100).
2. Remove the O-ring (37).
3. Remove the pump head cover (77).
4. Remove the corrugated spring (60).
2.6.3 Assembling the base
1. Fit the O-ring (37). See the figure below.
TM021055
2. Fit the flange connection, if any:
a. CR
Oval flange: Fit the gasket (39), the flange (12) and the
screws (35).
b. CRI, CRN
DIN, ANSI or JIS-flange: Fit the flange (201) and the retaining
ring (203).
3. Lubricate the threads of the staybolts. Fit the staybolts in the
base (6). Tighten the staybolts using your fingers.
4. Fit the O-ring (38) on the drain plug (25), and fit the plug into the
base.
Related information
2.6.4 Assembling the CR pump head
1. Fit the O-rings (100) on the vent screw (18) and the plug (23).
Fit the screw and the plug into the pump head.
2. Fit the corrugated spring (60) in the pump head. See the figure
below.
TM021056
3. Fit the O-ring (37). See the figure in the subsection on
assembling the base.
Related information
2.6.5 Assembling the CRI, CRN pump head
1. Fit the pump head cover (77) in the pump head (2) and knock it
home using a rubber mallet.
2. Fit the O-rings (100) on the vent screw (18) and the plug (23).
Fit the screw and the plug into the pump head cover.
3. Fit the corrugated spring (60) in the pump head cover. See the
figure below.
TM081643
4. Fit the O-ring (37). See the figure in the subsection on
assembling the base.
Related information
8
English (GB)
