Upper Seal (Motor Side) - ABS XFP 80C-CB1 PE22/4-C-50 Workshop Manual

10 Workshop Manual
ABS submersible sewage pump XFP 80C - 150E
6.

Upper seal (motor side)

Removal
Remove volute, bottom plate and impeller (see page 8).
Note: drain oil from oil chamber and motor chamber be-
fore removal of the upper mechanical seal (see page 14).
Remove lower mechanical seal (page 9).
100
Remove circlip (100) - retaining transition piece (102).
Remove circlip (107) - retaining mechanical seal (106).
102
Attach extraction tool (Sec 12.3) to transition piece using
two M5 threaded bolts and extract transition piece and
105
seal from shaft (65).
Note: required tool, specific to this task.
Push stationary section of seal from transition piece using
107
seal press hand tool (Sec 12.1).
106
Fitting new seal
Lubricate and fit new O-ring (105) onto transition piece.
Note: as a result of unavoidable damage caused to the
65
old O-ring during removal of the transition piece it
MUST NOT be re-used.
Spray P-80* lubricant into transition piece bore.
Fit stationary part of mechanical seal, with rubber boot
sitting in bore and polished seal surface facing outwards.
Clean seal surface with paper towel and brush with oil.
Place assembly over shaft. Use transition piece press tool
(Sec 12.4) to 'click' into position.
Note: ensure first that working edge of press tool is clean
so as not to contaminate or damage seal surface.
Secure into position with circlip (100).
Fit shaft sleeve tool (Sec 12.2) over shaft and lubricate
shaft.
Note: required to prevent damage to seal from circlip
grooves on shaft.
Lubricate shaft and inside rubber bellow of rotating part of
seal with P-80.
Place rotating part of seal over shaft, ensuring polished
seal surface is facing inwards (to meet with same on
stationary part).
Use seal press tool and by hand push seal over assembly
tool into final position.
Slide seal washer over shaft.
Refit circlip (107) and use seal press tool to 'click' into
position.
Refit lower seal.
Refill oil chamber and motor chamber.
Refit impeller key.
Refit volute, impeller and bottom plate.
*P-80 is a temporary lubricant, and will dry, returning the
lubricated parts to their original condition. It is designed
only to aid assembly of rubber parts.
DO NOT use any other synthetic lubricant or oil where
P-80 is specified as it will remain and prevent the correct
functioning of the parts to which it is applied.
Tip: if not available, a soapy water solution can be used
as a substitute.
ENSURE WORk AREA AND TOOLS ARE CLEAN
.