SMC Networks HRGC001-A Series, Service Manual, Page: 45 / 102

HRX-MM-L012
Chapter 4 Service Procedure
HRGC Series 4.3 Replacement procedure
4-17
4.3.3 Replacement of pump mechanical seal
(< HRGC001-
∗ -T,HRGC002- ∗ -T,HRGC005- ∗ )
Table 4-9 Part number of service parts (mechanical seal)
Part number
HRG-S0211
„ Removal
1.
Remove the body. (Hexagon socket head bolt x 3)
Place the drain pan under the body and drain water from the pump.
2.
Remove the collar. (Set screw x 2)
[Key point]
There is a danger of parts popping out.
3.
Remove the impeller and spring.
[Key point]
If the impeller gets stuck and cannot be removed, screw two screws of M6 x
50mm or larger into the two thread holes of the impeller to pull out the
impeller.
4.
Remove the mechanical seal, O-ring and cover all in one.
[Key point]
If the cover cannot be removed, insert the blade of the spanner/wrench
between the cover and motor and bring it up.
5.
Remove the deflector rubber.