P. 7
14)
Remove the six housing screws (4) and lockwashers (15) securing the rear housing
(2) to the center housing (21).
15)
Go to steps 10 and 11 listed above.
Section (A)
Packed Stuffing Box
If the packing leaks excessively, it will have to be replaced.
1)
The use of a packing puller will help facilitate the removal of the packing. Remove
old packing (18) and lantern ring (11).
2)
Insert three rings of packing into the stuffing box
staggering the split by at least 90 to 120 degrees.
3)
Insert lantern ring.
4)
Insert two more rings (three more for the 312, 314 and
H12) of packing staggering as described above.
5)
Install split gland and gland screws.
Do not over tighten the gland screws as the packing should leak at a
rate of 8 to 10 drops per minute.
Section (B)
Lip Seal
If the lip seal leaks excessively it needs to be replaced.
1)
Remove the lip seal (11) from the front housing.
2)
Install a new lip seal.
NOTE:
If the drive shaft exhibits excessive wear the shaft must be replaced.
3)
Install gland, gland screws and lock washers. Tighten gland screws to 90 in-lbs
(10NM).
Applicable to all Mechanical Seals
A)
If the mechanical seal leaks excessively it needs to be replaced.
B)
Do not scratch or handle the lapped face of the seal.
ATTENTION
ATTENTION
