Service Manual 73
Page 19 of 32
Remove the gland.
Remove the packing.
The rotor and bracket can now be separated.
B. Pumps with single seal behind the rotor
(In-Board location-see Figure 9):
Remove the bracket.
Remove the seal head from the shaft, directly behind the rotor head.
Remove the in-board seal gland from inside the bracket.
Remove the seal seat from the in-board seal gland.
C. Pumps with single seal behind the bushing
(Out-Board location-see Figure 10):
Remove the gland nuts and washers.
Remove the gland and gland gasket.
Remove the seal head from the shaft.
Remove the seal seat from the gland.
Remove the out-board seal collar.
Remove the pin from the shaft. To do this, remove the plug in the ½” NPT hole in
the bracket. Using a needle nose pliers (or similar tool), remove the locating pin
from the hole in the shaft.
The rotor and bracket can now be separated.
D. Pumps with cartridge seal:
Consult the separate seal instructions provided bt the seal manufacturer.
CLEAN AND INSPECT:
Clean all parts and inspect for signs of excessive wear or scoring and replace if necessary.
Any signs of excessive wear between the bracket bushing and shaft may also cause housing
wear. This should be checked.
If only the bracket bushing shows signs of minor wear it should be replaced. Acceptable
bushing clearances are shown in Table 4 (for pumps with standard clearance only)
