Operating Manual
ITEM DESCRIPTION
1 Rotorcase
2 Gland Packing
3 Gland Follower
4 Gland Nut
5 Gland Stud
6 Shaft
PACKED GLANDS ARE DESIGNED TO
BE ADJUSTED
Removing The Packing
1. Release and pull back the gland follower.
2. Remove the rotorcase with gland housing
packing and gland follower still assembled.
3. Inspect and replace the packing as
necessary.
Fitting The Packed Gland
1. Insert the packing rings making sure they
are in the correct order and positioned
with the scarf points 120º apart.
2. Loosely locate the gland follower and
nuts.
3. Refit the rotorcase with packed assembly
over the shaft sleeves.
Adjusting the Packed Gland
DRIP LEAKAGE IS ESSENTIAL TO
PREVENT OVER HEATING OF THE GLAND
AREA WHICH WILL CAUSE SEAL
FAILURE
1. Lightly tighten up the gland follower.
2. Flood the pump head and determine if the
gland leakage is acceptable. Tighten the
gland follower nuts until an acceptable
leakage is achieved.
3. Start the pump and allow to run for 10
minutes. If the gland becomes significantly
hotter than other parts of the pump, the
gland is too tight.
4. Stop the pump and allow it to cool then
repeat the above until the gland
temperature is stable and gland slightly
weeping.
5. Run the pump at 10 minute intervals
tightening the gland follower nuts by a
1/6 of a turn until the leak is at an
acceptable rate.
8.1 Packed Gland
8.0 Product Seals Removal and Fitting
20
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