Flowserve Mark 3 - Manual (Page 40)

USER INSTRUCTIONS MARK 3 High Silicon Iron ENGLISH 71569249 09-04
®
c) Install the packing rings [4130] and seal cage
halves [4134] into the stuffing box as shown in
figures 4-11 and 4-12. Always stagger the end
gaps 90 degrees to ensure a better seal. To speed
installation of each ring, have an assistant turn the
pump shaft in one direction. This movement of the
shaft will tend to draw the rings into the stuffing box.
h) Attach the gland/seat to the casing [1100] using
studs [6570.6] and nuts [6580.2].
i) Install the impeller [2200] as instructed in section
6.6. Care should be taken in the handling of high
chrome iron impellers. Remember that the
impeller clearance is already set. It cannot be
changed at this point without resetting the seal.
d) A split gland [4120] is an assembly of two
matched gland halves that are bolted together.
Unbolt the gland halves and install the gland
halves around the shaft. Bolt the halves together
to form a gland assembly. Single external seal installation
Carry out steps a) to c), above.
d) Locate the rotary seal unit onto the shaft/sleeve
according to the set dimension provided by the
seal manufacturer. Tighten set screws on the
seal to lock the rotating unit to the shaft/sleeve.
e) Now install the gland assembly [4120] using
studs [6570.6] and nuts [6580.2].
f) Lightly snug up the gland. Final adjustments must
be made after the pump has begun operation. e) Attach the gland [4120] and stationary seat onto
casing [1100] using studs [6570.6] and nuts
[6580.2]
g) Install the impeller [2200] as instructed in section
6.6. Care should be taken in the handling of high
chrome iron impellers. f) Install the casing [1100] to the bearing housing
adapter.
g) Install the impeller [2200] as instructed in section
6.6. Care should be taken in the handling of high
chrome iron impellers. Remember that the
impeller clearance is already set. It cannot be
changed at this point without resetting the seal. One piece Gland installation
a) Install the gland [4120] over shaft until it lightly
touches the bearing housing adapter.
b) Install the casing [1100] to the bearing housing
adapter and clamp in place.
c) Install and set the impeller [2200] clearance as
outlined in section 6.6.
Double seal installation
Carry out steps a) to c), above.
d) Install the packing rings [4130] and seal cage
halves [4134] into the stuffing box as shown in
figure 4-12. Always stagger the end gaps 90
degrees to ensure a better seal. To speed
installation of each ring, have an assistant turn the
pump shaft in one direction. This movement of the
shaft will tend to draw the rings into the stuffing box.
d) Place the gland [4120] and stationary seat onto the
shaft until it lightly touches the bearing housing
adapter. Install a gland gasket [4590.3] into the
gland. (See figure 6-25.)
e) Locate the rotary seal unit onto the shaft/sleeve
according to the set dimension provided by the seal
manufacturer. Tighten set screws on the seal to
lock the rotating unit to the shaft/sleeve. Install a
stationary seat into the casing seal chamber [1100].
e) Now attach the gland [4120] to the cover using
studs [6570.6] and nuts [6580.2].
f) Lightly snug up the gland. Final adjustments must
be made after the pump has begun operation. f) Install the casing [1100] to the bearing housing
adapter.
g) Install the impeller [2200] as instructed in section
6.6. Care should be taken in the handling of high
chrome iron impellers
g) Attach the gland/seat to the casing [1100] using
studs [6570.6] and nuts [6580.2].
h) Install the impeller [2200] as instructed in section
6.6. Care should be taken in the handling of high
chrome iron impellers. Remember that the
impeller clearance is already set. It cannot be
changed at this point without resetting the seal.
6.9.3 Installation of front cover
a) Install a new cover gasket [4590.1]. The gasket
material must be overlapped at the joint.
b) Install the front cover [1223] and clamping ring
[1240]. 6.9.2.4 Packing
c) Uniformly tighten through bolts [6570.1] and nuts
[6580.1].
Split gland installation
a) Install the casing [1100] to the bearing housing
adapter and clamp in place.
b) Install and set the impeller [2200] clearance as
outlined in section 6.6.
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