Pulverizer Gearbox Rebuild Programs - APComPower, Inc.

Boilers Pulverizers
Pulverizer Gearbox Rebuild Programs
Alstom’s Pulverizer Gearbox
Rebuild Programs are an
economical alternative to
purchasing new equipment.
These programs are available
for a variety of gearbox and
pulverizer types and brands.
Customer Benefits
Saves approximately 50% over
purchasing new equipment
Shorter lead time than purchasing
new equipment
All rebuilds are conducted in
accordance with strict procedures
and to original equipment
tolerances and specifications
Pulverizer Gearbox Rebuild Programs
combine Alstom’s coal pulverization
experience, a network of Regional
Service Centers and supply partners,
and proven rebuild processes to
deliver best-in-class service.
www.service.power.alstom.com
Triple Reduction Gearbox during Rebuilding Program
Alstom can rebuild gearboxes at
one of our facilities or supply all the
necessary components such
as bearings, gears and shafts for
on-site rebuilding.
Rebuild Programs are available for all
removable gearboxes including:
• triple reduction
• roller bearing
• bushing and pancake styles
...as used on Alstom pulverizers and
MPS and EL-type mills.
On-Site Rebuilds
Alstom offers pre-assembled
gearbox shafts and upgraded
bearing seal arrangements for our
customers’ convenience.
Upgrades
Customers can make component
upgrades, such as bearing and seal
modifications, a part of the rebuild.

Rebuild Overview
• Disassemble completely
• Clean and dimensionally inspect
all components
• Flush and examine all
lubrication systems
• Replace worn and damaged
parts such as gears, bearings,
shafts, and seals
• Repair components and parts
• Reassemble to strict procedures
and tolerances with all settings
and adjustments made to
engineering specifications
• Perform “No-Load” spin test
• Evaluate and document gearbox
condition and rebuild
R 3 Rotation Programs
Alstom offers its R 3 Rotation
Program when a number of
gearboxes require rebuilding over
a period of time. This program
is a systematic method for
rebuilding equipment and
returning it to service.
• Rebuild – The gearbox is rebuilt.
• Restock – Once rebuilt the
gearbox is placed in the
customer’s exclusive stock
at an Alstom facility.
• Replace – The gearbox is returned
to the customer to replace a similar
gearbox requiring rebuilding and
the cycle is continued.
PIB 418
Horizontal Shaft Double Reduction Gearbox
Right Angle Double Reduction Gearbox
Pancake Gearbox
PSE/BPROS/PIB418-09/eng/PSER1/05.09/US/6902 © 2009 Alstom Power Inc. 06095. Alstom, the Alstom logo and any alternative
version thereof are trademarks and service marks of Alstom. The other names mentioned, registered or not, are the property of their
respective companies. The technical and other data contained in this document is provided for information only. Alstom reserves the
right to revise or change this data at any time without further notice.
Boilers
Other Rebuild Services
Alstom can rebuild the worm shaft
and worm gear assembly in lieu of a
complete pulverizer gearbox rebuild.
In addition to rebuilding pulverizer
gearboxes, Alstom can rebuild any
gearbox in the power plant including
those for:
• conveyor belts
• cooling towers
• air heaters
• rail car unloaders
...to name a few.
Powering Your
Plant Performance
Pulverizer Gearbox Rebuild
Programs are another example of
the Alstom commitment to provide
products and services that extend
equipment life cycle, improve
availability and decrease the
Total Cost of Ownership.