Page 6 - EASA_AR100-2020 APEX_IESCO_Neat

Section 1, Page 2 EASA AR100-2020 Recommended Practice - Rev. August 2020

1.5.2 Cleaning 1.8 TERMINAL BOXES
All windings and parts should be cleaned. Dirt, Missing terminal boxes should be replaced, and
grit, grease, oil, and cleaning agent residue should damaged terminal boxes should be repaired or
be removed. The parts that do not require immediate replaced. See NEMA Stds. MG 1 for guidance on re-
work should then be clearly labeled to identify the placement terminal boxes. Gaskets and seals that are
DRAFT
customer or job number and stored to prevent dam- removed should be replaced. If inspection indicates
age, contamination or corrosion. missing gaskets or seals, they should be replaced.
1.6 TERMINAL LEADS 1.9 COOLING SYSTEM
All apparatus equipped with lead wire should have The fans and cooling ducts should be clean and
insulated lead wire that meets or exceeds machine operational. Cover plates and air baffles should be
rated current, temperature class and voltage. The clean and in place. Damaged or missing parts of the
temperature rating should be appropriate for the cooling system should be repaired or replaced. The
duty and any oven curing process, and allow for the locations of air baffles and any stator end winding
effect of heat transfer to the terminals. spacers that are utilized for guiding airflow should
All leads should be suitably marked or colored be documented prior to any stator winding removal
where necessary to indicate correct connection. Lead to allow duplication within a replacement winding.
markings should conform to original manufacturer
1.10 EXTERIOR FINISH
markings, NEMA Stds. MG 1 or IEC Stds. 60034-8,
whichever is applicable. Apparatus should be externally cleaned and paint-
Leads and markings should be of sufficient durabil- ed, unless the customer requests otherwise.
ity to withstand the environment involved and be of 1.11 PACKAGING AND
sufficient length for ease of connecting to power sup- TRANSPORTATION
ply at the terminal box or to terminal blocks. Leads on After completion of the repair and testing, the ma-
totally enclosed apparatus should be properly sealed chine should be packed in a manner suitable for the
to meet environmental operating conditions. Leads form of transport to be used. Packing and transport
should be protected from abrasion at the frame exit should be as arranged with the customer. Blocking
and from any sharp edges. of the shaft is recommended, depending on the type
A print or plate should be furnished, where neces- of machine, mode of transport and the distance to
sary, indicating correct connections. be traveled. Where blocking is used, it should be
Note: If the machine has a service factor, the ter- clearly identified. Oil-lubricated machines should
minal leads should be rated for the service factor be shipped without oil, and the need for lubricant
current. clearly identified.
1.7 TERMINAL CONNECTORS 1.12 AUTHORIZATION TO SHIP
The recommended method of attaching terminal Repaired machines that have passed all required
connectors (lugs) to lead wire is by crimping or repair related tests and inspections should have the
pressure indenting the lug barrel, using a lug sized
indication of acceptability, for example, “OK to ship”
to suit the particular cable stranding provided, in entered in the repair record. The service center should
accordance with recommendations of the lug manu- identify those authorized to make this determination.
facturer.
Damaged or missing lugs should be repaired or
replaced.

2 Copyright © 2020, EASA, Inc. (Version 0920)