A-1.
DESCRIPTION AND OPERATION.
TABLE I. LEADING PARTICULARS
A. The Model 225344-100 Electrical Motor, is used
Duty Cycle .................................................. Continuous
to drive an air compressor in an ordnance
Rotation
military vehicle.
(viewed from drive end) ...............Counterclockwise
Input Voltage.....................................................27 VDC
B. This is an open-ventilated, continuous duty,
Output ................................................................ 3.5 HP
direct-current motor. Operational characteristics
Current (nominal) ......................................... 130 AMPS
of the equipment are shown in the Table of
Speed ................................................ 3600 RPM (Min.)
Leading Particulars, Table I.
To facilitate
Torque ........................................................... 61 Lb. In.
positive identification of parts, an exploded view
Weight .............................................................. 27 Lbs.
is given as Figure AG.
C. This unit is shipped ready for use. There are no
5. Remove screws (31), retainer (32) and
instructions necessary for its operation.
bearing (33). Remove nuts (34), washers
Preventative maintenance should be general,
(35) and tap end bell (30) with a rawhide
such as wiping accumulated dust from its
mallet to separate it from the remaining
exterior surface or other types to be determined
assembly.
by the operational environment of the motor.
A-2.
DISASSEMBLY.
6. Remove insulators (36), washers (37) and
rod assemblies (38). Tap end bell (39) on
lugs with a rawhide mallet to separate it
A. General.
from the stator assembly. Do not remove
pin (40) or insert (41) from the end bell
1. Disassembly is generally in the order of
unless they are damaged. Press bearing
the index numbers assigned to the
(44) from armature (42). Do not remove
exploded view, Figure A-4.
insert (43) unless it is damaged.
B. Disassembly Procedure.
7. Remove screws (45), base (46), screws
(47), pole shoes (48), field winding (49),
1. Remove screws (2) and lift off radio filter
terminal lugs (50), winding (51) and
(1) and cover assembly (3). Remove
terminal (52) only if necessary.
screw (4) and washer (5) to separate filter
from field.
8. Do not remove identification plate (56)
unless necessary.
2. Remove screw (6), washer (7) and (9),
and fan (8). Remove spacer (10).
A-3.
CLEANING.
3. Lift brushes (11) from their holders and
A. Wash all parts in cleaning solvent Federal
remove screws (12) and washers (13).
Specification P-D 680 except for brush rigging
assembly (items 14 through 29), ball bearings
4. The end bell assembly (items 14 through
(33) and (44), armature (42) and windings (49)
30) are to be removed in that numerical
and (51). Wipe these parts with a lint free
order. Do not remove insert (29) from
solvent dampened cloth.
Dry all parts
terminal (28) unless the threads are
thoroughly after cleaning.
damaged.
WARNING
Note
In order to relieve the tension on springs
Clean parts in a well ventilated area, or
(20), nuts (17) should be backed off first
in a parts cleaning cabinet equipped
sufficiently to allow holder (19) to rotate
with an approved exhaust system to
3/4 turn before the spring holder is
minimize inhalation of solvent vapors.
removed.
Avoid prolonged exposure of cleaning
solvent
A-3
