TM 5-4310-352-14
CHAPTER 6
REPAIR INSTRUCTIONS
Section I. ELECTRIC MOTOR AND COMPONENTS
(2) Remove key (4) from key way of rotor
6-1. General
shaft.
The drive unit is a two horse power, 1,750 rpm, 115/230
(3) Remove nuts (5) from studs (6) and re-
volt ac, single phase, 60 hertz induction motor for hori-
move studs.
zontal mounting, with a type 182T frame and a drip proof
(4) Remove rear bracket (7) from stator body
enclosure. It is controlled by a motor starter with heater
(23).
and overload relay, plus a pressure switch nominally set
(5) Remove rear baffle (8) and bearing (9)
to turn motor ON at 175 psi, and OFF at 200 psi plus or
from the rear bracket.
minus 5 psi. The motor is equipped with a two groove belt
(6) Remove rotor assembly (10) from stator
pulley. This pulley is matched to the fanwheel pulley of
and remove fan (11) and centrifugal device (12).
compressor, and turns the compressor at 610 rpm.
(7) Remove front bracket (13) from the stator
and remove the front baffle (14), stationary switch (15)
6-2. Electric Motor
and bearing (16).
a. Removal. Refer to paragraph 4-9 and remove
(8) Remove screws (17), conduit box cover
the motor.
(18) and capicators (19) from conduit box base (22).
b. Disassembly.
(9) Remove gasket (21), screws (20) and re-
(1) Remove setscrew (1, fig. 6-1) from motor
move the conduit box base from the stator body assem-
pulley (2) and slide pulley from rotor shaft (10).
bly.
6-1
