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Motor Replacement
311283D 29
Motor Replacement
Removal
1. Relieve pressure, page 5.
2. Remove screws (79) and washers (78) and belt
cover (67).
3. Remove belt (19), page 20.
4. Remove screws (21), washers (70) and nuts (10)
securing motor (5) to frame.
5. Remove motor (5) from frame.
Replacing Motor Fan
Removal
a. Loosen and remove bolts (86) on front of fan
(14).
b. Pull fan (14) off small pulley (6).
Installation
a. Position new fan (14) over small pulley (6).
b. Replace bolts (86) and tighten securely.Torque
to 125 +
10 in-lb (14.1 + 1.1 N.m).
Removing Pulley (6)
NOTE: This procedure is only necessary if you
are replacing the motor. When you install a new
motor you reuse the existing pulley.
Removal
a. Loosen set screw (87) located on the side of the
pulley (6).
b. Remove large bolt (24) in the center of pulley
(6).
c. Pull pulley (6) off motor (5).
Installation
a. Position new pulley (6) on motor (5).
b. Install large bolt (24) and washer (65) in center
of pulley (6). Torque to 125 +
10 in-lb (14.1 + 1.1
N.m).
c. Tighten set screw (87). Torque to 60 +
2 in-lb
(25.4 N.m).
Installation
1. Install motor (5) in frame.
2. Replace all screws (21), washers (70) and nuts (10).
Tighten securely.
3. Install belt (19) over pulleys (4, 6), page 20.
4. Replace belt cover (67) and screws (79) and wash-
ers (78) (2 each side). Using a wrench tighten bolts.
Torque to 25-30 in-lb (2.8-3.4 N.m).