Page 137 - 233423 - Exhaust Fans_Neat

Bushing Information
1. Place bushing key into slot (A), excludes H bushing.
2. Install bushing into hub (1). Align bushing key with hub key-way (1).
3. Use blue Loctite on the mounting bolts.
4. Install bolts and torque to proper setting listed in Table 5.
5. Install fan assembly so that bushing key-way (B) is aligned with the motor’s shaft slot (2).
6. Install shaft key in key-way (2).
7. Tighten set screw to lock key in place.
8. There are threaded holes provided on the bushing.
9. These holes are for removing the bushing when required.
Figure 34 - Bushing Details

Shaft

2
1
Threaded
Hole
Bushing
Set Screw
B
A
Bolt

Table 5 - Bushing Specifications
Bushing Type Outer Diameter Bolt Size Torque (In-lbs) Set-Screw (in-lbs)
H 2-1/2” 1/4” X 3/4” 95 17
P1 3” 5/16” X 1” 192 65
Q1 4-1/8” 3/8” X 1-1/4” 348 115

Bushing type is stamped on the face of the bushing.

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