AirBrake
®
Bushing Mount
Installation Instructions
Prior to installation please confirm that the following parts are present.
Qty(1)
AirBrake
®
bushing mount assembly
Qty(1)
Double Link Bar
Qty(1) Shoulder
Bushing
Qty(1) SAE
3/8-16
Bolt
Qty(1) SAE
3/8-16
Nut
Qty(2)
Shackle with screw pin
Qty(6)
Wire rope clips
Qty(2) Thimble
Qty(2)
1/2”-13 Eye bolt, washer, and nut
Qty(3) Mount
Bolts
Qty(3) Lock
washers
Qty(2)
Stainless steel restraining cable
assembly
Qty(2)
Package of Loctite 262
TMC 878 REV H (Jun 2018)
CAUTION:
Prior to installation confirm the operation direction of the fan, and ensure this coincides with the
direction of free rotation of the AirBrake
®
. Also ensure that the maximum overrunning speed does not exceed 600
RPM.
0.5 “ (12.7mm)
Maximum (Shaft
diameter 2-
15/16” (75 mm) or
less)
STEP 1:
NOTE:
Confirm there is no more than 0.5 inches
(12.7 mm) of shaft extension beyond the bushing and
that there is at least 3 inches (76.2 mm) of clearance
between the bottom of the bushing and the nearest
obstacle.
On shafts greater than 2-15/16” (75 mm) in
diameter there can be no shaft extension beyond the
face of the bushing.
STEP 2:
Install the AirBrake
®
assembly onto the bushing by
aligning the installation holes of the AirBrake
®
assembly with the threaded holes of the bushing. In-
stall the required hardware, bolt and lock washer, as
shown in
Figures 2 and 3
and torque the bolts to the
values specified in Table 1
.
Figure 1.
Maximum shaft extension.
Figure 2.
E, F, and J installation
STEP 3:
Install double cable link bar onto AirBrake® arm, at the center hole
of the link bar, with supplied shoulder bolt and locking nut. Tighten
shoulder bolt and nut to 30 Lb-Ft ( 4.1 m-kg) Insert thimble portion
of each cable onto each of the shackles. Install each shackle op-
posed to each other at the ends of the cable link bar. See
Figure 3
for installation illustration. Tighten the nut of each shackle bolt to 20
Lb-Ft ( 2.8 m-kg ) and install safety cotter pin through each bolt.
Figure 3.
Installation of shackle