Installation – Nexen SSE-1200 822729 User Manual
Page 5
5
FORM NO. L-21089-B-0110
INSTALLATION
1. Before mounting, ensure Rear Piston Plate (Item 3)
has adequate clearance to move freely (See Figure 1
& Table 1).
2. Remove any dirt, grease, or foreign material from the
Friction Disc Hub (Item 1) bore and the tapered surfaces
of the Q.D. Bushing.
NOTE: Do not use lubricants when installing Q.D.
Bushing.
Do not strike Q.D. Bushing to “set” it in the bore of the
Friction Disc Hub.
3. Slide Q.D. Bushing into the bore of the Friction Disc
Hub (Item 1) (See Figure 2).
4. Insert cap screws into Q.D. Bushing, aligning them with
the tapped holes in the Friction Disc Hub (Item 1) (See
Figure 2).
5. Position TSE Brake on the shaft (See Figure 2).
6. Alternately and evenly tighten Q.D. Bushing cap screws
to the recommended torque (See Table 2).
NOTE: There should be a 1/4" - 1/2" [6.4 - 12.7 mm]
gap between the Q.D. Bushing flange and the Friction
Disc Hub after the cap screws have been tightened to
the recommended torque.
Runout is minimized if a Dial Indicator is used as the
Q.D. Bushing cap screws are tightened. Place contact
tip of Dial Indicator on smooth surface of the Friction
Disc Hub (Item 1) to measure runout. Runout on this
surface must not exceed 0.005" [0.13 mm] TIR when
cap screws are tightened (See Figure 2).
7. Secure brake Air Chamber (Item 4) to prevent
rotation and take up brake torque. A torque pin slot
is provided in the Air Chamber flange (See Figure 2).
NOTE: Keep torque pin as short as possible.
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TABLE 2
TABLE 1
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FIGURE 1
Piston and Piston
Plate move axially
to engage and
disengage. See
Table 1 for
clearance
requirements.
Motor or
Machine Frame
Rear Piston Plate
(Item 3)
Air Chamber Flange
(Item 4)
FIGURE 2
Pull-Up Bolts
Q.D. Bushing
Friction Disc
Hub
(Item 1)
Check runout with
Dial Indicator on
Friction Disc Hub
(Item 1).
Spring
Housing
(Item 4)
Torque
Pin Slot
Piston
Plate
(Item 3)
Torque
Pin
CAUTION
Do not flange mount TSE Brakes.
Bearing preload will result after bushing
is installed and premature bearing
failure will ensue.
CAUTION
Do not install Cap Screws into the threaded
holes of the Q.D. Bushing. The threaded
holes in the Q.D. Bushing are only used for
removal of the Q.D. Bushing.