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Nexen S-450 827801 User Manual

Page 5

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5

FORM NO. L-20087-P-1112

INSTALLATION

1. Insert the Key (Item 16) into the shaft keyway.

2. Slide the brake over the Key and on the shaft.

3. Install and tighten the three Set Screws (Item 17).

4. Align the brake's air inlet to the six o’clock down

position.

5. Using the four holes in the Air Chamber flange or a

torque pin in the slot provided, secure the brake's Air
Chamber (Item 4) to prevent brake rotation.

FIGURE 1

Set Screws

(Item 17)

Key

(Item 16)

Torque

Pin Slot

NOTE: Refer to Figure 1.

BRAKE GUARD INSTALLATION

FIGURE 2

Brake Guard

End Cap

Air Chamber

NOTE: Refer to Figure 2.

1. Align the mounting holes of the Brake Guard with the

four tapped holes in the S-brake Air Chamber.

2. If the Brake Guard is shipped with an End Cap, place

the End Cap over the front of the Brake Guard and
bend the tabs around the Brake Guard to hold the End
Cap in place.

3. Using the four Phillips Head Pan Screws, secure the

Brake Guard to the Brake. Tighten to 35 in-lbs [4
Nm].

4. If additional clearance is required (S-1200/1400),

secure standoffs to air chamber before tightening
fastening screws.

WARNING

Ensure proper guarding of the product is

used. Nexen recommends the machine

builder design guarding in compliance

with OSHA 29 CFR 1910 “Occupational

Safety and Health Hazards”.