Nexen DFC-1650 964161 User Manual download pdf (Page 2)

FORM NO. L-20272-E-1199

INSTALLATION

NOTE

The Pilot Housing has a 1/2-13 UNC tapped hole on

its outside diameter. A lifting ring may be threaded

into this hole to aid in the mounting/dismounting of

the clutch.

1. Apply a drop of Loctite

242 to the threads of the eight

0.500-13 x 1.500" customer supplied socket head cap

screws and lock washers; then, secure the sheave to

the clutch (See Figure 1).

2. Alternately and evenly tighten the eight Socket Head

Cap Screws to 114 Ft. Lbs. [153.83 N•m] torque.

3. Insert the customer supplied key into the motor shaft

(See Figure 2).

NOTE

The motor shaft must be the proper size to allow

installation of the clutch onto the motor shaft. The

shaft bore of the clutch is machined to nominal

motor shaft sizes

+0.001

-0.000

''. Refer to Figure 3 for

maximum and minimum motor shaft insertions.

4. Slide the clutch onto the motor shaft (See Figures 2

and 3).

5. Apply a drop of Loctite

242 to the threads of the three

Set Screws (Items 24 and 33); then, insert and tighten

the three Set Screws (See Figure 2).

NOTE

Properly align sheave and tension the belts (see belt

and sheave manufacturer tightening and alignment

specifications).

CAUTION

Failure to align the sheaves will adversely affect

clutch and motor bearing life, compromise belt

wear, and cause belt squeal and vibration which

leads to belts turning over and/or being thrown

from the drive.

FIGURE 1

FIGURE 2

FIGURE 3

Customer

supplied

key

Lock Washer

Socket Head

Cap Screw

Sheave

Clutch

Set Screw

(Items 24 and 33)

1 2 3 4 5 6 7 8 9 10

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Nexen DFC-1650 964161 User Manual Page 2

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