OPTIONAL 66718 MUFFLER ASSEMBLY

MUFFLER INSTALLATION

66718 PARTS LIST

NOTE: Secure fittings after all components have been posi- tioned.

1.Remove nut and sleeve from the (1) 90° short angle el- bow.

2.Insert and install the 3/4 - 14 N.P.T. end of the (1) elbow to the air motor (back off the retaining nut a few turns).

3.Insert the (5) pipe plug into the air motor secondary ex- haust port.

4.Slide the sleeve and nut onto the (2) tube and insert the tube into the (1) elbow.

5.Locate the (3) muffler on the collar of the air motor while aligning the (2) tube with the hole provided in the muf- fler.

6.Secure the muffler to the air motor collar with four (4) cap screws.

7.Secure all connections.

Item

Description (size)

Qty

Part No.

 

 

 

 

1

90° EMT Short Angle Elbow

(1)

79294

 

 

 

 

2

Tube

(1)

79293

 

 

 

 

3

Muffler

(1)

79295

 

 

 

 

4

Cap Screw (1/4”- 20 x 4”)

(4)

Y6-417

 

 

 

 

5

Pipe Plug (3/4 - 14 N.P.T.)

(1)

Y17-14-C

 

 

 

 

2

1

5

3

4

Figure 6

PN 97999-870

Page 8 of 8

66506-B (en)

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Ingersoll-Rand 66506-B manual Optional 66718 Muffler Assembly Muffler Installation