Ingersoll-Rand 66651-B manual Optional 66718 Muffler Assembly Muffler Installation

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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 97999-869

Page 8 of 8

66651-B (en)

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Contents Service Kits Operating and Safety PrecautionsGeneral Description AIR and Lube RequirementsTheory of Operation Disassembly / Assembly AIR Motor Disassembly AIR Motor AssemblyAir motor base assembly Place the 39 valve rod thru the 48 screwAssemble the 28 and 29 O rings into the 30 block manifold Disassembly / AssemblyClean the threads in the 20 spool Parts List Disassembly / Reassembly Trouble ShootingAir leakage around 43 piston assembly Air leakage out of the main exhaustCross Section Optional 66718 Muffler Assembly Muffler Installation Remove nut and sleeve from the 1 90 short angle el- bow