Ingersoll-Rand 66651-B manual Disassembly / Reassembly, Trouble Shooting

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DISASSEMBLY / REASSEMBLY

block, making sure it rests squarely on the (22) head plate.

40.Snug up the other four (26) cap screws in the top of the

(30)block manifold just enough to draw the (30) block manifold against the (22) head plate.

41.Tighten the four (26) cap screws which secure the (27) block to the (30) block manifold. Now, tighten the four

(26)cap screws in the top of the (30) block manifold.

37 Air Cylinder

50 “O” Ring

46 Air Motor Base

43 Piston Assembly

TROUBLE SHOOTING

Air leakage out of the main exhaust.

yCheck for worn or damaged (18) “O” rings on spool.

yCheck for worn or damaged (14) “U” cup packing.

yCheck for worn or damaged (20) spool.

yCheck for worn or damaged (50) “O” ring on (43) piston assembly.

Air leakage around (43) piston assembly.

yCheck for worn or damaged (12) “U” cup packing.

Fluid leakage out of the pilot exhaust hole.

yCheck for worn or damaged (3) “O” ring.

yCheck for worn or damaged inside diameter of (6) cylin- der.

yCheck for worn or damaged (1) “O” ring.

yCheck for worn or damaged (24) “U” cup packing.

yCheck for worn or damaged (12) “U” cup packing on (11) piston.

Figure 4

y ARO® is a registered trademark of Ingersoll-Rand Company y Gadus® is a registered trademark of the Shell Oil Company y Loctite® is a registered trademark of the Henkel Loctite Corporation y

y 271® is a trademark of the Henkel Loctite Corporation y

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66651-B (en)

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Contents General Description Service KitsOperating and Safety Precautions AIR and Lube RequirementsTheory of Operation Air motor base assembly Disassembly / Assembly AIR Motor DisassemblyAIR Motor Assembly Place the 39 valve rod thru the 48 screwDisassembly / Assembly Clean the threads in the 20 spoolAssemble the 28 and 29 O rings into the 30 block manifold Parts List Air leakage around 43 piston assembly Disassembly / ReassemblyTrouble Shooting 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