Ingersoll-Rand 4578217 Assembly, General Instructions, Needle Bearing Inserting Tool, Dwg. TPD786

MAINTENANCE SECTION

ASSEMBLY

General Instructions

1.Always press on the inner ring of a ball-type bearing when installing the bearing on a shaft.

2.Always press on the outer ring of a ball-type bearing when pressing the bearing into a bearing recess.

3.Whenever grasping a tool or part in a vise, always use leather-covered or copper-covered vise jaws. Take extra care not to damage threads or distort housings.

4.Always clean every part and wipe every part with a thin film of oil before installation.

5.Check every bearing for roughness. If an open bearing must be cleaned, wash it thoroughly in clean solution and dry with a clean cloth. Sealed or shielded bearings should not be cleaned. Work grease into every open bearing before installation.

6.Apply a film of O-Ring lubricant to every O-Ring before installation.

7.Unless otherwise noted, always press on the stamped end of a needle bearing when installing a needle bearing into a recess. Use a bearing inserting tool similar to the one shown in Dwg. TPD786.

Tool Specific Instructions:

1.Assembly sequence is the reverse of disassembly.

2.First install the Throttle Lever Assembly, then the Valve parts.

3.Place the O-Ring Gasket and Muffler Element in position on the back of the Motor Housing and slide the Composite Housing down over the Motor Housing. Make sure the Gasket stays in correct position so as to not get pinched by the Composite Housing. Push the Composite Housing all the way back.

4.Install the Inlet parts. Make sure the O-Ring stays in correct position so as to not get pinched by the Inlet Bushing.

5.Assemble the Motor and install it in the Motor Housing. Make sure the Cylinder Dowel (24) is aligned with the round hole in the Motor Housing.

6.Install the Motor Clamp (SC models only), or Coupler, Clamp Sleeve and Extension assembly (XC models only).

7.Install the Housing Cap and the Collet parts.

Needle Bearing Inserting Tool

SHOULDER TO REGULATE DEPTH

PILOT TO FIT I.D. OF BEARING.

LENGTH OF PILOT TO BE APPROXIMATELY 1/8”

LESS THAN LENGTH OF BEARING

(Dwg. TPD786)

16