Ingersoll-Rand 4578217 - Manual (Page 16)

16
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.
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)
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.