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Always wear eye protection when operating or
performing maintenance on this tool.
Always turn off air supply and disconnect air supply
hose before installing, removing or adjusting any
accessory on this tool, or before performing any
maintenance on this tool.
LUBRICATION
Each time a Model 44SMA is disassembled for
maintenance, repair or replacement of parts, lubricate the
tool as follows:
1. Work 1 – 2 cc of Ingersoll–Rand No. 28 Grease
through the Grease Fitting (15 and 54).
2. Remove the Oil Chamber Plug (20) and fill the
chamber in the Backhead (14) with Ingersoll–Rand
No. 50 Oil.
3. Inject 2 or 3 drops of light oil into the oil hole in the
Throttle Sleeve (123).
DISASSEMBLY
General Instructions
1. Do not disassemble the tool any further than
necessary to replace or repair damaged parts.
2. Whenever grasping a tool or part in a vise, always use
leather–covered or copper–covered vise jaws to
protect the surface of the part and help prevent
distortion. This is particularly true of threaded
members and housings.
3. Do not remove any part which is a press fit in or on a
subassembly unless the removal of that part is
necessary for repairs or replacement.
4. Do not disassemble the tool unless you have a
complete set of new gaskets and O–rings for
replacement.
Disassembly Maintenance Instructions
1. Keep the Air Strainer Screen (131) clean.
Periodically, as experience indicates, unscrew the Air
Strainer Body (133) from the Air Strainer Cap (130)
and wash the Air Strainer Screen in a suitable
cleaning solution. Push the prongs on the Screen
Support (132) into one end of the Screen and insert
the Screen end first, into the Body when assembling
the strainer.
The external thread on the Outer Feed Screw (79)
is left–hand; rotate the Feed Screw Cap (81)
clockwise to remove.
All manuals and user guides at all-guides.com
MAINTENANCE SECTION
2. Do not pry the Backhead (14) from the Motor
3. Rotate the Governor Assembly clockwise to remove
4. Never clamp the Cylinder (39) in a vise. When
5. Unscrew the three Planet Gear Frame Set Screws (46)
General Instructions
1. Always press on the inner ring of a ball–type bearing
2. Always press on the outer ring of a ball–type bearing
3. Unless otherwise noted, always press on the stamped
4. Whenever grasping a tool or part in a vise, always use
5. Always clean every part and wipe every part with a
6. Apply a film of O–ring lubricant to all O–rings before
7. Check every bearing for roughness. If an open
18
Housing (1). Grasp the Oil Chamber Plug (20) in a
copper–covered or leather–covered vise jaws and pull
on the Housing if the Backhead can not be lifted off
with the fingers.
The Governor Assembly (22) has left–hand
threads.
it.
disassembling the Motor:
a. Grasp the Cylinder in one hand.
b. Insert a small rod into the rotor bore and drive the
hub on the Rotor out of the Rear Rotor Bearing
(34).
c. Support the Front End Plate (37) and press the
rotor front hub out of the Front Rotor Bearing
(35).
from the Planet Gear Frame (45) before attempting to
press the Spindle out of the Planet Gear Frame.
ASSEMBLY
when installing the bearing on a shaft.
when pressing the bearing into a bearing recess.
end of a needle bearing when installing the needle
bearing in a recess.
leather–covered or copper–covered vise jaws. Take
extra care with threaded parts and housings.
thin film of oil before installation.
final assembly.
bearing must be cleaned, wash it thoroughly in a
suitable cleaning solution and dry with a clean cloth.
Sealed or shielded bearing should never be
cleaned. Work grease thoroughly into every open
bearing before installation.
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