General Instructions - Ingersoll Rand S120 Manual De Instrucciones

4. Retract the Swing Guard (75) and withdraw the Saw
Blade through the Base (63).
5. Remove the Swing Guard Cotter (76), Guard Spring
Cotter (68) and Guard Spring (79).
6. Remove the Stationary Guard Cap Screws (72).
Tapping the inboard surface of the Stationary Guard
(64) with a soft hammer, dislodge the Guard from the
Motor Housing (1).
7. Remove the Tilt Sector Cap Screws (82 and 84).
Remove the Base from the Stationary Guard.
8. Using a No. R3H–26 Spanner Wrench inserted into
the two holes at the outboard end of the Arbor (40) to
prevent rotation, unscrew and remove the Arbor Lock
Screw (38) on the inboard end of the Arbor. Remove
the Arbor Lock Screw Washer (39).
9. Position a flat–faced 3/8" diameter (9.5 mm) by 6"
long (152.4 mm) brass rod on the inboard end of the
Arbor and using a hammer, drive the Arbor from the
Stationary Guard. The Rear Arbor Bearing (41),
Arbor Gear (43) and Arbor Gear Key (42) will fall off
the arbor shaft.
10. Using a No. R3H–26 Spanner Wrench, and turning
counterclockwise, remove the Arbor Bearing
Cap (45).
11. Lift off the Swing Guard Shim (77), Swing Guard and
Swing Guard Washer (78).
12. If the Front Arbor Bearing (44) needs to be replaced,
press it from the Stationary Guard. This is a light
press fit.
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. Except for bearings, 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 a clean,
suitable, cleaning 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. Always press on the stamped end of a needle
bearing.
MAINTENANCE SECTION
Assembly of Throttle Handle
1. Grasp the Throttle Valve Stem (53) in copper–covered
2. Install the Throttle Valve Face (54), Throttle Face Cap
3. Grasp the Throttle Handle (47) in copper–covered
4. Insert the assembled Valve Stem, small diameter first,
5. Insert the Throttle Valve Spring (57), small diameter
6. Install the Throttle Valve Cap Seal (59) onto the
7. Thread the Valve Cap into the Handle to retain the
8. Install the Throttle Lever (48) into its slot in the
9. Drop the Plunger Spring Seat (61) into the Handle and
10. Engage the recess in the face of the Throttle Lever
11. Before installing the assembled Handle onto the
12. Install the Air Strainer Screen (8) and the Handle Seal
13. Position the Throttle Handle onto the Motor Housing
24
vise jaws, large diameter of the stem upward.
(55) and retain them with the Throttle Face Retaining
Screw (56). Remove the Throttle Valve Stem from the
vise.
vise jaws, air inlet upward.
into the bore of the Throttle Handle.
first, so the coiled end encircles the Retaining Screw.
Throttle Valve Cap (58).
throttle valve parts. Tighten securely.
Throttle Handle and retain it with the Throttle Lever
Pin (51).
insert the Plunger Spring (60) and Throttle Lever
Lock Plunger (50) into the plunger hole in the Handle
against the Seat. Make certain the Plunger enters the
hole in the center of the Seat.
Lock (49) with the exposed end of the Throttle Lever
Lock Plunger. Align the through hole in the Throttle
Handle with the hole in the Lever Lock and press the
Throttle Lever Lock Pin (52) into the Handle. Actuate
the Lever Lock and Lever to determine that they are
operating smoothly.
Motor Housing, install an air hose in the tapped inlet.
Apply 90 psig (6.2 bar/620 kPa) air pressure to the
Handle and operate the Lock and Lever a number of
times. Make certain that no air passes through the
valve when the Handle is in the locked position.
(5) into the Throttle Handle.
aligning the holes in both the Handle and the
Housing. Install the two Motor Housing Lock
Washers (10) and Motor Housing Cap Screws (9).
Tighten the Cap Screws between 25 and 35 ft–lb (33.9
and 47.5 Nm) torque.