Ingersoll Rand 40PSQ1 Manual De Operación Y Mantenimiento página 37

Disassembly
General Instructions
1. Do not disassemble the tool any further than necessary
to replace or repair damaged parts.
2. When 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 an
assembly unless the removal of that part is necessary
for repairs or replacement.
Disassembly of the Impulse Mechanism
1. For Models 40PSQ1, 45PSQ1 or 55PSQ1, use a
pointed probe to push the Spring Seat (103) against the
Retaining Sleeve Spring (102). While the Sleeve is
compressed, use another pointed probe or thin blade
screwdriver to remove the Retaining Ring (104). Lift
the Spring Seat, the Spring and the Bit Retaining
Sleeve (101) off the Drive Shaft (75) and remove the
Bit Retaining Ball (100).
❑ Continue here for Models 40PSQ1, 45PSQ1 and
55PSQ1
➢ Step 1 for Models 45PS3 and 55PS3
Using copper-covered vise jaws, carefully grasp the
Flats of the Hammer Case (98) with the output end of
the Drive Shaft downward.
2. Using an adjustable wrench, unscrew the Motor
Housing Assembly from the Hammer Case. This is a
left-handed thread, rotate the Motor Housing clockwise
to remove it. (Refer to Dwg. TPD1264.)
CLOCKWISE TO LOOSEN
3. Lift the assembled motor off the Hammer Case and
pull the mechanism assembly out of the Cover.
❑ Go to step 4 for Models 40PSQ1, 45PSQ1,
55PSQ1, 45PS3 and 55PS3
➢ Step 1 for Models 70PS3 and 90PS4
Using a hex wrench, remove the 4 Hammer Case
Screws (107) and Lock Washers (106). Lift the
Hammer Case (98) off the Motor Housing over the
Drive Shaft. Remove the Hammer Case Gasket (108).
Maintenance Section (Continued)
4. With the assembled mechanism off of the Rotor, use
Oil Plug Wrench to unscrew and remove the Oil Plug
(85) and Oil Plug Seal (84) from the front end of the
Mechanism.
5. Using the 1.5 mm hex wrench (F) furnished with the
tool, rotate the Torque Adjustment Screw identified
with yellow paint, counterclockwise until it stops.
6. With the oil plug opening downward over a container,
rotate the Drive Shaft to purge the fluid from the
mechanism.
7. Insert the pins of the Spanner Plug from the 45PS-99
(or from the 90PS-99 in the case of Model No. 90PS4),
Tool Kit into the holes provided in the Housing Cap
(56). Using a wrench on the plug, unscrew and remove
the Housing Cap from the Liner Case. (Refer to Dwg.
TPD1267.)
NOTE: An adhesive agent is used on Models 70PS3 and
SPANNER PLUG
8. Stand the Disassembly Arbor from the Tool Kit, with
large end downward, on a workbench or on the table of
an arbor press. Insert the output end of the Drive Shaft
into the central opening and either tap the Liner Case
downward off the components or use the Pressing
Sleeve in the Kit to press the Liner Case downward off
the components. (Refer to Dwg. TPD1268.)
PRESSING SLEEVE
(Dwg. TPD1264)
In the following step, do not remove or turn the Shut-off
Adjustment Screw located in the Front Liner Cover. It
is the Screw located 180 from the yellow torque
adjustment screw.
9. Disassemble the components of the mechanism in the
sequence shown in Drawings, refer to Parts List
section to locate specific Model drawings.
37
90PS4.
COUNTERCLOCKWISE TO LOOSEN
TAP EDGE LIGHTLY WITH BRASS
HAMMER OR USE PRESSING
SLEEVE FROM TOOL KIT
LINER CASE
DISASSEMBLY ARBOR
FROM TOOL KIT
(Dwg. TPD1267)
(Dwg. TPD1268)