Ingersoll Rand 40PSQ1 Manual De Operación Y Mantenimiento página 41

11. Prior to installing the O-Ring (62), assemble the rear
Cover onto the Drive Shaft, oriented by the locating
pins. Make sure the 3rd Hole in the face lines up with
the 3rd Hole in the Liner.
12. Viewed from the front of the Impulse Mechanism, with
the Relief Valve's 3 internal holes oriented above the
Check Valve's single internal hole below; the Liner
Case (91) is correctly oriented when the Oil Plug
recess is to the left of center.
13. Lightly coat O-Rings (62, 78) with a suitable lubricant
and install them over the covers into the grooves
provided. The larger cross-section O-Ring goes in the
groove to the rear of the mechanism.
14. Install the 1st Rubber Plate (88), Spring (89), 2nd
Rubber plate and Screw (87) in each hole in the side of
the Liner Case.
15. Install both Adjustment Screws (90) into the Liner
Case, inserting them from the internal side. The Screws
are adjusted from the external end of the Liner Case,
with the Wrench extending through the Liner Case.
16. Install the O-Ring (86) into the internal groove of the
Liner Case. Apply a light coat of grease to the
O-Rings.
17. Place the Liner Case over the assembled Liner. Make
sure the notch in the face of the Liner Case aligns with
the Oil Plug hole. Using the Pressing Sleeve from the
Tool Kit, carefully press the Liner Case into position.
Do not damage O-Rings during installation.
18. Grasp the flats on the Liner Housing in a vise. Using
the Spanner Plug furnished with the Tool Kit, install
the Liner Cap (56). This is a left-handed thread.
19. Tighten the Housing Cap to 8-10 Nm for 40PSQ1,
45PS3, 45PSQ1, 55PS3 and 55PSQ1 Series; and 12-14
Nm for the 70PS3.
20. Make sure the Drive Shaft rotates freely, then fill the
Impulse Mechanism with fluid, as instructed in the
section, Changing the Mechanism Fluid.
❑ The "Assembly" process is now complete for
Models 40PSQ1, 45PS3, 45PSQ1, 55PS3 and
55PSQ1.
➢ Continued here (from Step 5) for Model 90PS4.
21. Install the two Bushings (P) and the two Nylon
Bushings (Q) and pin (83) in the front face of the Front
Liner Cover (82). Install both Adjustment Screws (90)
into the Front Liner Cover (82), inserting them from
the internal side. The Screws are adjusted from the
external end of the Cover, with the Wrench extending
through the Cover.
Maintenance Section (Continued)
22. Install the O-Ring (62) in the annular groove on the
face of the Rear Liner Cover (57).
23. Install the O-Rings (M) in the openings on the face of
the Front Liner Cover.
24. Install the Seal Back-Up Ring (77) followed by the
Drive Shaft O-Ring (76) in the central opening in the
face of the Front Liner Cover.
25. Insert the short round hub of the Drive Shaft into the
central opening of the Rear Liner Cover.
26. Insert a Blade (73) into one slot in the Drive Shaft.
Install the Blade Springs (74) through the Drive Shaft
and into the holes in that Blade. Place the remaining
Blade on the Springs making certain the Springs enter
the holes in that Blade.
27. Using finger pressure, compress the Springs with the
Blades until the outer edges of the Blades are flush
with the drive shaft surface. Capture the Blades in this
position by installing the Liner Assembly, piston stop
end trailing, over the Drive Shaft and against the Rear
Liner Cover.
28. Install the Front Cover Assembly over the Drive Shaft
and against the Liner. Viewed from the front of the
Impulse Mechanism, with the Relief Valve's 3 internal
holes oriented above the Check Valve's single internal
hole below; the Front Case is correctly oriented when
the Oil Plug recess is to the left of center.
29. Install the two Liner Cover Seals (86) in the grooves
inside the Liner Case (91) near the end with the
external wrench flats.
30. Place the Liner Case (with Seal end trailing) over the
assembled Liner. Make certain the notch in the trailing
end face of the Case aligns with the Oil Plug (85) in
the Front Liner Cover. Use the Pressing Sleeve from
the Tool Kit to press the Case over the Seals and into
position. Do not damage the Seals during installation.
31. Grasp the flats of the Liner Case in vise jaws and using
the Spanner Plug furnished with the Tool Kit and a
torque wrench, install the Housing Cap. This is a left-
handed thread; rotate the wrench counterclockwise
to tighten the Cap. Tighten the Cap 81-21 Nm of
torque.
32. Make certain the Drive Shaft rotates freely and then
fill the mechanism with fluid and reassemble the tool
as instructed in the section, Changing the Mechanism
Fluid.
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