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Counterclockwise to Tighten
(Dwg. TPD1266)
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.
4.
Do not disassemble the tool unless you have a complete set of
new gaskets and O-rings for replacements.
5.
Use Impulse Tool Rebuild Tools listed in Table 1 on page 7.
Disassembly of the Impulse Mechanism
For Models Q60PQ1, Q70PQ1 and Q80PQ1 - use a pointed
1.
probe to push the Spring Seat (73) against the Retaining Sleeve
Spring (72). While the Sleeve is compressed, use another pointed
probe or thin blade screwdriver to remove the Retaining Ring
(74). Lift the Spring Seat, the Spring and the Bit Retaining Sleeve
(70) off the Drive Shaft (51) and remove the Bit Retaining Ball (71).
- Continue here for Models Q60PQ1, Q70PQ1 and Q80PQ1
- Step 1 for Models Q60P3, Q70P3, Q80P3, Q90P3 and
Q110P4
Using copper-covered vise jaws, carefully grasp the Flats of
the Hammer Case (65) with the output end of the Drive Shaft
downward.
2. Using an adjustable wrench, unscrew the Motor Case Assembly (1)
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
(Dwg. TPD1264)
80213671_ed2
15. For Models Q60PQ1, Q70PQ1 and Q80PQ1, insert Bit Retaining
Ball into the hole in the Drive Shaft. Place Bit Retaining Sleeve
Spring and Spring Seat onto the Drive Shaft. Compress the Spring
Seat against the Spring and install the Retaining Ring onto the
Drive Shaft.
Now continue for all Models
16. Test the tool for torque at maximum, minimum and mid-range
torque settings. If the tool does not perform satisfactorily, repeat
the refill procedure and pay particular attention to removing
unwanted air from the fluid system. Refer to the section TORQUE
ADJUSTMENT in Product Information Manual for specific
adjustment procedures.
3. Lift the assembled motor off the Hammer Case and pull the
mechanism assembly out of the Cover.
4. With the assembled mechanism off of the Rotor, use the Oil Plug
Wrench to unscrew and remove the two Oil Plugs (59) and two
Oil Plug Seals (60) from the front end of the Mechanism.
5. Using the 1.5 mm hex wrench furnished with the tool, rotate
the Adjust Bolt counter-clockwise until it stops, then turn back
clockwise 90°.
6. With the oil plug opening downward over a container, rotate the
Drive Shaft to purge the fluid from the mechanism.
7. Insert mechanism into Holder - Jig H and then clamp the flats on
the Holder in a vise. Insert the Spanner-Jig A into the Liner
Cap (44). Using a wrench on the spanner, unscrew and remove
the Liner Cap from the Liner Case. (Refer to Dwg. TPD1267.)
Spanner Plug
(Dwg. TPD1267)
8. Stand the Disassembly Arbor-Jig B, 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-Jig C to press the Liner Case downward off the
components. (Refer to Dwg. TPD1268.)
Pressing
Sleeve
Liner
Case
(Dwg. TPD1268)
9. Tap the Liner on a soft surface to remove the dowel pin. Be
careful not to lose the pin when attempting to remove it.
10. Disassemble the components of the mechanism in the sequence
shown in Drawings, refer to Parts List to locate specific Model
drawings.
Counterclockwise
to Loosen
Tap Edge Lightly with
Brass Hammer or use
Pressing Sleeve
Disassembly Arbor
3
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