
Form 80151624-Edition 1 3
10. For 3/8" and 1/4” Square Drive Spindles,
a. Locate Retaining Pin (59 or 61) and Retaining Spring (60 or 62) of
Spindle's square socket.
b. If necessary, use a pointed metal probe to pull Retaining Spring
out of Spindle cavity.
c. Also, if necessary, remove Pin from Square Drive Spindle.
11. For Quick Change Spindles,
a. Remove Retaining Ring (58), using Snap Ring Pliers.
b. Slide Spring (57), Sleeve (56) and Ball (55) off the Spindle (52).
For Extended Spindle Model Attachment
1. Using an adjustable Pin Wrench, unscrew Bearing Cap (72).
NOTICE
• Bearing Cap (72) has a left handed thread.
2. Pull the Drive Spindle Assembly (68) out of Housing Assembly (49).
3. If necessary, using a bearing puller tool, press the Rear Spindle
Bearing (71) off the Drive Spindle Assembly. Then remove the
Retaining Ring (70) and Washer (69).
4. Now tilt Spindle Housing, causing the Disengaging Spring (67),
Coupler (64), Square Drive or Quick Change Spindle (53 or 54 or
52), and Washers (50 and 51) to slide out.
5. Note that the No-Float Models have an extra Spacer (66) inside the
Coupler.
Assembly
Assembly-Motor Housing
General Instructions
1. To protect the part's surfaces and to prevent distortion of Housings
and threaded joints, use care when grasping the tool.
2. Always press on the inner ring of a ball-type bearing when installing
the bearing onto a shaft.
3. Always press on the outer ring of a ball-type bearing when pressing
the bearing into a bearing recess.
4. Refer to the "Lubrication" section of this manual for instructions on
how to properly grease this tool.
WARNING
• The following procedures are to be performed by an authorized,
trained repair person. To ensure proper functioning of the tool.
• When replacing the Motor Housing Assembly (34), always
ensure that the Memory Chip (32), Communication Board (38),
Transducer Gear Pack Assembly, and Attachment are all
assembled as a set with the new Motor Housing Assembly.
CAUTION
• When replacing a Transducer Gear Pack Assembly, always use
the Assembly designed for that model.
Assembly-Transducer Gear Pack
1. Apply Grease (Ingersoll-Rand #67) to ring gear of Transducer
Assembly (73).
2. Place one Spacer (74) into Transducer Assembly against bottom
face.
3. Grease the planet gear teeth of the 2nd Stage Spindle Assembly
(75), and slide into Transducer Assembly.
4. Place second Spacer (76) into Transducer Housing against face of
2nd Stage Spindle Assembly.
5. Grease the planet gear teeth of the 1st Stage Spindle Assembly (77),
and slide into Transducer Assembly, taking care to align gear teeth of
the 1st Stage Spindle Assembly with the planet gears of the 2nd
Stage Spindle Assembly.
6. Place third Spacer (78) against 1st Stage Spindle Assembly.
7. Finally, install Retaining Ring (79) taking care to properly align into
groove of Transducer Assembly.
8. To assure free rotation of assembly, hold Transducer Gear Pack
Assembly steady, and manually rotate the 1st Stage Spindle
Assembly.
Assembly-Trigger Start, Push-to-Start, and
Trigger Permit Attachments
1. Visually check Housing for loose material fragments.
2. For 3/8" and 1/4" Square Drive Spindles, install Socket Retaining
Pin (59 or 61) into small hole on one of the flat sides of square
Spindle.
a. With Socket Retaining Pin (59 or 61) in place, locate the Pin's
groove inside end-hole of square Spindle.
b. Position Socket Retaining Spring (62 or 60) inside large hole of
square Spindle such that the free ends of the Socket Retaining
Spring are faced away from the hole and the closed side of the
spring will straddle the Socket Retaining Pin (59 or 61).
c. Holding the Socket Retaining Pin steady, push Spring down hole
of square Spindle until the Socket Retaining Spring's wire
engages Socket Retaining Pin.
d. Socket Retaining Pin is properly installed when Socket Retaining
Spring snaps into place.
3. For Quick Change Spindles,
a. Place Ball (55) into hole in Spindle.
b. Slide Sleeve (56) onto Spindle so that it retains the Ball, and slide
Spring (57) onto Spindle underneath the Sleeve.
4. Place Retaining Ring (58) into groove of Spindle to retain Spring and
Sleeve.
5. Slide Coupling Nut (64) over Attachment.
6. Using an appropriate tool, install Retainer (70) on assembly. Take
care to seat Retainer Ring in groove.
7. Slide Coupling Nut over Retainer (70), and spin by hand to check
freedom of movement.
8. Engage Attachment's Pinion into spline of Spindle Assembly (68),
then engage the spline on the Attachment with the internal spline of
the Motor Housing Assembly.
9. Thread Coupling Nut (64) onto Motor Housing Assembly.
10. While holding the tool using a Hook Spanner or similar wrench, use a
Spanner Wrench to torque Coupling Nut to 15 - 20 lb. ft. (20 - 27 Nm).
Assembly-Extended Spindle Attachment
1. Visually check Housing for loose material fragments.
2. For 3/8" and 1/4" Square Drive Spindles, install Socket Retaining
Pin (59 or 61) into small hole on one of the flat sides of square
Spindle.
a. With Socket Retaining Pin (59 or 61) in place, locate the Pin's
groove inside end-hole of square Spindle.
b. Position Socket Retaining Spring (62 or 60) inside large hole of
square Spindle such that the free ends of the Socket Retaining
Spring are faced away from the hole and the closed side of the
spring will straddle the Socket Retaining Pin (59 or 61).
c. Holding the Socket Retaining Pin steady, push Spring down hole
of square Spindle until the Socket Retaining Spring's wire
engages Socket Retaining Pin.
d. Socket Retaining Pin is properly installed when Socket Retaining
Spring snaps into place.
3. For Quick Change Spindles,
a. Place Ball (55) into hole in Spindle.
b. Slide Sleeve (56) onto Spindle so that it retains the Ball, and slide
Spring (57) onto Spindle underneath the Sleeve.
c. Place Retaining Ring (58) into groove of Spindle to retain Spring
and Sleeve.
4. Spin Spindle by hand to check freedom of movement.
5. Lubricate the bearings of the Housing Assembly (49) with
Ingersoll-Rand #67 Grease.
6. Slide Washer (50) and Washer (51) onto applicable output Spindle;
Square Drive Spindle (53 or 54) or Quick Change Spindle (52), and
insert output Spindle into Housing Assembly (49).
7. Align the Coupler (64) to slide over splines of output Spindle.
8. Slide Coupler into position in Housing Assembly (49).
9. For No-Float Models, insert Spacer (66) into the Coupler.
10. Slide Washer (69) on the Drive Spindle Assembly (68).
11. Use snap-ring Pliers to install the Retaining Ring on top of the
Washer.
12. Press on Rear Spindle Bearing (71) to Drive Spindle Assembly (68).
13. Place Disengaging Spring (67) over Drive Spindle Assembly.
14. Align the Drive Spindle Assembly with spline of Coupler and insert
Drive Spindle Assembly into Housing Assembly (49).
15. Apply one drop of Perma-Lok MM-115 to threads of Bearing Cap(72).
16. Carefully grasp the Housing Assembly.
NOTICE
In the following step, the Bearing Cap (72) has a left-handed thread.