16575177_ed1
3
7. Using an adjustable Pin Wrench, unscrew Bearing
Cap (73).
8. Pull the Drive Spindle Assembly (69) out of Housing
Assembly (61).
9. If necessary, using a bearing puller tool, press the Rear
Spindle Bearing (72) off the Drive Spindle Assembly (69).
Then remove the Retaining Ring (71), and Washer (70).
10. Now tilt Spindle Housing, causing the Disengaging Spring
(68), Coupler (67), Square Drive Spindle (64), and
Washers (62) and (63) to slide out.
Motor Housing Disassembly
Gear Case - Disassembly
1. Carefully engage spanner holes on the Gear Case
Couping Nut (40) with the appropriate tool and loosen the
Coupling Nut while gripping the wrench flats of the Gear
Case (41) with the appropriate wrench.
2. Unthread the Coupling Nut (40) from the Motor Housing
Assembly (1) and pull the Gear Case Assembly off the
Motor Housing Assembly.
3. Remove the Pinion Coupler Assembly (34) from the
Motor Housing Assembly.
4.
For Non-Flanged Models:
If the Coupling Nut requires
replacement, slide the Coupling Nut off the Gear Case
Assembly.
5.
For Flanged Models
:
a
If the Coupling Nut requires replacement, spread the
ends of the Retaining Ring (39) and remove it from the
Gear Case Assembly.
b
Slide Coupling Nut off the Gear Case Assembly.
6. Work a pointed tool under the Ring Gear Retainer (33)
and spiral it out of the Gear Case (41).
7. Tilt the Gear Case Assembly so that the Ring Gear (37)
and 1st Stage Spindle Assembly (36) slide out of the
Gear Case Assembly.
8. With the motor end of the Gear Case Assembly standing
on the table of an Arbor press, carefully press the 2nd
Stage Spindle Assembly (38) out of the Bearing (42)
while lightly supporting the Spindle Assembly from
beneath to avoid breakage.
9. Using internal snap ring pliers, remove the Retaining
Ring (43) from the threaded end of the Gear Case (41).
10. Remove Bearing (42) from the Gear Case.
WARNING
•
This procedure is to be done by an authorized,
trained repair person. To ensure proper functioning
of the tool:
When replacing the Motor Housing Assembly (1), always
ensure that the Memory Chip (7), Communication Board (8),
Gear Case Assembly, and Attachment are all assembled as
a set with the new Motor Housing Assembly.
Grips
1. For models with levers, use the appropriate hex key to
loosen Cap Screws (23) from lever (24 or 25) and remove
lever from Handle Grip (19 or 20).
2. Use the appropriate hex key to loosen the Cap
Screw (22) from Handle Grip (18, 19, 20 or 21).
3. Slide Handle Grip off of Motor House Assembly (1).
Disassembly of External Components
1. Dislodge O-rings (15) and remove Memory Chip (7) from
assembly.
2. Remove Trigger mechanism (5) from Motor Housing
Assembly.
3. Remove Spring (6) from Trigger mechanism.
4. Slide Reverse Ring (17) away from Motor Housing
Assembly, being careful not to lose the Detent Ball (3) or
Springs (4) and (16).
5. Remove Retaining Ring (14) from behind Label Cover
Lens (13).
6. In a sliding motion, pull Warning Label (12) and Label
Cover Lens (13) off end of Motor Housing Assembly.
7. Slide Housing Cover (11) off Motor Housing Assembly.
8. Remove O-ring (10) located at front of Housing Cover.
Communication Board
(Dwg. TP2162a)
(Dwg.TP2162b)
Torque and Motor Connector(s)
Torque Transducer
Motor Commutatio
n
LEDs and Temperature Connector(s)
M otor Temperatu
re
S
en
so
r
LED
Bo
ard
