Assembly of the Motor
1. Carefully insert the gear end of the Armature (31)
into the notched side of the Field (32).
Be careful not to damage the commutator or
windings.
2. Install the Front End Plate (33) onto the Field.
3. Place the Motor Plate (27) onto the Rear End Plate
(23).
Be sure to install the Motor Plate correctly. The
edge of the Motor Plate must be parallel to the
step in the Rear End Plate.
4. Push the Rear End Plate into the notches of the Field.
5. Snap the Motor Assembly Springs (34A and 34B)
into the notches of the End Plates.
6. Insert the Brush Assembly (24) into the Rear End
Plate. Be careful not to twist or damage the copper
wire.
Make sure the Brush Assembly is positioned cor-
rectly. The connection point of the copper wire on
the Brush Assembly should be closer to the rear
end than the front end of the Motor Assembly.
7. Insert the Brush Spring (25) into the Rear End Plate.
Using a small screwdriver to tension the Spring, in-
sert the end of the Brush Spring into the notch on the
End Plate.
8. Solder the blue and red Motor lead wires if the Brush
Springs were replaced. Refer to Dwg. TPD1814.
9. Apply grease to both ends of the Push Rod (35) and
insert it into the center hole of the Motor Assembly.
Assembly of the Gear Case and Clutch Housing
1. Place the three Spindle Planet Gears (41) onto the
Spindle Assembly (40).
2. Place the three Gear Head Planet Gears (39) onto the
Gear Head Assembly (38).
3. Grease the gears.
MAINTENANCE SECTION
(Dwg. TPD1814)
4. Place the Gear Head Assembly onto the Spindle
Assembly.
5. Grease both sides of the Thrust Washer (42) and
place it on the Spindle bearing.
6. Insert the Cam (43) into the Spindle Assembly.
7. While rotating the Gear Case (37) and holding the
Cam, insert all parts into the Gear Case.
8. Grease the Gear Case side of the Motor Clamp
Spacer (36) and insert the Motor Clamp Spacer into
the Gear Case.
9. For Model EL1007BC–ESD, grease the notches on
the Cam and place the two Cam Pins (44) into the
notches.
10. Grease the inside of the Bit Holder Assembly (48).
11. Insert the Cam Guide Sleeve (47) into the Bit Holder.
12. Grease the ball bearings under the spring support on
the Bit Holder Assembly.
13. Grease the holes on the Bit Holder and insert the two
Cam Guide Balls (49).
14. For Model EL1007BC–ESD, grease the inside of
the Cam Collar (45) and place it onto the Bit Holder.
15. Fit the two notches at the rear of the Gear Case
Assembly into the Gear Case Fixture
Part No. EL0410B–J37.
16. Place the Bit Holder Assembly into the Gear Case.
17. Place the Clutch Spring (51) and the Clutch Spring
Plate (52) over the Bit Holder.
18. Place the Clutch Housing (53) partially into the Gear
Case.
This is a left–hand thread.
At the middle of the Clutch Housing threads apply a
thread locking compound to three of the threads.
Screw the Clutch Housing all the way into the Gear
Case.
19. Using an open end torque wrench, tighten the Clutch
Housing to 20 Nm torque.
20. Install the Bit Retainer Retaining Ring (55) into the
groove of the Bit Holder. Place the side with the
sharp edge first.
21. Apply grease to the holes of the Bit Holder and insert
the two Bit Retaining Balls (50) into the Bit Holder.
22. Apply grease to one end of each Clutch Adjusting Pin
(54) and insert them into the Clutch Housing.
23. Grease the inside lip of the Clutch Adjusting Ring
and thread it onto the Clutch Housing.
24. Install the Bit Retainer Sleeve Spring (59). Grease
the inside of the Bit Retainer Sleeve (58) and place it
onto the Bit Holder.
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