Ingersoll Rand EL0410BC–SS–ESD Manual De Operación Y Mantenimiento página 14

15. Remove the Spindle Planet Gears (41) from the
Spindle Assembly.
16. For Model EL1007BC–ESD, remove the Cam Col-
lar (45), the Cam (43), two Cam Pins (44) and the
Thrust Washer (42).
Cleaning and Inspection of the Tool
1. Clean all mechanical parts you have disassembled in
an approved safety solvent in a well–ventilated area.
Inspect for damage or wear.
2. For all Models, inspect the Bit Holder Assembly. If
the bearing does not rotate smoothly, replace the Bit
Holder Assembly.
3. Inspect the Cam. If it is worn, replace it.
4. For Model EL1007BC–ESD, inspect the Cam Pins
(44). If they are worn, replace them.
5. Inspect all the Gear Head Planet Gears. If the teeth
are worn or damaged, replace them.
6. Inspect the Gear Case. If the inner gear teeth are
worn or damaged, replace them.
7. Inspect the Spindle Assembly. If the bearing does not
rotate smoothly, replace the Spindle Assembly.
Disassembly and Inspection of the Motor
1. Remove the Motor Assembly, the Plunger (13) and
the Plunger Spring (14) from the Housing.
2. Using a thin slotted screwdriver, release the tension
on the Brush Spring (25) and remove the two Brush
Assemblies (24) from the Rear End Plate (23).
3. Carefully pull the copper wires to remove the Brush
Assemblies from the Rear End Plate.
Be careful not to damage the wires.
If the Brush Assemblies need to be replaced, desolder
the blue and red Motor wires and remove the Brush
Screws (26).
4. Using a thin blade screwdriver, remove the Motor
Assembly Springs (34A and 34B) by inserting the
screwdriver between the Springs and the Rear End
Plate and prying upward.
5. Remove the Front End Plate (33) from the Field (32).
6. Remove the Rear End Plate and the Motor Plate (27)
by inserting a slotted screwdriver into the space be-
tween the Rear End Plate and the Field and prying
upward.
7. While pushing the Rear Armature Bearing (28), pull
the Armature (31) from the Field.
MAINTENANCE SECTION
10. Inspect the Rear Armature Bearing. If it does not
11. Inspect the gear teeth on the Armature. If they are
12. Inspect the front Armature Bearing. If it does not
13. Inspect the commutator. If it is worn, replace the
14. Clean the Armature, Field, Motor Plate and the End
Disassembly and Inspection of the Electronics
1. To remove the Trigger Switch (8), Reverse Switch (9)
2.
Assembly of the Electronics
1.
2.
3.
14
Do not damage the commutator or windings on
the Armature. Hold the Armature body, not the
commutator, when removing.
8. Remove the Push Rod (35) from the Armature.
9. Inspect the Push Rod. If it is worn, replace it.
rotate smoothly, replace it.
worn or damaged, replace the Armature.
rotate smoothly, replace the Armature.
Armature.
Plates using a piece of fine cloth. For excess contam-
ination, spray with contact cleaner and brush if neces-
sary.
or Brake Switch (15), remove any screws and pull the
Switch from the Housing. Desolder and remove the
lead wires.
To remove the Insulator (71), desolder the lead wires.
ASSEMBLY
Before soldering any wire, slip a piece of heat
shrinkable tubing over the wire.
To assemble the Electronic Components, resolder all
wires to the Insulator (71). Also resolder all wires to
the Brake Switch (15) and the Trigger Switch (8).
Reattach the Brake Switch to the Switch Plate (10)
and screw the Plate into the Housing (1).
Insert all electronic components into their proper
locations. Refer to Dwg. TPD1817–3 on page 16.
Be sure the notch in the Insulator fits with the tab
in the Housing.