Ingersoll Rand 180PQ1 Manual De Operación Y Mantenimiento página 22

DISASSEMBLY
General Instructions
1. Do not disassemble the tool any further than neces-
sary 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 pro-
tect the surface of the part and help prevent distor-
tion. 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 neces-
sary for repairs or replacement.
4. Do not disassemble the tool unless you have a
complete set of new gaskets and O–rings for
replacements.
Disassembly of the Impulse Mechanism
1. For model 180PQ1 or 280PQ1, use a pointed probe
to to push the Spring Seat (75) against the Retaining
Sleeve Spring (74). While the Spring is compressed,
use another pointed probe or thin blade screwdriver
to remove the Retaining Ring (76). Lift the Spring
Seat, Spring and Bit Retaining Sleeve (73) off the
Drive Shaft (50) and remove the Bit Retaining Ball
(72).
For model 280P, use a hooked wire to pull the Re-
taining Pin Spring (52) out of the end of the Drive
Shaft (50) and remove the Socket Retaining Pin (51).
2. Remove the Rubber Housing Boot (77).
3. Using copper–covered vise jaws, carefully grasp the
flats of the Mechanism Cover (67) with the output
end of the Drive Shaft downward.
4. Using an adjustable wrench, unscrew the the Motor
Housing Assembly (1) from the Mechanism Cover.
This is a left–hand thread, rotate the Motor Housing
clockwise to remove it. (Refer to Dwg. TPD1264.)
5. Lift the assembled motor off the Mechanism Cover
and pull the mechanism assembly out of the Cover.
Remove the Bushing Spacer (69).
6. Grasp the flats of the Housing Assembly (36) in vise
MAINTENANCE SECTION
7.
8.
9.
22
jaws with the output end of the Drive Shaft down-
ward.
Insert the pins of the spanner plug from the No.
180PQ–99 Tool Kit into the two holes in the Housing
Cap (42). Using a wrench on the plug, unscrew and
remove the Housing Cap from the Housing Assem-
bly. (Refer to Dwg. TPD1267)
COUNTERCLOCKWISE TO LOOSEN
SPANNER PLUG
Stand the disassembly arbor from the Tool Kit, large
end downward, on a workbench or the table of an
arbor press. Insert the output end of the Drive Shaft
into the central opening and either tap the Housing
downward off the components or use the pressing
sleeve in the Kit to press the Housing downward off
the components. (Refer to Dwg. TPD1268)
PRESSING
SLEEVE
HOUSING
Disassemble the components of the mechanism in the
sequence shown in Drawing TPA1329 on Page 17.
(Dwg. TPD1267)
TAP EDGE LIGHTLY
WITH BRASS HAMMER
OR USE PRESSING
SLEEVE FROM TOOL
KIT
DISASSEMBLY ARBOR
FROM TOOL KIT
(Dwg. TPD1268)