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Ingersoll-Rand 2141 Maintenance Information page 4

Air impact wrench
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REVERSE
VALVE
(Dwg. TPD1329)
Assembly
General Instructions
1.
Whenever grasping a tool or part in a vise, always use leather-
covered vise jaws to protect the surface of the part and help prevent
distortion. This is particularly true of threaded members and
housings.
NOTICE
Always use leather-covered vise jaws when clamping the handle in a
vise. Leather will conform to the shape of the handle and allow the
tool to be held securely. To prevent damage to the exhaust diffuser,
never clamp only the bottom of the handle.
2.
Always clean every part and wipe every part with a thin film of oil
before installation.
NOTICE
Do not remove grease from the impact mechanism or Hammer Case
(16). If the impact mechanism has not been disassembled, inject
Ingersoll-Rand No. 115-1LB Grease through the Hammer Case
Grease Fitting (18).
When disassembling and assembling the impact mechanism,
remove all grease from the impact mechanism and Hammer Case
and lubricate the impact mechanism and Hammer Case Bushing (17)
with
Ingersoll-Rand No. 105-1LB Grease or Ingersoll-Rand No. 105-8LB
Grease.
3.
Apply a film of O-ring lubricant to all O-rings before final assembly.
Assembly of the Reverse Valve Mechanism
1.
Install the Bottom Reverse Valve O-ring (38) (color-coded blue) and
the Top Reverse Valve O-ring (37) on the Reverse Valve (36).
2.
Insert the Reverse Valve in the bottom of the handle making sure that
two ears on the Reverse Valve are facing downward. See Dwg.
TPD1330.
4
NOTICE
Do not try to remove the Reverse Valve by pushing upward. It can
only be removed by pushing it downward and out of the bottom of
the handle. If the Reverse Valve does not come free, tap the bottom
of the handle lightly with a rubber hammer until it drops out.
3.
Remove the Top Reverse Valve O-ring (37) and the Bottom Reverse
Valve
O-ring (38) from the Reverse Valve.
(Dwg. TPD1330)
Use a wooden dowel to push the Reverse Valve up through the handle
until the top of the Reverse Valve is flush with or slightly above the
bottom of the motor bore in the Housing (20). See Dwg. TPD1331.
(Dwg. TPD1331)
NOTICE
If the Reverse Valve is pushed up too far and becomes wedged, it
will have to be pushed back down through the handle and re-
inserted from the bottom of the handle. The Reverse Valve cannot be
removed by pushing it up through the handle and into the motor
bore. If the Reverse Valve must be removed and re-installed, make
sure that the Top and Bottom Reverse Valve O-rings have not been
rolled off and are in their proper positions on the Reverse Valve.
EARS
DOWEL
Form 04583993-Edition 1

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