Craftsman 9-19905 - 1/2dr 1/4npt 500ft/lb Sq Dr Impact Wrench Owner's Manual page 14

_WARNING:
Do not use compressed air to
check installationof the Tilt
Valve Seat Retainer or Inlet
BushingScreen unless the en-
tire Inlet BushingAssembly is
installedin the tool with the
Hammer Case installed and
properlysecured to the Motor
Housing. Failureto do so could
resultin injury.Install the Tilt
Valve Seat Retainer.
NOTICE: When re-installing
the Inlet BushingAssembly
(22), pullthe Trigger (33) out-
ward and make sure that the
Reverse Button (40) is de-
pressed before snapping the In-
let BushingAssembly back into
the Housing,
3. Install the Inlet Bushing Assem-
bly by pushingit into the hole in
the Housinguntil you see and
hear the tabs on Inlet Retainer
Clip snap intoplace through the
slots in Housing handle.
NOTICE: The Reverse Button
(left) (40) must be pushed in be-
fore the Trigger can be
installed. Otherwise, the Trigger
will be damaged during installa-
tion.
4. Install the Trigger by pushing it
into the handle until a click is
heard indicating that it is prop-
erly engaged.
Assembly of the Motor
NOTICE: When disassem-
bling, assembling or pulling the
Motor, we recommend replace-
ment of the Motor Gasket (7).
1. Install the Motor Gasket in the
Housing making sure that the
grooves in the tab of the Motor
Gasket fit around ridge in the
Housing. See Figure 17.
Installation
..i-....... -... ofmotor
7 ".
/" \, gasket
"_ ":i]i i -'_
//5
/..i!
:_:_ 't
l_:.!.:_" .i.._i i
_- !!_,..'%. I
",,_::_,_,_....:,:.= :-. - ..:- - •
Figure 17
2. Install the Rotor Bearing (3) into
the rear of the Cylinder (1).
3. Install the Rotor in the Cylinder
and secure with the Rear Rotor
Bearing Retainer (6).
4. Install Vanes (4) in the slots in
the Rotor (5).
5. Install the Rotor Bearing (3) into
the Front End Plate (2). Install
the Front End Plate on the Cyl-
inder by pressing on the inner
race of the front Rotor Bearing
until the Bearing is seated on
the Rotor Shaft,
6. Install the Power Management
Dial Seal (42) on the Power
Management Dial (41) and
install the Dial in the end of the
Cylinder.
Assembly of the Impact
Mechanism
;_-_r] Tophammer
notoh
Bottom hammer
haft-round notch on left
Figure 18
14