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

Disassembly of the Reverse
Valve Mechanism
NOTICE: The Reverse Valve
Assembly cannot be removed
without first removing the For-
Reverse
ward and Reverse Buttons (39) valve
and (40). Therefore, it is impor-
tant that the procedure below
be followed exactly.
1. Notice the notches on either
side of the partition. These
notches indicate the correct
location for insertion of a thin-
bladed screwdriver used for re-
moving the Forward and Re-
verse Buttons. Insert the
screwdriver between the parti-
tion and the Button which is fully
extended. Gently pry against 3.
the Button to disengage the
detent so that the Button can be
removed. After the Button is re-
moved, reach inside the Hous-
ing and rotate the Reverse
Valve to extend the remaining
Button. Repeat the above pro-
cedure for the remaining But-
ton. See Figure 9.
Removal of
_ _°uttrWoard/reve rse
Figure 9
2. Insert thumb into the front of the
Housing and push down on the
Reverse Valve so that it can be
removed through the bottom of
the handle. See Figure 10.
Figure 10
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.
Remove the Top Reverse Valve
O-ring (36) and the Bottom Re-
verse Valve O-ring (37) from the
Reverse Valve.
ASSEMBLY
General Instructions
1. Whenever grasping a tool or
part in a vise, always use leath-
er-covered vise jaws to protect
the surface of the part and help
prevent distortion.This is partic-
ularlytrue of threaded members
and housings.
NOTICE: Always use leather-
covered vise jaws when clamp-
ingthe handle in a vise, Leather
will conform to the shape of the
handle and allow the tool to be
held securely. To prevent dam-
age to the exhaust diffuser, nev-
er clamp only the bottom of the
handle.
2. Always clean every part and
wipe every part with a thin film
of oil before installation.
11