Technical Specifications

reverse the direction of the chamfer when you
replace the Rubber Seat.
3. Replace the Rubber Seat, Support Ring and
Cylinder Sleeve. Be sure to re install the steel
Cylinder Sleeve with the chamfered inside
edge facing the BOTTOM of the Stapler
Plunger Seal Set (#21):
1. Remove the Teon
®
Seal and its O-Ring
expander from the groove using a bent paper
clip or pick. Be sure not to scratch the inside
walls of the seal groove with the wire hook.
2. Clean out the seal groove. Place a new O-
Ring into the seal groove by stretching it over
the Plunger body. Make sure the O-Ring is
not twisted in the groove. Place a new Teon°
Seal Ring into the seal groove over the O-Ring.
3. Carefully push the Teon
®
Seal Ring over
the edge of the Plunger with your thumbs and
into the groove. Do this as quickly as possible
to reduce stretching of the Teon
®
Seal Ring.
DO NOT OVER STRETCH THE TEFLON
®
SEAL RING! Be sure the Teon
®
Seal Ring
is centered all around the seal groove and not
twisted.
4. Wipe off the Seal surface with a clean rag
and lubricate it generously with the supplied
Mobile DTE Light Air Tool Oil lubricant.
Piston U-Cup Lip Seal (#22):
1. Remove the old Piston U-Cup Lip Seal from
the Piston using a bent paper clip or pick, being
careful not to scratch the inside walls of the
seal groove or the edge of the Piston with the
wire hook.
2. Clean out the seal groove. Place a new
U-Cup Lip Seal into the groove. Make sure
the lips are not twisted in the groove and the
lips face the top of the Nailer See the sketch
(PAGE 10).
3. Carefully wipe off the U-Cup Lip Seal
surface with a clean rag and lubricate it
generously with the supplied Mobile DTE Light
Air Tool Oil lubricant.
Return Cylinder U-Cup Lip Seal (#23):
1. Use a bent paper clip or pick to remove
the old U-Cup Lip Seal from the internal seal
groove inside the Return Cylinder. Be careful
not to scratch the inside walls of the seal
groove with the wire hook.
2. Clean out the seal groove. Place a new
U-Cup Lip Seal into the groove, be sure it is
not twisted in the groove. Be sure the lips are
facing the inside of the Return Cylinder as
shown in the sketch (PAGE 10).
WARNING
The U-Cup Lip Seals #23
and #24 look alike, but they are different, DO
NOT mix them up.
3. Carefully wipe off the Lip Seal surface with
a clean rag and lubricate it generously with
the supplied Mobile DTE Light Air Tool Oil
lubricant.
Piston Rod U-Cup Lip Seal (#24):
1. Remove the old U-Cup Lip Seal from the
seal groove with a bent paper clip or pick
using care not to scratch the inside walls of
the seal groove with the wire hook.
2. Clean out the seal groove and install a new
U-Cup Lip Seal. Be sure the Lips are facing
the right direction and are not twisted in the
groove. See the sketch (PAGE 10).
WARNING
The Lip Seals #23 and
#24 look alike, but they are different, DO NOT
mix them up.
3. Carefully wipe off the seal surface with a
clean rag and lubricate it generously with the
supplied Mobile DTE Light Air Tool Oil lubricant.
Plunger Wiper Seal (#25):
1. Use a bent paper clip to pick out the felt
Wiper Seal out of its groove in the Body Cap
(#2).
2. Clean out the groove and insert a new felt
OPERATION (continued)
6