11. Use the supplied box wrenches to remove the
5/8-18 Jam Nut (#51). Remove the Dowel Pin (#38)
and Driving Blade (#14).
12. Unscrew the Piston from the Piston Rod using
the supplied box wrenches and separate the Piston,
Piston Rod and Return Cylinder.
TO REPLACE THE SEALS:
Rubber Seat (#19):
1. Remove the Cylinder Sleeve (#13). The Cylinder
Sleeve should slide out of the Nailer Body when you
pull out the Driving Blade Assembly.
2. Remove the metal Support Ring (#17) and
Rubber Seat from inside the Nailer body. Note
that the chamfer on the inside of the Rubber Seat
faces the BOTTOM of the Nailer, do not 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 Nailer
Plunger Seal Set (#21):
1. Remove the Teflon
®
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 Teflon° Seal Ring into the seal
groove over the O-Ring.
3. Carefully push the Teflon
®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 Teflon
®Seal Ring. DO NOT OVER
STRETCH THE TEFLON® SEAL RING! Be sure
the Teflon
® 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 Pneumatic 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 is not twisted
in the groove and the lips face the top of the Nailer See
the sketch below.
3. Carefully wipe off the U-Cup Lip Seal surface with a
clean rag and lubricate it generously with Pneumatic
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 schematic (page 10-11,
13).
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 Pneumatic 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 below.
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 Pneumatic Light Air Tool
Oil lubricant.
Plunger Wiper Metal Cap O-Ring (#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 the new O-Ring
(25) in to the groove in the metal body cap (2).
6
OPERATING INSTRUCTIONS,
continued