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2. AIR SUPPLY AND CONNEC-
TIONS (Fig.4)
A. TOOL AIR FITTINGS/COUPLINGS:
CN890F2 and CN890F(CE) use a 3/8" N.P.T. male plug. The in-
side diameter should be .39" / 9.9mm or larger. Others use a
1/4" N.P.T. male plug. The inside diameter should be .28" / 7mm
or larger. Install a male plug on the tool which is free flowing and
which will release air pressure from the tool when disconnected
from the supply source.
B. OPERATING PRESSURE:
70 to 100 p.s.i. / 5 to 7 bar. Select the operating air pressure with-
in this range for best performance based upon the fastener appli-
cation and work surface. Using the lowest acceptable to minimize
noise, vibration and wear.
DO NOT EXCEED 120 p.s.i. / 8 bar.
C. HOSES 1:
Hose has a min. diameter of 1/4" / 6 mm and max. length of no
more than 17' / 5 m.
The supply hose should contain a fitting that will provide "quick
disconnecting" from the male plug on the tool.
D.SUPPLY SOURCE:
Use only clean regulated compressed air with pressure regulated
not to exceed maximum air pressure marked on the tool.
If regulator fails, maximum air pressure delivered to tool shall
not exceed 200 p.s.i / 13.8 bar or 1.5 times maximum air pres-
sure, whichever is greater.
E. 3-PIECE AIRSET 2
(Air filter3, Regulator4, Oiler5):
To optimize performance use a 3-piece air set 2. A filter 3 will
help to get the best performance and minimum wear from the tool
because dirt and water in the air supply are major causes of wear
in the tool.
Frequent, but not excessive, lubrication (one drop in every 100-
200 nails) is required for the best performance. Oil added thru the
air line connection will lubricate the internal parts.
3. INSTRUCTIONS FOR OPERA-
TION
1.
BEFORE OPERATION
Check the following prior operation.
1
Wear Safety Glasses or Goggles.
2
Do not connect the air supply.
3
Inspect screw tightness.
4
Check operation of the contact arm & trigger if moving
smoothly.
5
Connect the air supply.
6
Check the air leakage. (The Tool must not have the air
leakage.)
7
Hold the Tool with finger-off the trigger, then push the con-
tact arm against the work-piece. (The tool must not oper-
ate.)
8
Hold the Tool with contact arm free from work-piece and pull
the trigger. (The Tool must not operate.)
9
Disconnect the air supply.
2.
OPERATION
NAIL LOADING
1
(Fig.5,6) Open the magazine:
Pull down door latch1 and swing door 2 open. Swing
magazine cap 3 open.
2
Check adjustment:
(Fig.7) CN445R3, CN445R2(CE), CN550S(CE), CN665D
The nail support 1 can be moved up and down to four set-
tings. To change setting pull up on the post and twist to the
correct step. The nail support should be adjusted correctly
to the position indicated in inches and millimeters inside
magazine 2.
(Fig.8) CN565S3, CN565S2(CE), CN890F2, CN890F(CE)
The nail support 1 can be moved up and down to four set-
tings. The nail support moves down by turning it counter-
clockwise and moves up by turning it clockwise. The nail
support should be adjusted correctly to the position indicat-
ed in inches and millimeters.
3
(Fig.9) Nail loading:
Place a coil of nails 1 over the post in the magazine. Uncoil
enough nails to reach the feed pawl 2, and place the sec-
ond nail between the teeth on the feed pawl. The nail heads
fit in slot on nose.
4
Swing magazine cap closed.
5
Close the door.
Check that latch engages. (If it does not engage, check that
the nail heads are in the slot on the nose).
TEST OPERATION
1
Adjust the air pressure at 70 p.s.i. / 5bar and connect the air
supply.
2
Without touching the Trigger, depress the Contact Arm
against the work-piece.
Pull the Trigger. (The tool should fire the fastener.)
3
With the tool off the work-piece, pull the Trigger.
Then depress the Contact Arm against the work-piece. (The
tool should fire the fastener.)
4
Adjust the air pressure as much as the lowest possible
according to the diameters and length of fastener and the
hardness of work-piece.
DRIVING FASTENERS
CN445R3, CN445R2(CE) and CN665D are shipped with CON-
TACT ACTUATION selected. Others are shipped with ANTI-
DOUBLE FIRE MECHANISM selected. It is the responsibility of
employer, tool owner or tool operator to select the appropriate ac-
tuation system for the fastener application and training of tool op-
erator before changing the trigger setting.
SWITCHING CONTACT ACTUATION OR CONTACT ACTUA-
TION WITH ANTI-DOUBLE FIRE MECHANISM TO SEQUEN-
TIAL ACTUATION (Option)
To change the trigger system, please contact MAX CO., LTD. au-
thorized distributors and have them change the system.
SWITCHING SEQUENTIAL ACTUATION (Option) TO CON-
TACT ACTUATION OR CONTACT ACTUATION WITH ANTI-
DOUBLE FIRE MECHANISM
To change the trigger system, please contact MAX CO., LTD. au-
thorized distributors and have them change the system.
CONTACT ACTUATION OPERATION
For contact actuation operation, hold the Trigger and depress the
Contact Arm against the work surface.
ANTI-DOUBLE FIRE MECHANISM AND SEQUENTIAL ACTUA-
TION (OPTION) OPERATION
For above operation, activate the Contact Arm against work sur-
face and pull trigger. A fastener will be driven.
3
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