SX278C 1 Rev. 05/02/02
Punch Hole Size . . . . . . . . . . .8MM
Capacity . . . . . . . . . . . .14 Gauge
Air Inlet . . . . . . . . . . . . . .1/4 NPT
Hose Size . . . . . . . . . . . .3/8" I.D.
Air Pressure . . . . . . . . . . . . .90 PSI
Air Consumption . . . . . . . . .4 CFM
Length . . . . . . . . . . . . . . . . . . .10"
Net Weight . . . . . . . . . .3-1/2 Lbs.
SPECIFICATIONS
Operating Instructions • Warning Information • Parts Breakdown
SX278C
8 MM PUNCH/
F
LANGE TOOL
ALWAYS READ
INSTRUCTIONS
BEFORE USING
POWER TOOLS
ALWAYS WEAR
SAFETY GOGGLES
WEAR HEARING
PROTECTION
AVOID
PROLONGED
EXPOSURE TO
VIBRATION
Some dust created by power sanding, sawing, grinding, drilling,
and other construction activities contains chemicals known to
cause cancer, birth defects or other reproductive harm. Some
examples of these chemicals are:
• lead from lead-based paints,
• crystalline silica from bricks and cement
and other masonry products, and
• arsenic and chromium from
chemically-treated lumber.
Your risk from these exposures varies, depending on how often
you do this type of work. To reduce your exposure to these
chemicals: work in a well ventilated area, and work with
approved safety equipment, such as those dust masks that are
specially designed to filter out microscopic particles.
SX278C 2 Rev. 05/02/02
This Instruction Manual Contains Important
Safety Information.
Read THIS INSTRUCTION MANUAL Carefully and understand ALL INFORMATION
Before Operating This Tool.
• Always operate, inspect and maintain this
tool in accordance with American
National Standards Institute Safety Code
of Portable Air Tools (ANSI B186.1)
and any other applicable safety codes
and regulations.
• For safety, top performance and maximum
durability of parts, operate this tool at 90
psig 6.2 bar max air pressure with 3/8"
diameter air supply hose.
• Always wear impact-resistant eye and
face protection when operating or
performing maintenance on this tool.
Always wear hearing protection when
using this tool.
• High sound levels can cause permanent
hearing loss. Use hearing protection as
recommended by your employer or
OSHA regulation.
• Keep the tool in efficient operating condition.
• Operators and maintenance personnel
must be physically able to handle the
bulk, weight and power of this tool.
• Air under pressure can cause
severe injury. Never direct air at yourself
or others. Always turn off the air supply,
drain hose of air pressure and detach
tool from air supply before installing,
removing or adjusting any accessory
on this tool, or before performing
maintenance on this tool. Failure to do
so could result in injury. Whip hoses can
cause serious injury. Always check for
damaged, frayed or loose hoses and
fittings, and replace immediately. Do not
use quick detach couplings at tool. See
instructions for correct set-up.
• Air powered tools can vibrate in use.
Vibration, repetitive motions or
uncomfortable positions over extended
periods of time may be harmful to your
hands and arms. Discontinue use of tool
if discomfort, tingling feeling or pain
occurs. Seek medical advice before
resuming use.
• Place the tool on the work before starting
the tool.
• Slipping, tripping and/or falling while
operating air tools can be a major
cause of serious injury or death. Be
aware of excess hose left on the walking
or work surface.
• Keep body working stance balanced and
firm. Do not overreach when operating
the tool.
• Anticipate and be alert for sudden
changes in motion during start up and
operation of any power tool.
• Do not carry tool by the hose. Protect the
hose from sharp objects and heat.
• Keep away from rotating end of tool.
Do not wear jewelry or loose clothing.
Secure long hair. Scalping can occur if
hair is not kept away from tool and
accessories. Choking can occur if
neckwear is not kept away from tool
and accessories.
• Do not lubricate tools with flammable or
volatile liquids such as kerosene, diesel or
jet fuel.
• Don't force tool beyond its rated capacity.
• Do not remove any labels. Replace
damaged labels.
FAILURE TO OBSERVE THESE WARNINGS COULD RESULT IN INJURY.
SX278C 3 Rev. 05/02/02
Ref. # Item # Description Qty.
1 83701A Piston 1
2 83702 Packing 1
3 83703 Back-Up Ring 1
4 83704 O-Ring 1
5 83705 Cylinder 1
6 83706 O-Ring 1
7 83707 Oil Plug 1
8 83708 Back-Up Ring 1
9 83709 O-Ring 1
10 83710 Air Inlet 1
11 83711 Spring 1
12 83712 O-Ring 3
13 83713 Back-Up Ring 1
14 83714 O-Ring 2
15 83715 O-Ring 2
16 83716 Piston 1
17 83717 Spring 1
18 83718 Cylinder 1
19 83719 Piston Rod 1
20 83720 Washer 2
21 83721 O-Ring 1
22 83722 Piston 1
23 83723 Lock Nut 1
Ref. # Item # Description Qty.
24 83724 Air Valve Body 1
25 83725 O-Ring 1
26 83726 Spring 1
27 83727 Air Valve 1
28 83728 Plug 1
29 83729 Spring 1
30 83730 Valve Cover 1
31 83731 O-Ring 1
32 83732 Trigger 1
33 83733 Pin 1
34 83734A Punch 1
35 278CSS Cup Spring Set 1
36 83736A Cover 1
37 83737A Guide Sleeve 1
38 83738A Punching Die 1
39 83739A Anvil Bed 1
40 83740A Punching Die Bed 1
41 83741 Packing 1
42 83742 Screw 1
43 83743 Screw 1
44 83744A Washer 1
45 83745 Red Plastic Wrap 1
SX278C
8MM Punch/Flange Tool
SX278C 4 Rev. 05/02/02
Nipple
Air Supply...
Tools of this class operate on a wide range of air pressures.
It is recommended that air pressure of these tools measure 90
PSI at the tool while running free. Higher pressure and unclean
air will shorten the tool’s life because of faster wear and may
create a hazardous condition.
Water in the air line will cause damage to the tool. Drain
the air tank daily. Clean the air inlet filter screen on at least
a weekly schedule. The recommended hook-up procedure
can be viewed above.
The air inlet used for connecting air supply, has standard 1/4"
NPT American Thread.
Line pressure should be increased to compensate for unusually
long air hoses (over 25 feet). Minimum hose diameter should
be 1/4" I.D. and fittings should have the same inside dimensions.
Limited Warranty...
SUNEX INTERNATIONAL, INC. WARRANTS TO ITS CUSTOMERS THAT THE COMPANY’S SUNEX TOOLS®BRANDED
PRODUCTS ARE FREE FROM DEFECTS IN WORKMANSHIP AND MATERIALS.
Sunex International, Inc. will repair or replace its Sunex Tools
®
branded products which fail to give satisfactory service due to defective workmanship
or materials, based upon the terms and conditions of the following described warranty plans attributed to that specific product. This product carries
a ONE-YEAR warranty. During this warranty period, Sunex Tools will repair or replace at our option any part or unit which proves to be defective
in material or workmanship.
Other important warranty information...
This warranty does not cover damage to equipment or tools arising from alteration, abuse, misuse, damage and does not cover any repairs or
replacement made by anyone other than Sunex Tools or its authorized warranty service centers.The foregoing obligation is Sunex Tools’ sole liability
under this or any implied warranty and under no circumstances shall we be liable for any incidental or consequential damages.
Note: Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not
apply to you. Return equipment or parts to Sunex Tools, or an authorized warranty service center, transportation prepaid. Be
certain to include your name and address, evidence of the purchase date, and description of the suspected defect.
If you have any questions about warranty service, please write to Sunex Tools. This warranty gives you specific legal rights and you may also have
other rights which vary from state to state. Repair kits and replacement parts are available for many of Sunex Tools products regardless of whether
or not the product is still covered by a warranty plan.
Shipping Address: Sunex Tools • 315 Hawkins Rd. • Travelers Rest, SC 29690
Mailing Address: Sunex Tools • P.O. Box 4215 • Greenville, SC 29608
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