Sunex SX4355, SX4345, SX4345-2 Product Safety Information
3/4" DRIVE IMPACT WRENCH
LLAVE DE IMPACTO ENCAJE 3/4"
CLÉ À CHOC À CARRÉ D’ENTRAINEMENT 3/4 PO
Quiet has a new name
SX4355
Read this manual before
operating tool.
Always wear eye protection
when operating or performing
maintenance on this tool.
Always wear hearing
protection when operating
this tool.
Lea este manual antes de operar esta
herramienta.
Siempre lleve puesto protección de
ojos al momento de operar o realizar
mantenimiento a esta herramienta.
Siempre lleve puesto protección del oído
al momento de operar esta herramienta.
Sauvegarder ces instructions.
Veuillez lire le présent manuel avant
d’utiliser l’outil.
Toujours porter le dispositif de
protection antibruit lorsque vous
utilisez cet équipement.
WARNING
ADVERTENCIA
AVERTISSEMENT
Product Safety Information
Información de seguridad del producto
Informations de sécurité liées au produit
Save these instructions
Guarde estas instrucciones
Sauvegarder ces instructions
To reduce the risk of injury, anyone using, repairing, maintaining, or
changing accessories on this tool must read and understand these
instructions before performing any of these tasks.
WARNING
Always inspect, operate, 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.
These tools are rated at 90 psi / 6.2 bar max air
pressure for safety, top performance, and maximum
durability of parts; do not exceed this pressure while
the tool is running.
Always shut off air supply, drain hose of air pressure
and disconnect tool from air supply when not in use,
before changing accessories, or when making repairs.
Never direct air at yourself or anyone else.
Always wear impact-resistant eye and face protection
when operating or performing maintenance on this tool.
High sound levels can cause permanent hearing loss.
Always use hearing protection when using this tool as
recommended by your employer or OSHA regulation.
Do not wear jewelry or loose fitting clothes.
Do not use quick disconnect couplings at tool. See
operating instructions for proper set up.
Whipping hoses can cause serious injury. Always
carefully check for damaged or loose hoses and fittings
before operating this tool.
Avoid direct contact with accessories during and after
use. Gloves should be worn to reduce the risk of cuts
or burns.
Use only sockets and accessories rated for use with
Impact Wrenches which are in good condition. Sockets
in poor condition or hand sockets and accessories can
shatter and cause injury.
Never run the tool off of the work. The tool may run
too fast and cause the accessory to be thrown off of
the tool.
Serious injury can result from over-torqued or
under-torqued fasteners. Assemblies requiring a
specific torque must be checked using a torque meter.
"Click" torque wrenches do not check for potentially
dangerous over-torque conditions.
Slipping, tripping, and/or falling while operating air tools
can be a major cause of serious injury or death. Be
aware of your surroundings and any excess hose left on
the walking or working surface.
Pneumatic tools can cause vibration 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. Consult a physician before
resuming use if any of these symptoms occur.
Do not stretch or overreach while using this tool.
If tool appears to malfunction, remove from service
immediately and arrange for repair.
Never use tool if there is any chance of coming into
contact with line electricity.
Use only Sunex certified spare parts for any repair made
to tool. Repairs should only be performed by properly
trained persons.
Do not lock, tape or wire the tool valve in the "on/off"
position.
Do not allow the exhaust air to come in contact with hot
surfaces or flames.
Avoid inhaling dust or handling debris from the work
process, which can be harmful to your health. Use dust
extraction and wear respiratory protective equipment
when working with materials which produce airborne
particles.
Some dust created by power sanding, sawing, grinding,
drilling and other construction activities contains
chemicals known to the State of California to cause
cancer and birth defects or other reproductive harm.
Some examples of these chemicals are:
- Lead from lead based paints
- Crystalline silica bricks and cement and other
masonry products
- 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.
Additional Safety Warnings
Do not modify this tool or its accessories.
This tool is not recommended for use in explosive
atmospheres or underwater use.
Operators and maintenance personnel must be
physically able to handle the bulk, weight, and power
of this tool.
This tool is for professional use only.
SAFETY INSTRUCTIONS - DO NOT DISCARD - GIVE TO USER
SX4355: Parts Breakdown & Operating Manual 2 rev. 10/19/11
Instruction Manual
This product is designed to tighten or loosen threaded
fasteners. No other use is permitted.
Air Supply Requirements
Tool is designed to operate at 90 psi (6.2 bar) at free speed
measured at the tool, of clean, dry air. Operating this tool at
higher pressures will drastically reduce the tool life and could
cause injury.
The air inlet thread on this tool is a standard 3/8" NPT.
Line pressure should be increased for any unusually long
air hose run (over 25 feet). Minimum hose diameter should
be 1/4" I.D. and all fittings should have the same inside
diameter. See diagram below for proper air supply setup.
Lubrication
Lubricate the tool each day after use with quality SAE #10
air motor oil. Add the oil to the air inlet or into the hose at the
nearest connection to the air supply, then run the tool until
all excess oil is expelled from the exhaust. Total oil quantity
needed for this procedure is approximately 1 ounce.
Operation
This tool is an impacting tool and not a torque meter.
When specific torque is required, it must be checked with
a torque meter after fitting the fastener with the Impact.
If a nut does not move within five seconds, use a larger size
Impact. Do not use Impact Wrench beyond rated capacity, as
this can drastically reduce the tool life.
EC DECLARATION OF CONFORMITY
We, Sunex International Inc., 315 Hawkins Rd, Travelers Rest,
SC 29690, declare under our sole responsibility that the
product to which this declaration relates, is in conformity with
the requirements of the Council Directive of June 1998 on the
approximation of the laws of the Member States relating to
machinery. (EN792, 98/37/EC)
Harmonized Standards Applied:
EN 792-6
National Standards Applied:
ISO 8662-7, ISO 15744-2002
Machine Name:
SX4355 Impact Wrench
Serial No.:
MS010380000 or higher
Techical Data:
3/4" Sq. Dr. Std.
Air Pressure: 90 psi (6.2 bar)
Noise and Vibration Declaration
Tool produces a noise level (no load) of 84 dBA
sound pressure with 3 dBA uncertainty per
EN ISO15744-2002. Vibration level is 10.2 m/s2
tested per EN 28662-1 & EN28662-7:1997
Signature of Issuer:
Name and Position of Issuer: John Stratton, Product Manager
Sunex International Inc.
Date of Issue: October 15, 2010
Drain Daily
Regulator Oiler Quick Coupler Leader
Hose
Nipple
Do Not Install
Quick Coupling
Here
Nipple
Filter
Air Supply
Whip Hose
Specifications
Square Drive Size .......................................................... 3/4"
Max. Torque .................................... 1,400 Ft. Lbs. (1898 Nm)
Working Torque ................200-1,100 Ft. Lbs. (271-1491 Nm)
Free Speed .......................................................... 5,500 RPM
Length .............................................................8.5" (216mm)
Weight ..................................................... 7.55 Lbs. (3.42 kg)
Avg. Air. Cons. ..........................................9.6 cfm (272 l/min)
Air Inlet ................................................................... 3/8" NPT
Min. Hose Size ............................................ 1/2" I.D. (13mm)
SX4355: Parts Breakdown & Operating Manual 3 rev. 10/19/11
REF. PART
NO. NO. DESCRIPTION QTY.
1 RS435501 Motor Housing 1
2 RS433502 Spring Pin (2 x 20) 1
3 RS435503 Air Inlet 1
4 RS435504 Trigger 1
5 RS433505 O-Ring (4 x 1) 1
6 RS435506 Reverse Valve 1
7 RS433507 Exhaust Diffuser 1
9 RS24009 O-Ring (15.5 x 1.5) 2
10 RS435510 Reverse Stem 1
11 RS435511 Button 2
12 RS433512 Screw (M3 x 8) 2
13 RS227B25 Ball Bearing (6001) 1
14 RS435514 Fixed Ring 1
15 RS435515 Rotor 1
16 RS435516 Rotor Blade (pack of 6) 1
17 RS433517 Spring Pin (2.5 x 5) 1
18 RS435518 Cylinder 1
19 RS435519 Front End Plate 1
20 RS900046 Ball Bearing (6003Z) 1
21 RS435521 Air Regulator 1
22 RS435522 O-Ring (45.5 x 2) 1
23 RS433523 Spring 1
24 RS433524 Steel Ball 1
25 RS435525 Anvil Bushing 1
26 RS433526 Oil Cap (1/8") 1
27 RS188031 Spring Pin (2 x 5) 1
28 RS435528 Hammer Case (incl. #26 & 56)) 1
29 RS435529 Gasket 1
REF. PART
NO. NO. DESCRIPTION QTY.
30 RS435530 Gasket 1
31 RS435531 Gasket 1
32 RS435532 Washer 1
33 RS435533 Hammer Cage 1
34 RS435534 Hammer 2
35 RS435535 Hammer Pin 2
36 RS435536 Anvil (R-type 3/4") 1
37 RS435537 O-Ring (10 x 3.5) 1
38 RS435538 Retaining Ring 1
39 RS435539 Gasket 1
40 RS435540 Screw 2
41 RS433541 O-Ring (20.35 x 1.78) 1
42 RS433542 Valve Spring 1
43 RS433543 Valve Stem 1
44 RS433544 Rubber Spacer 1
45 RS433545 O-Ring (15.7 x 1.7) 1
46 RS435546 Screw (M6 x 110) 4
47 RS433547 Muffler Material 1
48 RS435548 Muffler Material 1
49 RS435549 Set Screw (M5 x 8) 1
50 RS435550 Spring 1
51 RS435551 Pin 1
52 RS181038 Retaining Ring (RTW-28) 1
56 Steel Ring (Incl. w/ #28) 1
Also available: RS4355TK tune-up kit including items # 5, 9 (2),
16 (6), 22, 29, 30, 31, 37, 38, 39, 41, 45, 47, 48.
3/4" DRIVE
IMPACT WRENCH
SX4355
29
14
22
24
21
12
11
9
10
6
9
11
12
39
40
51
50
49
4
5
1
2
44
47
31
32
33
34
34
35
36
37
38
25
56
26
28
43
42
7
45
41
3
46
23
30
13
27
48
52
18
17
15
16
19
20
SX4355: Parts Breakdown & Operating Manual 4 rev. 10/19/11
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