BEFORE OPERATING THIS TOOL, ALL OPERATORS SHOULD STUDY THIS MANUAL TO
UNDERSTAND AND FOLLOW THE SAFETY WARNINGS AND INSTRUCTIONS. KEEP THESE
INSTRUCTIONS WITH THE TOOL FOR FUTURE REFERENCE. IF YOU HAVE ANY QUESTIONS,
CONTACT YOUR BOSTITCH REPRESENTATIVE OR DISTRIBUTOR.
ANTES DE OPERAR ESTA HERRAMIENTA, TODOS LOS OPERADORES DEBERÁN ESTUDIAR
ESTEMANUALPARA PODERCOMPRENDER Y SEGUIRLASADVERTENCIASSOBRESEGURIDAD
Y LAS INSTRUCCIONES. MANTENGA ESTAS INSTRUCCIONES CON LA HERRAMIENTA PARA
FUTURA REFERENCIA, SI TIENE ALGUNA DUDA, COMUNÍQUESE CON SU REPRESENTANTE DE
BOSTITCH O CON SU DISTRIBUIDOR.
LIRE ATTENTIVEMENT LE PRÉSENT MANUEL AVANT D’UTILISER L’APPAREIL. PRÉTER UNE
ATTENTION TOUTE PARTICULIÈRE AUX CONSIGNES DE SÉCURITÉ ET AUX AVERTISSEMENTS.
GARDER CE MANUELAVEC L’OUTIL POUR FUTUR RÉFÉRENCE.SI VOUS AVEZDES QUESTIONS,
CONTACTEZ VOTRE REPRÉSENTANT OU VOTRE CONCESSIONNAIRE BOSTITCH.
180586REVB 09/08
STANLEY FASTENING SYSTEMS L.P.
INTRODUCTION
®
™
he Bostitch FN1664 a precision-built tool, designed for high speed, high volume fastening. This tool will deliver
T
efficient, dependable service when used correctly and with care. As with any fine power tool, for best
erformance the manufacturer’s instructions must be followed. Please study this manual before operating the
p
tool and understand the safety warnings and cautions. The instructions on installation, operation and
aintenance should be read carefully, and the manuals kept for reference. NOTE: Additional safety measures
m
may be required because of your particular application of the tool. Contact your Bostitch representative or
distributor with any questions concerning the tool and its use. Bostitch, Inc., East Greenwich, Rhode Island
Bostitch tools have been engineered to provide excellent customer satisfaction and are designed to achieve
maximum performance when used with precision Bostitch fasteners engineered to the same exacting
standards. Bostitch cannot assume responsibility for product performance if our tools are used with
fasteners or accessories not meeting the specific requirements established for genuine Bostitch nails,
staples and accessories.
LIMITED WARRANTY — U.S. and Canada Only
Effective December 1, 2005 Bostitch, L.P. warrants to the original retail purchaser that the product purchased is free
fromdefects inmaterial and workmanship, and agrees to repair or replace,at Bostitch’s option,any defective Bostitch
branded pneumatic stapler or nailer for a period of seven (7) years from date of purchase (one (1) year from the date
of purchase for compressors and toolsusedin productionapplications). Warrantyis not transferable. Proofof purchase
date required. This warranty covers only damage resulting from defects in material or workmanship; it does not cover
conditions or malfunctions resulting from normal wear, neglect, abuse, accident or repairs attempted or made byother
than our national repair center or authorized warranty service centers. Driver blades, bumpers, o-rings, pistons and
piston rings are considered normally wearing parts. For optimal performance of your Bostitch tool always use genuine
Bostitch fasteners and replacement parts.
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT
LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. BOSTITCH SHALL NOT BE LIABLE FORANY INCIDENTAL OR CONSEQUENTIALDAMAGES.
Somestates and countries do not allow limitations on how long an implied warranty lasts, or theexclusionor limitation
of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This warranty
gives you specific legal rights, and you may also have other rightswhich varyfrom stateto stateandcountry to country.
To obtain warranty service in theU.S. return the product, together with proof of purchase, to the U.S. Bostitch National
or Regional IndependentAuthorized Warranty Service Center. In the U.S. you may call us at 1-800-556-6696 or visit
www.BOSTITCH.com for the location most convenient for you. In Canada please call us at 800-567-7705 or visit
www.BOSTITCH.com
-2-
SAFETY INSTRUCTIONS
EYE PROTECTION which conforms to ANSI specifications and provides protection against
lying particles both from the FRONT and SIDE should ALWAYS be worn by the operator and
f
others in the work area when connecting to air supply, loading, operating or servicing this
ool. Eye protection is required to guard against flying fasteners and debris, which could
t
ause severe eye injury.
c
he employer and/or user must ensure that proper eye protection is worn. Eye protection
T
equipment must conform to the requirements of the American National Standards Institute,
ANSI Z87.1 and provide both frontal and side protection. NOTE: Non-side shielded
spectacles and face shields alone do not provide adequate protection.
dditional Safety Protection will be required in some environments. For
AUTION:
C
example, the working area may include exposure to noise level which can lead to hearing
amage. The employer and user must ensure that any necessary hearing protection is
d
rovided and used by the operator and others in the work area. Some environments will
p
require the use of head protection equipment. When required, the employer and user must
nsure that head protection conforming to ANSI Z89.1 is used.
e
A
AIR SUPPLY AND CONNECTIONS
Do not use oxygen, combustible gases, or bottled gases as a power source for this tool as
tool may explode, possibly causing injury.
Do not use supply sources which can potentially exceed 200 P.S.I.G. as tool may burst,
possibly causing injury.
The connector on the tool must not hold pressure when air supply is disconnected. If a
wrong fitting is used, the tool can remain charged with air after disconnecting and thus will
be able to drive a fastener even after the air line is disconnected possibly causing injury.
Do not pull trigger or depress contact arm while connected to the air supply as the tool may
cycle, possibly causing injury.
Always disconnect air supply: 1.) Before making adjustments; 2.) When servicing the tool;
3.)When clearing a jam; 4.)When tool is not in use; 5.)When moving to a different work area,
as accidental actuation may occur, possibly causing injury.
LOADING TOOL
When loading tool: 1.) Never place a hand or any part of body in fastener discharge area of
tool; 2.) Never point tool at anyone; 3.) Do not pull the trigger or depress the trip as
accidental actuation may occur, possibly causing injury.
OPERATION
Always handle the tool with care: 1.) Never engage in horseplay; 2.) Never pull the trigger
unless nose is directed toward the work; 3.) Keep others a safe distance from the tool while
tool is in operation as accidental actuation may occur, possibly causing injury.
The operator must not hold the trigger pulled on contact arm tools except during fastening
operation as serious injury could result if the trip accidentally contacted someone or
something, causing the tool to cycle.
Keep hands and body away from the discharge area of the tool. A contact arm tool may
bounce from the recoil of driving a fastener and an unwanted second fastener may be driven
possibly causing injury.
Check operation of the contact arm mechanism frequently. Do not use the tool if the arm
is not working correctly as accidental driving of a fastener may result. Do not interfere with
the proper operation of the contact arm mechanism.
Do not drive fasteners on top of other fasteners or with the tool at an overly steep angle as
this may cause deflection of fasteners which could cause injury.
Do not drive fasteners close to the edge of the work piece as the wood may split, allowing
the fastener to be deflected possibly causing injury.
Thisnailer produces SPARKSduring operation. NEVER use the nailernearflammablesubstances,
gases or vapors including lacquer, paint, benzine, thinner, gasoline, adhesives, mastics,glues or
any other material that is -- or the vapors, fumes or by-products of which are -- flammable,
combustible or explosive. Using the nailer in any such environment could cause an EXPLOSION
resulting in personal injury or death to user and bystanders.
MAINTAINING THE TOOL
When working on air tools note the warnings in this manual and use extra care when
evaluating problem tools.
-3-
TOOL COMPONENTS
Frame Cap
rame Protector
F
rame
F
Trigger Lockout
Actuation Mode
Selector Switch
Trip
No-Mar Tip
ver-Molded
O
Comfort Grip
Trigger
Dial-A-Depth™
Control
Belt Hook
Rear Exhaust
Swivel Air Fitting
Pencil Sharpener
3mm Hex Wrench
Spare No Mar Tip Storage
Trigger Lockout
4mm Hex Wrench
-4-
TOOL SPECIFICATIONS
ll demensions in inches unless otherwise specified.
A
FN1664
escription16ga Finish Nailer
D
Engine TypeOil-Free
peration Pressure Range70-120 PSI (4.9 to 8.43kg/cm
O
aximum Operation Pressure120 PSI (8.43 kg/cm
M
Fastener TypeSB16 Series
astener Gauge16 Gauge
F
Fastener Range1” – 2-1/2” (25mm–63mm)
agazine Capacity110
M
Length11-7/8” (301.6mm)
Width3-3/8” (85.7mm)
Height11-3/8” (288.9mm)
Weight3.9 lbs. (1.7kg)
Operating Pressure:
70 to 120 p.s.i.g. (4.9 to 8.43 kg/cm2). Select the operating pressure within in this range for best fastener
performance.
DO NOT EXCEED THIS RECOMMENDED OPERATING PRESSURE.
Air Consumption:
The FN1664 requires 3.9 cubic feet per minute or C.F.M. (110.4 liters per minute or LT/MIN) of free air at 80PSI
(5.6 kg/cm
compressor, take the actual rate at which the tool will be run and compare the required C.F.M. (LT/MIN) to the
compressors free air delivery (C.F.M./ LT/MIN) at 80 PSI (5.6 kg/cm
For example, if your fastener usage averages 30 fasteners per minute, you need 50% of the tools C.F.M.
required to operate the tool at the rate of 60 fasteners per minute. In this case, be sure that your aircompressor
can deliver a minimum of 1.90 C.F.M. (55.2 LT/MIN) at 80 PSI(5.6 kg/cm
2
) to operate at a rate of 60 fasteners per minute. To determine the appropriately sized air
* Stainless steel fasteners also available in certain sizes. Visit www.BOSTITCH.com for further details.
NOTE:
BOSTITCH tools have been engineered to provide superior customer satisfaction and are designed to achieve
maximum perfomance when used with precision BOSTITICH fasteners engineered to the same exacting
standards. BOSTITCH cannot assume responsibility for product performance if our tools are used with
fasteners or accessories not meeting the specific requirements established for genuine BOSTITCH
fasteners and accessories.
SB16-2.50162-1/2” (63mm)
-5-
AIR SUPPLY AND CONNECTIONS
Do not use oxygen, combustible gases, or bottled gases as a power source for this tool as
ool may explode, possibly causing injury.
t
FITTINGS:
nstall a male plug on the tool which is free flowing and which will release air pressure from the tool when
I
disconnected from the supply source.
HOSES:
Air hoses should have a minimum of 150 p.s.i. (10.6 kg/cm2) working pressure rating or 150 percent of the
maximum pressure that could be produced in the air system. The supply hose should contain a fitting that will
rovide “quick disconnecting” from the male plug on the tool.
p
SUPPLY SOURCE:
se only clean regulated compressed air as a power source for this tool. NEVER USE OXYGEN, COMBUSTIBLE
U
GASES, OR BOTTLED GASES, AS A POWER SOURCE FOR THIS TOOLAS TOOL MAY EXPLODE.
REGULATOR:
A pressure regulator with an operating pressure of 0 - 125 p.s.i. (0 - 8.79 kg/cm2) is required to control the
operating pressure for safe operation of this tool. Do not connect this tool to air pressure which can potentially
exceed 200 p.s.i. (14 kg/cm
OPERATING PRESSURE:
Do not exceed recommended maximum operating pressure as tool wear will be greatly increased. The air
supply must be capable of maintaining the operating pressure at the tool. Pressure drops in the air supply can
reduce the tool’s driving power. Refer to “TOOL SPECIFICATIONS” for setting the correct operating pressure
for the tool.
FILTER:
Dirt and water in the air supply are major causes of wear in pneumatic tools. A filter will help to get the best
performance and minimum wear from the tool. The filter must have adequate flow capacity for the specific
installation. The filter has to be kept clean to be effective in providing clean compressed air to the tool. Consult
the manufacturer’s instructions on proper maintenance of your filter. A dirty and clogged filter will cause a
pressure drop which will reduce the tool’s performance.
2
) as tool may fracture or burst, possibly causing injury.
Quick Disconnect Plug
Quick Connect Plug
-6-
LOADING THE FN1664
EYE PROTECTION which conforms to ANSI specifications and provides protection against
lying particles both from the FRONT and SIDE should ALWAYS be worn by the operator and
f
thers in the work area when connecting to air supply, loading, operating or servicing this
o
ool. Eye protection is required to guard against flying fasteners and debris, which could
t
cause severe eye injury.
The employer and/or user must ensure that proper eye protection is worn. Eye protection
equipment must conform to the requirements of the American National Standards Institute,
ANSI Z87.1 and provide both frontal and side protection. NOTE: Non-side shielded
pectacles and face shields alone do not provide adequate protection.
s
TO PREVENT ACCIDENTAL INJURIES:
Never place a hand or any other part of the body in nail discharge area of tool while
•
the air supply is connected.
• Never point the tool at anyone else.
• Never engage in horseplay.
Never pull the trigger unless nose is directed at the work.
•
Always handle the tool with care.
•
• Do not pull the trigger or depress the trip mechanism while loading the tool.
LOADING THE FN1664
1. Load nails through the slot in the rear of the magazine and past retaining clip.
2. Pull pusher back behind nail stick and release.
3. Ensure magazine pusher is behind the last nail stick.
-7-
TRIGGER LOCKOUT CONTROL
he trigger lockout control feature on BOSTITCH pneumatic tools provides
T
trigger lock feature for added safety control. Push the lockout control
a
utton in or out to activate or lock the tool trigger.
b
Trigger Lockout Control Button
TRIP OPERATION MODE
Warning: Always disconnect air supply before making adjustments as accidental actuation may occur,
possibly causing injury.
The FN1664 features a selectable trigger system that allows the user to choose between the following
modes of operation:
The common operation procedure on “Contact Trip” tools is for the operator to contact the work surface to
actuate the trip mechanism while keeping the trigger pulled, thus driving a fastener each time the work
surface is contacted. This will allow rapid fastener placement on many jobs. All pneumatic tools are subject
to recoil when driving fasteners. The tool may bounce, releasing the trip, and if unintentionally allowed to recontact the work surface with the trigger still actuated (finger still holding the trigger pulled) an unwanted
second fastener will be driven.
2. SEQUENTIALTRIP:
The Sequential Trip requires the operator to hold the tool against the work before pulling the trigger. This
makes accurate fastener placement easier. The Sequential Trip allows exact fastener location without the
possibility if driving a second fastener on recoil as described under “Contact Trip”. The Sequential Trip Tool
has a positive advantage because it will not accidentally drive a fastener if the tool is contacted against the
work surface - or anything else - while the operator is holding the trigger pulled.
SELECTING THETRIP MODE:
To ensure safety, the user must lock the trigger (as described above) before changing the trigger system. To
change the trip mode, rotate the mode switch in the counterclockwise direction. The mode switch will lock
automatically when the indicating arrow is pointing down to the 3 nail icon stamped into the tool frame
(Contact Trip Mode) or to a single nail icon stamped in the tool frame( Sequential Trip Mode). Unlock the
trigger to resume tool operation.
he DIAL-A-DEPTH™ Fastener control adjustment feature provides close
T
control of the fastener drive depth: from flush with the work surface to shallow
or deep countersink.
irst set the air pressure for consistent drive in the specific work as described
F
n page 4, then use the DIAL-A-DEPTH™ fastener control adjustment to give
o
the desired depth of drive.
Dial-A-DepthTMFastener Control Adjustment
IN ADDITION TOTHE OTHER WARNINGS CONTAINED IN THIS
MANUAL OBSERVE THE FOLLOWING FOR SAFE OPERATION
• Use the BOSTITCH pneumatic tool only for the purpose for which it was designed.
• Never use this tool in a manner that could cause a fastener to be directed toward the user
or others in the work area.
• Do not use the tool as a hammer.
• Always carry the tool by the handle. Never carry the tool by the air hose.
• Do not alter or modify this tool from the original design or function without approval from
BOSTITCH, INC.
• Always be aware that misuse and improper handling of this tool can cause injury to
yourself and others.
• Never clamp or tape the trigger or contact trip in an actuated position.
• Never leave a tool unattended with the air hose attached.
• Do not operate this tool if it does not contain a legible WARNING LABEL.
• Do not continue to use a tool that leaks air or does not function properly. Notify your nearest
Bostitch representative if your tool continues to experience functional problems.
-9-
INSTALLING THE BELT HOOK
lways disconnect tool from air supply before making adjustments or before attempting any
A
art assembly or disassembly.
p
lways remove the belt hook from the tool when selecting Contact Trip Mode.
A
. Assure that the sequential trip mode is selected.
1
2. Depress the belt hook release button on the belt hook body.
. Slide the belt hook into the belt hook attachment slot.
3
4. Release the belt hook release button and check to ensure that the belt hook is locked in position.
1
2
3
4
USING THE INTEGRATED PENCIL SHARPENER
A standard pencil sharpener is integrated into the belt hook for the operator’s convenience. To sharpen a
pencil, insert any standard pencil into the hole and rotate the pencil to the right (clockwise)to sharpen.
HEX WRENCH STORAGE
A 3mm hex wrench for servicing the tool is stored within the belt hook. To remove the hex wrench, push out
the short end of the hex wrench from the backside of the belt hook. Then grasp the hex wrench from the front
of the belt hook and remove.
-10-
TOOL OPERATION
EYE PROTECTION which conforms to ANSI specifications and provides protection against
flying particles both from the FRONT and SIDE should ALWAYS be worn by the operator and
others in the work area when connecting to air supply, loading, operating or servicing this
tool. Eye protection is required to guard against flying fasteners and debris, which could
cause severe eye injury.
The employer and/or user must ensure that proper eye protection is worn. Eye protection
equipment must conform to the requirements of the American National Standards Institute,
NSI Z87.1 and provide both frontal and side protection. NOTE:Non-side shielded spectacles
A
and face shields alone do not provide adequate protection.
BEFORE HANDLING OR OPERATING THISTOOL:
I. READ AND UNDERSTAND THE WARNINGS CONTAINED IN THIS MANUAL.
II. REFERTO “TOOL SPECIFICATIONS” IN THIS MANUALTO IDENTIFY THE
OPERATING SYSTEM ONYOURTOOL.
OPERATION
1. CONTACT TRIP OPERATION:
In CONTACT TRIP MODE the tool contains a contact trip that operates in conjunction with the trigger to
drive a fastener. There are two methods of operation to drive fasteners with a contact trip tool.
A. SINGLE FASTENER PLACEMENT: To operate the tool in this manner, first position the contact trip
on the work surface, WITHOUT PULLING THE TRIGGER. Depress the contact trip until the nose
touches the work surface and then pull the trigger to drive a fastener. Do not press the tool against
the work with extra force. Instead, allow the tool to recoil off the work surface to avoid a second
unwanted fastener. Remove your finger from the trigger after each operation.
B. RAPID FASTENER OPERATION: To operate the tool in this manner, hold the tool with the contact
trip pointing towards but not touching the work surface. Pull the trigger and then tap the contact trip
against the work surface using a bouncing motion. Each depression of the contact trip will cause a
fastener to be driven.
The operator must not hold the trigger pulled on contact trip tools except during fastening
operation, as serious injury could result if the trip accidentally contacted someone or
something, causing the tool to cycle.
Keep hands and body away from the discharge area of the tool. A contact trip tool may
bounce from the recoil of driving a fastener and an unwanted second fastener may be driven,
possibly causing injury.
2. SEQUENTIAL TRIP OPERATION:
In SEQUENTIAL TRIP MODE the contact trip operates in conjunction with the trigger to drive a fastener.
To operate a sequential trip tool, first position the contact trip on the work surface WITHOUT PULLING THE
TRIGGER. Depress the contact trip and then pull the trigger to drive a fastener. As long as the contact
trip is contacting the work and is held depressed, the tool will drive a fastener each time the trigger is
depressed. If the contact trip is allowed to leave the work surface, the sequence described above must be
repeated to drive another fastener.
-11-
JAM CLEARING PROCEDURE
Disconnect tool from air supply before making adjustments or before attempting any part
assembly or disassembly.
On occasion nails can jam in the nose of a pneumatic nailer. This can be caused by striking a metal plate in
he wall, drywall screw, or some other hard object. The FN1664 feature open drive channel architecture for
t
am clearing. To clear a jam follow this procedure:
j
1. Disconnect the tool from the air supply.
2. Release the pusher so it is no longer applying force to the nail sticks.
. Open the jam clearing nose door by pulling down and then up on the latch.
3
4. Remove the jammed fastener. In certain circumstances, pliers may be required to remove the fastener.
5. Close the jam clearing nose door latch.
6. Pull nail pusher back behind nail sticks.
.
FN1664 JAM CLEARING
1
2
3
4
5
6
-12-
TOOL OPERATION CHECK
AUTION: Remove all fasteners from tool before performing tool operation check.
C
1. CONTACT TRIP OPERATION:
A. With finger off the trigger, press the contact trip against the work surface.
THE TOOL MUST NOT CYCLE.
B. Hold the tool off the work surface, and pull the trigger.
THE TOOL MUST NOT CYCLE.
C. With the tool off the work surface, pull the trigger. Press the contact trip against the work surface.
THE TOOL MUST CYCLE.
D. Without touching the trigger, press the contact trip against the work surface,
then pull the trigger.
THE TOOL MUST CYCLE.
2. SEQUENTIALTRIP OPERATION:
A. Press the contact trip against the work surface, without touching the trigger.
THE TOOL MUST NOT CYCLE.
B. Hold the tool off the work surface and pull the trigger.
THE TOOL MUST NOT CYCLE.
Release the trigger. The trigger must return to the trigger stop on the frame.
C. Pull the trigger and press the contact trip against the work surface.
THE TOOL MUST NOT CYCLE.
D. With finger off the trigger, press the contact trip against the work surface. Pull the trigger.
THE TOOL MUST CYCLE.
MAINTAINING THE PNEUMATIC TOOL
When working on air tools, note the warnings in this manual and use extra care evaluating
problem tools.
CAUTION: Pusher spring (constant force spring). Caution must be used when working with the spring
assembly. The spring is wrapped around, but not attached to, a roller. If the spring is extended beyond
its length, the end will come off the roller and the spring will roll up with a snap, with a chance of
pinching your hand. Also the edges of the spring are very thin and could cut. Care must also be taken
to insure no permanent kinks are put in the spring as this will reduce the springs force.
REPLACEMENT PARTS:
Use only genuine BOSTITCH replacement parts. Do not use modified parts.
ASSEMBLY PROCEDURE FOR SEALS:
When repairing a tool, make sure the internal parts are clean and lubricated. Use Parker “O”-LUBE,
Magnalube, or equivalent on all “O”-rings. Coat each “O”-ring with lubricant before assembling.
AIR SUPPLY-PRESSURE AND VOLUME:
Air volume is as important as air pressure. The air volume supplied to the tool may be inadequate because of
undersize fittings and hoses, or from the effects of dirt and water in the system. Restricted air flow will prevent
the tool from receiving an adequate volume of air, even though the pressure reading is high. The results will
be slow operation, misfeeds or reduced driving power. Before evaluating tool problems for these symptoms,
trace the air supply from the tool to the supply source for restrictive connectors, low points containing water
and anything else that would prevent full volume flow of air to the tool.
-13-
MAINTENANCE CHECKLIST
MaintenanceBenefitProcedureService Interval
I
nspect trigger performanceEnsure trigger system is in
proper working order
R
efer to Tool Operation
Check section in this manual
D
aily
Drain condensation from air
c
ompressor tanks and air
filters (if present)
Clean magazine assemblyPrevents accumlation of
Clean nose assemblyPrevents accumlation of
Ensure all fasteners remain
t
ight
Check/clean air inlet air filter Maintains proper air flow to
Replace no-mar tipPrevents marks in softwood
Replace swivel air fittingMaintains proper air flow to
Replace piston/driver
assembly
Replace O-ringsMaintains engine for peak
Replace bumperMaintains engine for peak
Prevents accumlation of
m
oisture that can impede tool
performace
d
ebris that could cause a jam
debris that could cause a jam
Prevent loose partsTighten all fasteners with
engine for peak performance.
applications
engine for peak performance
Maintains consistent drive
quality
performance
performance
Open drain cock on tanks
a
nd air filters and drain all
condensate
Blow clean with compressed
a
ir
Blow clean with compressed
air
a
ppropriately sized hex
wrench
Remove end cap and use
compressed air blow gun to
blow filter clean. Replace
filter as required.
Remove worn no-mar tip and
replacewith a new tip(a sparetip
islocatedon themagazine)
Remove worn swivel air fitting
and replace with new swivel
fitting