Gripe Lite GRTFR83 User manual

1
OPERATOR’S MANUAL
www.grip-rite.com
AND PARTS LIST
GRTFR83, GRTFR83L, GRTFC83 & GRTFW83
SHORT BODY FRAMING NAILERS
MODELS
GRTFW83
GRTFC83
GRTFC83
GRTFW83
GRTFR83(L)
GRTFR83(L)

2
TABLE OF CONTENTS
------------------------------------------------2
TABLE OF CONTENTS
SPECIFICATIONS
GRTFR83(L) Fastener Selection Chart
SAFETY
TOOL PARTS & DESCRIPTIONS
OPERATION --------------------------------------------------------------16
Loading Fasteners
Adjusting Nail Drive -------------------------------------------------17
Selecting Trigger Operation --------------------------------------17
TOOL OPERATION
Sequential Operation
Contact Trip Operation
MAINTENANCE
Lubrication
Cleaning
Trigger Check
TROUBLESHOOTING
TOOL CHECKS
IMPORTANT SAFETY INFORMATION
You must read this entire manual and familiarize yourself with
all safety, operating, and service instructions before loading,
handling, or using your tool. When used correctly, pneumatic
fastening tools provide a lightweight, powerful, and safe means
of fastening. Used improperly, these tools can cause serious
injury to you and those around you.
GRTFC83 Fastener Selection Chart
GRTFW83 Fastener Selection Chart
GRTFR83(L)
GRTFC83
GRTFW83
GRTFR83 PARTS SCHEMATIC & LIST
GRTFR83L PARTS SCHEMATIC & LIST
GRTFC83 PARTS SCHEMATIC & LIST
GRTFW83 PARTS SCHEMATIC & LIST
WARRANTY---------------------------------------------------------------30
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--------------------------24
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---------------------------------5
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---------------------------------4
------------------------------3
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3
Size Box Shank Bright Galvanized
GRTFR83(L) FRAMING NAILERS
FASTENER RANGE 2” - 3 1/4” (50 mm - 83 mm)
.113” - .148” dia. (3 - 3.8 mm) Round Head
FASTENER TYPE 21° Round Head Plastic Collation
MAX MAGAZINE CAPACITY 75 Nails
MAX AIR PRESSURE 120 psi (8.3 bar)
MIN AIR PRESSURE 70 psi (4.8 bar)
TOOL WEIGHT 6.9 lbs. (3.1 kg)
TOOL LENGTH 21.7” (55.1 cm) [GRTFR83L - 22.1” (56.1 cm)]
TOOL HEIGHT 12.4” (31.5 cm)
TOOL WIDTH 4.5” (11.4 cm)
TRIGGER TYPE SELECTABLE - SEQUENTIAL OR BUMP FIRE
AIR INLET MALE SWIVEL QUICK CONNECT COUPLER
LUBRICATION 10W Air Tool Oil (Provided)
NOISE CHARACTERISTIC VALUES IN ACCORDANCE WITH ISO 3774, ISO 11201:
A-weighted single-event sound
pressure level at operator’s position ------------------------------------LpA, 1s = 93 dBA
A-weighted single-event sound power level ---------------------------LwA, 1s = 102 dBA
A-weighted single-event surface sound
pressure level -----------------------------------------------------------------LpA, 1s = 89 dBA
VIBRATION CHARACTERISTIC VALUES IN ACCORDANCE WITH ISO 8862-1
2
Weighted root mean square acceleration ------------------------------= 3.6 m/s
For best results, use Grip-Rite® collated fasteners.
GRTFR83(L) FASTENER SELECTION CHART
6D 2”x .113 5M Smooth GR03 GR05G GR05HG
6D 2”x .113 5M Ring GR04 GR04G GR04HG
8D 2-3/8”x .113 5M Smooth GR07 GR09G GR09HG
8D 2-3/8”x .113 5M Ring GR08R GR08G GR06RHG
10D 2-3/8”x .148 4M Smooth GR8D148 GR8D148HG N/A
10D 3” x .120 4M Smooth GR301 GR301G GR301HG
10D 3” x .120 4M Ring N/A GR408G GR408HG
10D 3” x .131 4M Smooth GR014 N/A N/A
12D 3-1/4” x .120 4M Smooth GR444 GR444G GR444HG
16D 3-1/4” x .131 4M Smooth GR024 GR034G GR034HG
12D 3-1/4” x .148 4m Smooth GR314148 N/A N/A
SPECIFICATIONS
GRTFR83(L) SPECIFICATIONS
MODEL
HD Galvanized

4
Size Box Shank Bright Galvanized
GRTFC83 FRAMING NAILERS
FASTENER RANGE 2” - 3 1/4” (50 mm - 83 mm)
.113” - .131” dia. (3 - 3.3 mm)
FASTENER TYPE 30°-34 Clipped & Offset Round Head Paper Collation°
MAX MAGAZINE CAPACITY 80 Nails
MAX AIR PRESSURE 120 psi (8.3 bar)
MIN AIR PRESSURE 70 psi (4.8 bar)
TOOL WEIGHT 7.3 lbs. (3.3 kg)
TOOL LENGTH 21.7” (55.1 cm)
TOOL HEIGHT 13.5” (34.3 cm)
TOOL WIDTH 4.5” (11.4 cm)
TRIGGER TYPE SELECTABLE - SEQUENTIAL OR BUMP FIRE
AIR INLET MALE SWIVEL QUICK CONNECT COUPLER
LUBRICATION 10W Air Tool Oil (Provided)
NOISE CHARACTERISTIC VALUES IN ACCORDANCE WITH ISO 3774, ISO 11201:
A-weighted single-event sound
pressure level at operator’s position ------------------------------------LpA, 1s = 93 dBA
A-weighted single-event sound power level ---------------------------LwA, 1s = 102 dBA
A-weighted single-event surface sound
pressure level -----------------------------------------------------------------LpA, 1s = 89 dBA
VIBRATION CHARACTERISTIC VALUES IN ACCORDANCE WITH ISO 8862-1
2
Weighted root mean square acceleration ------------------------------= 3.6 m/s
For best results, use Grip-Rite® collated fasteners.
GRTFC83 FASTENER SELECTION CHART
6D 2”x .113 2.5M Smooth GRSP6D GRSP6DG GRSP6DHG
6D 2”x .113 2.5M Ring GRSP6DR GRSP6DRG GRSP6DRHG
8D 2-3/8”x .113 2.5M Smooth GRSP8D GRSP8DG GRSP8DHG
8D 2-3/8”x .113 2.5M Ring GRSP8DR GRSP8DRG GRSP8DRHG
10D 3”x .120 2M Smooth GRSP10D GRSP10DG GRSP10DHG
10D 3” x .120 2M Ring GRSP10DR GRSP10DRG GRSP10DRHG
10D 3” x .131 2M Smooth GRSP10DZ GRSP10DZG N/A
12D 3-1/4” x .120 2M Smooth GRSP12D N/A N/A
12D 3-1/4” x .120 2M Ring N/A GRSP12DRG GRSP12DRHG
12D 3-1/4” x .131 2M Smooth GRSP12DZ GRSP12DZG GRSP12DZHG
16D 3-1/2” x .131 2m Smooth GRSP16DZ GRSP16DZG GRSP16DZHG
SPECIFICATIONS
GRTFC83 SPECIFICATIONS
MODEL
HD Galvanized

5
Size Box Shank Bright Galvanized
GRTFW83 FRAMING NAILERS
FASTENER RANGE 2” - 3 1/4” (50 mm - 83 mm)
.113” - .131” dia. (3 - 3.3 mm)
FASTENER TYPE 28° Wire Weld Framing
MAX MAGAZINE CAPACITY 95 Nails
MAX AIR PRESSURE 120 psi (8.3 bar)
MIN AIR PRESSURE 70 psi (4.8 bar)
TOOL WEIGHT 7.5 lbs. (3.4 kg)
TOOL LENGTH 17.0” (43.2 cm)
TOOL HEIGHT 13.25” (33.7 cm)
TOOL WIDTH 4.5” (11.4 cm)
TRIGGER TYPE SELECTABLE - SEQUENTIAL OR BUMP FIRE
AIR INLET MALE SWIVEL QUICK CONNECT COUPLER
LUBRICATION 10W Air Tool Oil (Provided)
NOISE CHARACTERISTIC VALUES IN ACCORDANCE WITH ISO 3774, ISO 11201:
A-weighted single-event sound
pressure level at operator’s position ------------------------------------LpA, 1s = 93 dBA
A-weighted single-event sound power level ---------------------------LwA, 1s = 102 dBA
A-weighted single-event surface sound
pressure level -----------------------------------------------------------------LpA, 1s = 89 dBA
VIBRATION CHARACTERISTIC VALUES IN ACCORDANCE WITH ISO 8862-1
2
Weighted root mean square acceleration ------------------------------= 3.6 m/s
For best results, use Grip-Rite® collated fasteners.
GRTFW83 FASTENER SELECTION CHART
6D 2”x .113 2.5M Smooth GRS6D GRS6DG GRS6DHG
6D 2”x .113 2.5M Ring GRS6DR GRS6DRG GRS6DRHG
8D 2-3/8”x .113 2.5M Smooth GRS8D GRS8DG GRS8DHG
8D 2-3/8”x .113 2.5M Ring GRS8DR GRS8DRG GRS8DRHG
10D 3”x .120 2M Smooth GRS10D GRS10DG GRS10DHG
10D 3” x .120 2M Ring N/A GRS10DRG GRS10DRHG
10D 3” x .131 2M Smooth GRS10DZ N/A N/A
12D 3-1/4” x .120 2M Smooth GRS12D GRS12DG GRS12DHG
12D 3-1/4” x .120 2M Ring N/A GRS12DRG GRS12DRHG
12D 3-1/4” x .120 2M Screw N/A GRS12DSG GRS12DSHG
16D 3-1/4” x .131 2M Smooth GRS12DZ GRS12DZG N/A
SPECIFICATIONS
GRTFW83 SPECIFICATIONS
MODEL
HD Galvanized
16D 3-1/2” x .131 2M Smooth GRS16DZ GRS16DZG GRS16DZHG

6
SAFETY
SAFETY LABELS
These pneumatic fastening tools include a warning label to help remind you of
important safety information when operating the tool. The safety label must be
legible at all times, and must be replaced if it becomes worn or damaged.
SAFETY SYMBOLS
These safety symbols provide a visual reminder of basic safety rules, and
the personal injury hazard that may arise if all safety and operating
instructions are not followed. Make sure you understand the meaning of
each of these symbols, and protect yourself and others by obeying all safety
and operating instructions.
SYMBOL DESCRIPTION
- The manual
READ THE MANUAL
contains important safety and operating
instructions that must be followed. All tool
users must read the manual before using
the tool.
WEAR SAFETY GLASSES - Tool operator
and bystanders must wear safety glasses
with side shield that meet ANSI Z87.1
requirements.
RISK OF PERSONAL INJURY - Failure to
follow all safety and operating instructions,
or misuse of the tool, can result in serious
injury to tool operator and bystanders.
WARNING
USER MUST READ OPERATION MANUAL BEFORE USING TOOL TO REDUCE THE RISK OF INJURY. FAILURE TO
FOLLOW THESE OPERATIONS MAY RESULT IN SERIOUS INJURY. ALWAYS WEAR SAFETY GLASSES BEFORE
USING THE TOOL. NEVER USE BOTTLED OR COMBUSTIBLE GASES (OXYGEN, ACETYLENE, ETC) ONLY USE
REGULATED AIR. DISCONNECT AIR SUPPLY WHEN CLEARING A JAM, REPLACING NO-MAR PAD, SERVICING,
OR WHEN TOOL IS NOT IN USE. NEVER CARRY TOOL WITH FINGER ON THE TRIGGER. KEEP FINGER OFF
TRIGGER WHEN NOT DRIVING FASTENERS AND WHEN LOADING OR UNLOADING NAILS. ALWAYS KEEP TOOL
POINTED IN A SAFE DIRECTION. MAX 120 PSI / 8 BAR
GRTFR83
21° FRAMING NAILER
USE 2.87~3.3mm RH NAIL 2”~3-1/4”
(50~83mm)

7
WEAR SAFETY GLASSES
Always wear safety glasses with side shields that meet ANSI
Z87.1 requirements when operating the tool. Make sure all
others in work area wear safety glasses.
WEAR HEARING PROTECTION
Wear hearing protection to protect your hearing from noise.
Prolonged exposure to loud noise can result in hearing loss.
NEVER OPERATE THE TOOL WITH OXYGEN OR OTHER
BOTTLED GASES
Oxygen and other reactive or high-pressure bottled gases can
cause the tool to explode. Use clean, dry regulated
compressed air from a properly operating air compressor.
DO NOT EXCEED MAXIMUM RECOMMENDED OPERATING
AIR PRESSURE OF 120 PSI /8.6 Bar.
Exceeding the maximum recommended air pressure can
cause the tool housing to burst, or cause premature failure of
components.
NEVER CONNECT THE TOOL TO AN AIR SUPPLY THAT
HAS THE POTENTIAL TO EXCEED 180 PSI/12.4 Bar.
Using a regulated air supply with a line or tank pressure
greater than 180 psi can cause the tool to burst if the air line
regulator fails suddenly.
USE AN AIR HOSE RATED FOR 180 PSI/12.4 Bar OR
GREATER
Always use air hose rated to handle 180 psi or the maximum
potential pressure of the air supply.
ONLY USE A RELIEVING-TYPE AIR COUPLING IN THE
TOOL
AIR INLET OPENING
Use of a non-relieving air coupling on the tool can trap air
inside the tool housing, and allow the tool to drive a fastener
SAFETY
SAFETY INSTRUCTIONS
even after the air hose has been disconnected.
120 psi
4.9 bar
70 psi 8.3 bar

8
SAFETY
DO NOT ATTEMPT TO OPERATE THE TOOL IF THE
TOOL’S OPERATING CONTROLS HAVE BEEN MODIFIED
OR ARE NOT WORKING PROPERLY.
Attempting to use a tool with modifed or malfunctioning trigger
or workpiece contact can result in a fastener being driven
unintentionally.
USE CORRECT FASTENERS
Only use the correct fastener for the tool. Using fasteners
with incorrect specifcations can jam the tool or cause serious
injuries.
USE THE CORRECT FASTENERS FOR THE APPLICATION.
Using the wrong fasteners can cause the workpiece to split
and allow the fastener to fy free.
KEEP TOOL POINTED IN A SAFE DIRECTION WHEN
LOADING
FASTENERS.
Never point the tool at yourself or anyone else when loading
fasteners.
DO NOT LOAD TOOL WITH TRIGGER OR WORKPIECE
CONTACT DEPRESSED.
Depressing the trigger or workpiece contact during loading
can result in an unintentional fastener drive if both devices are
accidentally actuated at the same time.
KEEP FINGER OFF TRIGGER UNTIL TOOL IS IN POSITION
TO DRIVE A FASTENER.
An unexpected bump or sudden contact with your body or that
of a bystander can result in serious injuries.
AVOID DRIVING FASTENERS INTO KNOTS, ON TOP OF
OTHER FASTENERS, AT WORKPIECE EDGES, OR INTO
BRITTLE MATERIALS.
Driving fasteners into extremely hard materials, or driving into
workpiece edges, can cause fasteners to defect away from
SAFETY INSTRUCTIONS
the workpiece. Flying fasteners can cause serious injuries.

9
SAFETY
KEEP HANDS AND BODY PARTS AWAY FROM AREA
BEING FASTENED.
Fasteners can defect and turn as they are being driven into
the workpiece, and penetrate fngers, hands, and other body
parts that may be in the fastening area.
DO NOT OVERREACH OR WORK WHILE ON UNSTABLE
FOOTING
If you lose your balance while fastening, you could drive a
fastener into yourself or a bystander.
DO NOT USE TOOL IF TOOL MALFUNCTIONS OR BEGINS
LEAKING AIR.
Operating a malfunctioning tool can result in an unexpected
fastener discharge and injury to yourself or others.
DISCONNECT THE TOOL FROM THE AIR SUPPLY TO
RELOAD, CLEAR JAMS, OR PERFORM MAINTENANCE.
Never attempt to reload a tool, clear a jam, or perform
maintenance without frst disconnecting the air supply.
NEVER LEAVE A LOADED, PRESSURIZED TOOL
UNATTENDED
A loaded, pressurized tool could be picked up or handled by
someone who is unfamiliar with the tool or that has not read
the tool manual.
KEEP TOOLS OUT OF THE REACH OF CHILDREN
Place the tool back in the tool box after use, and store the tool
out of reach.
DO NOT MODIFY TOOL
Modifcations can cause a tool to be unsafe and can cause the
SAFETY INSTRUCTIONS
tool to operate improperly.

10
DESCRIPTION
GRTFR83(L) TOOL PARTS
12
3
8
6
7
11
10
9
5
4

11
DESCRIPTION
GRTFR83(L) PART DESCRIPTIONS
1. Heavy Duty Cap - Seals tool housing.
2. Cushioned Grip - Cushioned handgrip reduces fatigue and
provides comfortable operation.
3. Rotating Rafter Hook - Durable aluminum hook holds tool
securely. Keeps nailer in reach for greater productivity.
4. Swivel Air Coupling - Quick-disconnect male coupling allows
quick connection to air hose and helps improve tool
maneuverability.
5. Dual Loading Magazine - Allows fast, easy top or rear loading of
nails. Open track design permits quick check of nail size and
quantity.
6. Selectable Trigger - Permits fingertip selection of single-fire or
bump fire operation.
7. Pusher Release Lever - Releases pusher to load or unload nails.
8. Spring-loaded Pusher - Provides positive fastener feeding in all
tool positions. Dry-fire lockout prevents blank firing.
9. Work Contact Tip - Agressive claw design permits stable
positioning for toe nailing in all applications.
10. Adjustable Depth of Drive - Tool-free depth of drive adjustment
allows nail drive adjustments to be made at tool for consistent
depth control.
11. Magnesium Tool Housing - Light weight, durable magnesium tool
housing lowers tool weight, reduces operator fatigue.
No-Mar Pad - Removeable pad prevents marring of work.
Conveniently stores on tool when not needed
Metric Hex Wrenches - Included with tool to allow tightening of
metric screws. Keep tools in tool case for periodic tightening of
screws.
Air Tool Oil - Lightweight oil formulated for use in air tools provides
proper lubrication to o-rings and internal parts.
Safety Goggles - Provide required eye protection

12
DESCRIPTION
GRTFC83 TOOL PARTS
1
2
3
7
5
6
10
9
8
4
GRTFC83

13
DESCRIPTION
GRTFC83 PART DESCRIPTIONS
1. Heavy Duty Cap - Seals tool housing.
2. Cushioned Grip - Cushioned handgrip reduces fatigue and
provides comfortable operation.
3. Rotating Rafter Hook - Durable aluminum hook holds tool
securely. Keeps nailer in reach for greater productivity.
4. Swivel Air Coupling - Quick-disconnect male coupling allows
quick connection to air hose and helps improve tool
maneuverability.
5. Selectable Trigger - Permits fingertip selection of single fire or
bump fire operation.
6. Pusher Release Lever - Releases pusher to load or unload nails.
7. Spring-loaded Pusher - Provides positive fastener feeding in all
tool positions. Dry-fire lockout prevents blank firing.
8. Work Contact Tip - Agressive claw design permits stable
positioning for toe nailing in all applications.
9. Adjustable Depth of Drive - Tool-free depth of drive adjustment
allows nail drive adjustments to be made at tool for consistent
depth control.
10. Magnesium Tool Housing - Light weight, durable magnesium tool
housing lowers tool weight, reduces operator fatigue.
No-Mar Pad - Removeable pad prevents marring of work.
Conveniently stores on tool when not needed
Metric Hex Wrenches - Included with tool to allow tightening of
metric screws. Keep tools in tool case for periodic tightening of
screws.
Air Tool Oil - Lightweight oil formulated for use in air tools provides
proper lubrication to o-rings and internal parts.
Safety Goggles - Provide required eye protection

14
DESCRIPTION
GRTFW83 TOOL PARTS
1
2
3
7
5
6
10
9
8
4
GRTFW83

15
DESCRIPTION
GRTFW83 PART DESCRIPTIONS
1. Heavy Duty Cap - Seals tool housing.
2. Cushioned Grip - Cushioned handgrip reduces fatigue and
provides comfortable operation.
3. Rotating Rafter Hook - Durable aluminum hook holds tool
securely. Keeps nailer in reach for greater productivity.
4. Swivel Air Coupling - Quick-disconnect male coupling allows
quick connection to air hose and helps improve tool
maneuverability.
5. Selectable Trigger - Permits fingertip selection of single fire or
bump fire operation.
6. Pusher Release Lever - Releases pusher to load or unload nails.
7. Spring-loaded Pusher - Provides positive fastener feeding in all
tool positions. Dry-fire lockout prevents blank firing.
8. Work Contact Tip - Agressive claw design permits stable
positioning for toe nailing in all applications.
9. Adjustable Depth of Drive - Tool-free depth of drive adjustment
allows nail drive adjustments to be made at tool for consistent
depth control.
10. Magnesium Tool Housing - Light weight, durable magnesium tool
housing lowers tool weight, reduces operator fatigue.
No-Mar Pad - Removeable pad prevents marring of work.
Conveniently stores on tool when not needed
Metric Hex Wrenches - Included with tool to allow tightening of
metric screws. Keep tools in tool case for periodic tightening of
screws.
Air Tool Oil - Lightweight oil formulated for use in air tools provides
proper lubrication to o-rings and internal parts.
Safety Goggles - Provide required eye protection

(GRTFR83 & GRTFR83L ONLY)
16
OPERATION
LOADING FASTENERS
LOADING NAILS
A fastener can be driven unintentionally if the trigger and safety bracket
are activated at the same time. Always disconnect tool from air supply
before loading fasteners, making adjustments, or performing any
service on tool. Keep finger off trigger until ready to drive a fastener.
DANGER
1. Hold tool handgrip securely
TOP LOADING
2a. Insert nail strip into TOP of
magazine, with nail points
angled forward and down.
Slide nail strip forward.
REAR LOADING
2b. Insert nail strip into REAR of
magazine, with nail points
angled forward and down.
Slide nail strip forward past
3. Pull pusher (A) back to rear
of magazine, behind last nail
strip.
4. Slide pusher forward to
engage last nail strip, and
release.
5. Tool is now loaded and ready
for normal operation.
UNLOADING NAILS
1. Pull pusher back, fully depress
pusher lever (B), then slide
pusher all the way forward to
front of magazine.
2. Release pusher lever (B).
3. Slide nail strips back to rear of
magazine, and remove the
nails from magazine.
C
B
A
stopper (C).

17
OPERATION
ADJUSTING NAIL DRIVE
1. Disconnect tool from air supply
using quick-connect coupling.
2. Turn adjustment dial (D)
backward toward magazine to
increase nail drive, or forward
toward front of tool to
decrease nail drive, as shown
by nail symbols on tool.
3. Connect tool to air supply, and
drive nails to check for correct
depth of drive.
4. Make depth of drive
adjustments as needed to
maintain consistent nail driving.
NAIL TOO HIGH
TURN DIAL
BACKWARD
NAIL TOO DEEP
TURN DIAL
FORWARD
D
SELECTING TRIGGER
OPERATION
1. Disconnect tool from air
supply using quick-connect
coupling.
BUMP FIRE OPERATION
2a. Slide the selector button (E)
on the trigger to the forward
position.
SEQUENTIAL FIRE
OPERATION
2b. Slide the selector button (E)
on the trigger to the rear
position.
3. Connect air tool to air supply
at quick-connect coupling.
E
E

18
TOOL OPERATION
SEQUENTIAL (SINGLE FIRE ) OPERATION
To operate this tool in SEQUENTIAL fire mode, move the
selector button on the trigger to the rear position.
1. Hold the tool securely using the handgrip. Keep finger off
trigger until tool is in position and you are ready to drive a fastener.
NOTE: Depressing trigger before depressing safety bracket will
prevent tool from actuating.
2. Position the nose of the tool on the workpiece, placing the nose at
the desired fastener driving position.
3. Press the tool down firmly against the work surface, fully
depressing the workpiece contact (safety bracket).
4. Squeeze the trigger once to drive a fastener.
5. Allow the tool to rebound off the work surface, and release the
trigger to reset the workpiece contact. Tool will not drive another
fastener until trigger is released, and cannot be bump-fired with
sequential operation mode selected.
6. Check fastener for flush drive, and if needed, turn nail depth
adjustment dial to obtain desired fastener drive.
7. If tool adjustments do not provide the desired results, make air
pressure adjustments at the compressor: Increase air pressure to
drive deeper or to drive into harder materials. Reduce air pressure
to reduce drive or to drive into softer materials. For longest tool
and part life, always use the lowest air pressure necessary to drive
fasteners to desired depth.
8. Position the tool for driving the next fastener, and repeat the above
procedure. Always keep hands and other body parts away from
areas being fastened.
BUMP FIRE (CONTACT TRIP) OPERATION
To operate this tool in BUMP FIRE mode (contact trip), move
the selector button on the trigger to the forward position.
1. Position the nose of the tool over the work surface, near the area
where the first fastener is to be driven.
2. Squeeze and hold the trigger in the depressed position.
3. Bump the workpiece contact (safety) against the work surface at
each point where a fastener is to be driven.
4. Using a bouncing motion, continue moving the tool into position for
each fastener drive.
5.
OPERATION
When fastening is completed, release the trigger.

19
MAINTENANCE
MAINTENANCE
Your tool will last longer and perform better if periodic maintenance is
performed. Please use the information below to keep your tool operating
in top condition.
Lubrication
Disconnect tool from the air supply and remove
all fasteners. Apply 2-3 drops of air tool oil
(provided) in the air inlet two - three times a day.
If the tool will be used outside in the winter, use
a winter grade air tool oil to help keep frost from
forming inside the tool. Do not use other types
of lubricants on this tool, as other lubricants may
contain chemicals harmful to o-rings and other
tool components. Drain compressor tanks and
hoses daily.
Cleaning
Disconnect tool from the air supply and remove all fasteners. Brush tool
off using a parts cleaning brush or clean rag. Check area around trigger
and workpiece contact, and clean as necessary.
Trigger Check
Check trigger operation daily to confirm proper sequential operation:
1. Move the selector button on the trigger to the rear position.
2. Press the workpiece contact against a safe work surface without
depressing the trigger. THE TOOL MUST NOT CYCLE.
3. Hold the tool above a safe work surface and pull the trigger
with out depressing the workpiece contact. THE TOOL MUST
NOT CYCLE.
4. Pull and hold the trigger, and then press the workpiece contact
against a safe work surface. THE TOOL MUST NOT CYCLE.
5. With finger off trigger, press the workpiece contact against a safe
work surface. Keep tool pressed against work surface, and pull
trigger. THE TOOL MUST CYCLE ONCE.
6. The trigger must return to the normal position each time finger
pressure is released.

GRTFR83 PARTS SCHEMATIC
20