Grizzly Nail Gun h8234 User Manual

model h8234  
28° framing nailer  
oWner's manual  
COPYRIGHT © AUGUST, 2007 BY GRIZZLY INDUSTRIAL, INC.  
Warning: no portion of this manual may be reproduced in any shape  
or form Without the Written approval of grizzly industrial, inc.  
#TS9831 PRINTeD IN CHINA ReVISeD JULY, 2008 (TR)  
 
safety  
for your own safety read instruction manual  
before operating this equipment  
the purpose of safety symbols is to attract your attention to possible hazardous  
conditions. this manual uses a series of symbols and signal words which  
are intended to convey the level of importance of the safety messages. the  
progression of symbols is described below. remember that safety messages by  
themselves do not eliminate danger and are not a substitute for proper accident  
prevention measures.  
indicates an imminently hazardous situation which,  
if not avoided, Will result in death or serious injury.  
indicates a potentially hazardous situation which, if  
not avoided, could result in death or serious injury.  
indicates a potentially hazardous situation which, if  
not avoided, may result in minor or moderate injury.  
it may also be used to alert against unsafe practices.  
this symbol is used to alert the user to useful  
NOTICE  
information about proper operation of the equipment.  
safety instructions for pneumatic tools  
5. Keep children and visitors  
aWay. All children and visitors  
should be kept at a safe distance  
from work area.  
1. Keep all safety devices in  
place and in working order.  
2. remove adJusting Keys and  
Wrenches. Form habit of check-  
ing to see that keys and adjusting  
wrenches are removed from tool  
before operation.  
6. maKe WorKshop child proof  
by locking your shop and shutting off  
air valves.  
7. do not force tool. It will do  
the job better and safer at the rate for  
which it was designed.  
3. Keep WorK area clean.  
Cluttered areas and benches invite  
accidents.  
8. use the right tool. Do not  
force tool or attachment to do a job  
for which it was not designed.  
4. do not use in dangerous  
environment. Do not use pneu-  
matic tools in damp or wet locations,  
or where any flammable or noxious  
fumes may exist. Keep work area  
well lighted.  
9. do not use under the  
influence of drugs or  
alcohol.  
-1-  
Model H8234 28° Framing Nailer  
 
safety instructions for pneumatic tools  
17. disconnect tools before ser-  
vicing, changing accessories, or  
moving to another location.  
10. use proper air hose for the  
tool. Make sure your air hose is in  
good condition and is long enough  
to reach your work without stretch-  
ing.  
18. do not overreach. Keep  
proper footing/balance at all times.  
11. Wear proper apparel. Do  
not wear loose clothing, gloves,  
neckties, rings, bracelets, or other  
jewelry which may get caught in  
moving parts. Non-slip footwear is  
recommended. Wear a protective  
hair covering to contain long hair.  
19. use  
the  
recommended  
accessories. Consult owner’s  
manual for recommended acces-  
sories. The use of improper acces-  
sories may cause risk of injury.  
20. checK for damaged parts  
before using. Check for bind-  
ing and alignment of parts, broken  
parts, part mounting, loose bolts,  
and any other conditions that may  
affect machine operation. Repair or  
replace damaged parts.  
12. alWaysusesafetyglasses.  
Also use a face or dust mask if cut-  
ting operation is dusty. everyday  
eyeglasses only have impact resis-  
tant lenses, they are NOT safety  
glasses.  
21. never leave unattended  
tool connected to air.  
Disconnect the air hose and do not  
leave tool until it is relieved of any  
built up pressure.  
13. Wear approved hearing  
protection. Air escaping from  
pneumatic tools can exceed safe  
exposure limits and may cause  
hearing damage with prolonged  
exposure.  
22. never alloW untrained  
users to use this tool  
While unsupervised.  
14. secure WorK. Use clamps or a  
vise to hold work when practical. It  
is safer than using your hand and  
frees both hands to operate tool.  
23. if you are unsure of the  
intended operation, stop  
using tool. Seek formal training  
or research books or magazines  
that specialize in pneumatic tools.  
15. maintain tools With care.  
Keep tools lubricated and clean  
for best and safest performance.  
Follow instructions for lubricating  
and changing accessories.  
24. be aWare of hose location  
When  
using  
pneumatic  
tools. Hoses can easily become  
a tripping hazard when laid across  
the floor or spread out in a disorga-  
nized fashion.  
16. reduce  
the  
risK  
of  
unintentional firing. Do not  
carry tool with hand on trigger and  
always disconnect from air when  
not in use.  
-2-  
Model H8234 28° Framing Nailer  
 
additional safety instructions for nailers  
1. hand inJuries: Do not place your  
hands near the nail point of entry. A  
nail can deflect and tear through the  
surface of the workpiece, puncturing  
your hand or fingers.  
6. hose usage: Make sure your air  
hose is designed for the tool in use, is  
in good condition, and is long enough  
to reach your work without stretching.  
However, an overly long air hose in  
the work area may be a tripping haz-  
ard.  
7. operating Questions: If you  
are not sure about the intended oper-  
ation, stop using the nailer. Seek  
formal training.  
8. cleaning: Never use gasoline or  
other flammable liquids to clean the  
nailer; vapors in the nailer will ignite  
by a spark and cause it to explode.  
9. maintenance: Always disconnect  
air from the nailer when servicing or  
installing nails. During maintenance,  
a nailer connected to air may fire acci-  
dentally, causing serious personal  
injury.  
2. combustible gases: Never con-  
nect the nailer to pressurized oxy-  
gen or other combustible gases as a  
power source. Only use filtered, lubri-  
cated, and regulated compressed air.  
3. safe handling: Never point the  
nailer at others! Do not keep the trig-  
ger pulled when loading fasteners,  
carrying, or holding tool. Carry the  
nailer only by the handle, never by  
any other part. Do not carry the nailer  
by the air hose. Disconnect the nailer  
from the air hose when going up and  
down ladders.  
4. modifications: DO NOT modify  
this tool or bypass the safety nose  
mechanism.  
5. checK valve: Do not use a check  
valve or any other fitting that allows  
air to remain in the tool.  
10. compressed air rating: Do  
not connect the nailer to compressed  
air that exceeds 120 PSI.  
-3-  
Model H8234 28° Framing Nailer  
 
never point this nailer at yourself or  
another person! always pay attention  
to the direction this nailer is pointed.  
use this tool with respect and caution  
to lessen the possibility of operator or  
bystander injury. ignoring this warn-  
ing may result in serious personal  
injury.  
read the manual before operation.  
become familiar with this nailer, its  
safety instructions, and its operation  
before beginning any work. serious  
personal injury may result if safety or  
operational information is not under-  
stood or followed.  
nailer accidents routinely happen  
while moving the gun to another  
location, such as up ladders, to  
another room, or even another job  
site. always disconnect the gun  
immediately after use and never  
transport the gun while connected to  
the aireven if the air compressor is  
disconnected from its power source!  
no list of safety guidelines can be  
complete. every shop environment  
is different. always consider safety  
first, as it applies to your individu-  
al working conditions. use this and  
other tools with caution and respect.  
failure to do so could result in seri-  
ous personal injury, damage to equip-  
ment or poor work results.  
operating this nailer can propel  
objects into the air, causing imme-  
diate eye damage. to protect your-  
self, always wear american national  
standards institute (ansi) approved  
safety glasses or goggles when oper-  
ating this equipment. in addition, this  
nailer discharges at up to 85-90 deci-  
bels. to protect your hearing, always  
wear ansi approved ear protection  
when operating this nailer.  
-4-  
Model H8234 28° Framing Nailer  
 
introduction  
foreword  
contact info  
We are proud to offer the Grizzly Model  
H8234 28° Framing Nailer. This model  
is part of a growing Grizzly family of fine  
pneumatic tools. When used according to  
the guidelines set forth in this manual, you  
can expect years of trouble-free, enjoyable  
operation and proof of Grizzly’s commit-  
ment to customer satisfaction.  
If you have any comments regarding this  
manual, please contact us:  
Grizzly Industrial, Inc.  
C/O Technical Documentation Manager  
P.O. Box 2069  
Bellingham, WA 98227-2069  
The specifications, details, and photo-  
graphs in this manual represent the Model  
H8234 as supplied when the manual was  
prepared. However, owing to Grizzly’s pol-  
icy of continuous improvement, changes  
may be made at any time with no obliga-  
tion on the part of Grizzly.  
Most importantly, we stand behind our  
tools. If you have any service questions or  
parts requests, please call or write us at  
the location listed below.  
Grizzly Industrial, Inc.  
1203 Lycoming Mall Circle  
Muncy, PA 17756  
Phone: (570) 546-9663  
Fax: (800) 438-5901  
tool data  
Nail Size ...................... 18" Shank Diameter  
Nail Strip Angle...............28º Clipped Head  
Nail Length .......................................2"-3½"  
Magazine Capacity.................. 2 x 25 Nails  
Air Inlet ...........................................¼" NPT  
Weight ............................................ 834 lbs.  
Operating Pressure .................. 80-110 PSI  
Maximum Air Pressure.................. 120 PSI  
-5-  
Model H8234 28° Framing Nailer  
 
set up  
unpacking  
inventory  
Your new nailer was carefully packaged for  
safe shipping. If you discover any damage  
after you have signed for delivery, immedi-  
ately call Customer Service at (570) 546-  
9663 for advice.  
After you open the nailer box, you should  
find the following.  
model h8234 inventory (figure 1)  
Qty  
a. 28° Framing Nailer............................. 1  
b. Safety Goggles ................................. 1  
c. Oil....................................................... 1  
d. Hex Wrench Set (3–6mm) ................. 1  
e. Carrying Case.................................... 1  
Save the containers and all packing mate-  
rials for possible inspection by the car-  
rier or its agent. Otherwise, filing a freight  
claim can be difficult.  
When you are completely satisfied with  
the condition of the shipment, you should  
inventory the contents.  
A
B
D
C
e
figure 1. Model H8234 inventory.  
-6-  
Model H8234 28° Framing Nailer  
 
compressed air  
system  
The Model H8234 is designed to be oper-  
ated at 80-110 PSI using clean, dry, regu-  
lated, compressed air. do not exceed  
the 120 psi maximum operating pres-  
sure for your model.  
Before using your new nailer, regulate the  
air pressure to find the optimum setting  
within the specified operating range. Start  
by testing the nailer at a low setting, then  
increase the air pressure as needed for  
satisfactory results.  
exceeding the maximum permissible  
operating pressure may damage the  
nailer and cause it to malfunction. to  
protect yourself from personal injury,  
do not allow the air pressure to  
exceed the recommended pressure  
for this nailer!  
An in-line filter/lubricator/regulator unit can  
be installed, as depicted in figure 2.  
Check the current Grizzly catalog for avail-  
ability of this unit. If you plan on install-  
ing a filter/lubricator/regulator unit in your  
compressed air system, always follow the  
connection instructions that come with  
the unit.  
This filter/lubricator/regulator unit will  
protect your tool from damaging water  
build-up, allow you to adjust and maintain  
constant air pressure to your tool, and  
save you the inconvenience of having to  
manually lubricate your tool every time  
you use it.  
Quick  
Connector  
Quick  
Connector  
Lubricator  
Regulator  
Your  
Tool  
Air  
Compressor  
Quick  
Coupler  
Quick  
Coupler  
Air Hose  
Filter  
figure 2. Typical filter/lubricator/regulator installation order.  
-7-  
Model H8234 28° Framing Nailer  
 
5. Without pressing the trigger, depress  
the safety nose mechanism against a  
scrap piece of wood that is clean and  
free of any knots, nails, or other foreign  
objects.  
safety nose  
mechanism  
A safety mechanism (bump fire) on the  
nose of the nailer protects against acci-  
dental firing. When the trigger is pressed,  
the nailer will not fire until the safety nose  
mechanism is depressed.  
— If the nailer does not fire, then the  
safety nose mechanism is working  
correctly.  
— If the nailer does fire when you  
do this, immediately disconnect the  
nailer from the air supply and call  
Grizzly Technical Support at (570)  
546-9663 for help.  
Before you use your nailer for the first  
time, check the safety nose mechanism to  
ensure proper function.  
to check the safety nose mechanism:  
— If the nailer does fire when the  
trigger is pulled, without the safety  
nose mechanism being depressed,  
then the nailer is not working  
properly.  
1. DISCONNeCT NAILeR FROM THe  
AIR SUPPLY!  
2. Make sure the magazine is empty and  
contains no nails.  
— If you find that the safety nose  
mechanism is not depressing  
properly, check the lubrication of its  
sliding components.  
3. Make sure the trigger and the safety  
nose mechanism move up and down  
without sticking.  
4. Connect the nailer to the air supply.  
do not attempt to modify or bypass  
the safety nose mechanism to make  
the nailer fire without pushing the  
safety nose down.  
the safety mechanism is a mechanical  
device that can fail. never rely on this  
mechanism as an excuse to point the  
nailer at yourself or any bystanders.  
serious injury may occur.  
-8-  
Model H8234 28° Framing Nailer  
 
operations  
loading  
When replacing nails in your model  
h8234, follow these guidelines:  
Nail Size ...................... 18" Shank Diameter  
Nail Strip Angle...............28º Clipped Head  
Length..............................................2"–312  
"
Magazine Capacity.................. 2 x 25 Nails  
figure 4. Loading nails into magazine.  
to load your nailer:  
4. Tilt the nailer to slide the nails all the  
way down to the nose.  
1. DISCONNeCT NAILeR FROM THe  
AIR SUPPLY!  
5. With one hand on the magazine pusher  
for control, release the magazine catch  
and slowly allow the pusher to press  
against the nails.  
2. Grip the nailer firmly, and pull the  
magazine pusher back until the catch  
lever engages, as shown in figure 3.  
operating  
if you have not read the safety instruc-  
tions in this manual, do not operate the  
nailer.  
Before you operate your nailer, place five  
to six drops of the included oil into the  
quick connect fitting where the nailer con-  
nects to the air supply.  
Pusher  
figure 3. Sliding magazine pusher back  
and engaging catch lever.  
to operate your nailer:  
3. Insert a strip of nails, pointed-end  
down, into the magazine as shown in  
figure 4.  
1. Connect the air supply to the quick con-  
nect fitting.  
2. To test for proper nail penetration, hold  
the nailer perpendicular to the surface  
of a piece of clean scrap wood that is  
thick enough for the length of nails you  
have loaded.  
-9-  
Model H8234 28° Framing Nailer  
 
3. Depress the safety nose mechanism  
against your workpiece.  
adjusting depth  
4. Before pulling the trigger, make sure  
your free hand and other body parts  
are positioned out of the way of a  
potential path of a nail in case of deflec-  
tion.  
The depth of nail penetration is adjusted  
with the cap screw that secures the safety  
nose.  
to adjust the depth:  
Deflection is caused when grain  
irregularities, knots, or foreign  
objects inside the wood cause the  
nail to change its path, resulting in  
the nail puncturing the surface of the  
workpiece, as shown in figure 5.  
1. DISCONNeCT NAILeR FROM THe  
AIR SUPPLY!  
2. Using a 4mm hex wrench, loosen the  
cap screw shown in figure 6.  
3. Move the safety nose away from the  
nailer to decrease nail depth, and  
toward the nailer to increase nail  
depth.  
Besides damaging your workpiece,  
deflection can cause injury if your free  
hand is securing the workpiece in the  
location that the nail deflects.  
Safety Nose  
Cap Screw  
figure 6. Loosening cap screw for depth  
adjustment.  
figure 5. example of nail deflection.  
5. Pull the trigger.  
4. Re-tighten the cap screw, then connect  
the nailer to the air supply and test the  
nail depth.  
— If the nail drove into the wood far  
enough, continue with your intended  
operations.  
5. Repeat steps 2–4, if necessary, until  
the nail depth is satisfactory.  
— If the nail either went too far or not  
far enough, then go to the adjusting  
depth section on this page.  
-10-  
Model H8234 28° Framing Nailer  
 
clearing Jammed  
nails  
A jammed nail must be cleared before  
using the nailer again.  
Nose Opening  
to clear a jammed nail from the dis-  
charge area:  
figure 7. Nose opening for clearing a  
jammed nail.  
1. DISCONNeCT NAILeR FROM THe  
AIR SUPPLY!  
5. Dislodge the jammed nail with a tool  
that will fit in the slot on the underside  
of the nose.  
2. Pull back and latch the magazine push-  
er.  
6. Throw the damaged nail away and  
insert a new nail stick that only contains  
clean, undamaged nails. DO NOT use  
dirty or damaged nails!  
3. Remove the nail stick from the maga-  
zine.  
4. Locate the opening in the underside of  
the nailer safety nose (see figure 7).  
7. Release the catch lever and slowly  
let the pusher slide to the front of the  
magazine.  
-11-  
Model H8234 28° Framing Nailer  
 
6. Watch the discharge area and push the  
top of the piston with your finger. You  
will see the piston shaft slide down the  
discharge area.  
replacing pistons/o-  
rings  
Under heavy use, a piston, piston shaft,  
or O-ring may wear out. Replacement  
is quick and easy. Contact Grizzly  
Customer Service at (800) 523-4777 to  
obtain the Piston Repair Kit (Part Number  
PH8234092), or the complete O-Ring  
Repair Kit (Part Number PH8234093).  
7. Taking care not to scratch or dent the  
nailer parts, use a wooden dowel or  
similarly shaped tool to push the piston  
shaft back inside the nailer until you  
can grip the piston head and remove  
it from the cylinder. Clean and inspect  
the parts for cracks, wear, or burrs.  
8. Place a new O-ring on the new piston  
and apply a thin film of the nailer lubri-  
cating oil on the O-ring.  
9. Insert the new piston in the cylinder.  
Make sure that the grooves on the pis-  
ton shaft line up with those on the guide  
at the bottom of the cylinder. The new  
piston should easily slide into the cyl-  
inder. do not force the piston into  
the cylinder! If the piston is not easily  
inserted, double-check the alignment of  
the piston shaft with the grooves on the  
guide.  
always disconnect air from nailer  
whenever servicing! during mainte-  
nance, a nailer connected to air may  
fire accidentally, causing serious per-  
sonal injury!  
10. After the piston is inserted correctly,  
close the magazine. Replace the rear  
cap assembly and tighten the 4 cap  
screws.  
to replace a piston:  
1. DISCONNeCT NAILeR FROM THe  
AIR SUPPLY!  
note: For more assistance, or to install  
a complete O-ring set, refer to the  
appropriate breakdown diagram in the  
back of this manual for component  
locations.  
2. Remove all nails from the magazine  
cartridge, and clean the exterior of the  
nailer.  
3. Remove the four cap screws on the  
back of the nailer, near the exhaust  
port.  
4. Remove the cap.  
5. The top of the piston should now be  
visible inside the cylinder, which is  
housed in the head of the nailer.  
-12-  
Model H8234 28° Framing Nailer  
 
accessories  
h3175—14" npt female, Quick coupler  
g8114—38" x 25 ft. air hose  
h3176—14" npt male, Quick coupler  
h3177—14" npt male, plug  
g8115—38" x 50 ft. air hose  
g8116—38" x 100 ft. air hose  
Multi-purpose red rubber air hose is flex-  
ible and abrasion resistant. Rated for 200  
h3178—14" npt female, plug  
PSI, this air hose has a bursting strength  
H3175  
H3176  
H3177  
1
of 800 PSI  
4" NPT ends.  
H3177  
figure 8. 14" NPT air fittings.  
3
h3258—filter/lube/regulator 8"npt  
h3259—filter/lube/regulator 2"npt  
1
figure 10. Red rubber air hose.  
These units are indispensable for prolong-  
ing the lifespan of your air tools. Filter  
keeps water/rust out. Lubricator features  
adjustable automatic lubrication. Regulator  
allows you to control the optimum PSI  
delivery for each air tool. Maximum pres-  
sure for each unit is 150 PSI.  
h3275—14" x 25' recoil air hose  
h3275—14" x 50' recoil air hose  
These recoil air hoses are ideal for nail-  
ers and staplers because they are light  
weight and offer maneuverability in tight  
places that is unmatched by rubber hoses.  
Coiled springs protect the ends from kink-  
ing. (Prices are less than you'll spend on  
lunch!)  
H3258  
H3259  
figure 9. Models H3258 & H3259  
FilterLubricator/Regulators.  
figure 11. Recoil air hose.  
g2820—pneumatic tool oil 8 oz.  
g2821—pneumatic tool oil 1 pint  
Use the right oil! This pneumatic tool oil  
offers outstanding heat displacement and  
friction reduction without eating away at  
delicate air components like detergent  
motor oils. Stock up with extra bottles to  
avoid costly downtime.  
-13-  
Model H8234 28° Framing Nailer  
 
cleaning & lubrication  
cleaning  
lubricating  
Use non-flammable solvent to clean the  
nose assembly of the nailer. Always be  
sure that the nailer is dry before using it  
again.  
Standard pneumatic tool oil has been  
included with your new Grizzly nailer to  
help maintain its useful life. Place two to  
six drops of oil in the nailer air inlet (as  
shown in figure 12) before every use, or  
after 2 hours of continuous use.  
Do not allow dust, chips, sand, etc. into  
the air connectors or into the body of the  
nailer; this may result in leaks and damage  
to the nailer and the air couplings.  
Wipe off any excess oil near the nailer  
exhaust to avoid dust build-up. When the  
oil that was included with the nailer has  
been completely used, replace with Grizzly  
Model G2820 Pneumatic Tool Oil.  
Another option to manual oiling would be  
to install a lubricator in your air compres-  
sor line. If your air compressor line already  
has a lubricator, then regular lubrication  
of your nailer will not be necessary. Just  
make sure there is always oil in the lubri-  
cator.  
never clean this tool with gasoline  
or other flammable liquids. vapors  
in the tool may ignite, causing the  
tool to explode. ignoring this warning  
may lead to serious personal injury or  
even death!  
figure 12. Lubricating nailer via air inlet.  
-14-  
Model H8234 28° Framing Nailer  
 
h8234 parts breaKdoWn  
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-15-  
Model H8234 28° Framing Nailer  
 
h8234 parts list  
REF PART #  
DESCRIPTION  
REF PART #  
DESCRIPTION  
1
PSB31M  
CAP SCREW M8-1.25 X 25  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
95  
96  
97  
98  
99  
PH8234051 SAFETY NOSE  
2
PH8234002 EXHAUST PORT  
PH8234003 SPACER  
PH8234052 COPPER COLLAR  
PH8234053 SAFETY NOSE CASE  
3
4
PH8234004 CIRCULAR SPRING  
PH8234005 RETAINING RING  
PORS060  
O-RING 59.5 X 2.0 S60  
5
PH8234055 DRIVE GUIDE  
6
PSB06M  
PLW03M  
CAP SCREW M6-1 X 25  
LOCK WASHER 6MM  
PLW04M  
PSB13M  
PSB26M  
LOCK WASHER 8MM  
7
CAP SCREW M8-1.25 X 30  
CAP SCREW M6-1 X 12  
8
PH8234008 CYLINDER PLUG  
PSS07M SET SCREW M5-.8 X 5  
9
PH8234059 MAGAZINE  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
PH8234010 CYLINDER COVER  
PH8234011 PISTON STOP  
PW03M  
PN01M  
FLAT WASHER 6MM  
HEX NUT M6-1  
PH8234012 SPRING SEAT  
PH8234062 PUSHER  
PH8234013 COMPRESSION SPRING  
PH8234014 SPECIAL WASHER  
PH8234015 PISTON COLLAR  
PSB18M  
PN04M  
CAP SCREW M4-.7 X 8  
HEX NUT M4-.7  
PSB46M  
CAP SCREW M4-.7 X 40  
POR0079  
O-RING 42.3 X 5  
PH8234066 SAFETY SHAFT  
PH8234067 SAFETY SHAFT CASING  
PH8234068 PIN CASING  
PH8234069 PIN  
PH8234017 PISTON  
PORG055  
POR0080  
O-RING 54.4 X 3.1 G55  
O-RING 88 X 3  
PH8234020 THREADED RETAINING RING  
PH8234021 SEALING RING  
PH8234022 CYLINDER  
PH8234070 PUSHER CATCH  
PRP42M  
PRP03M  
PSB93M  
PN07M  
ROLL PIN 3 X 20  
ROLL PIN 5 X 20  
CAP SCREW M3-.5 X 14  
HEX NUT M3-.5  
PH8234023 BUMPER  
PH8234024 GASKET  
PH8234025 NAILER BODY  
PH8234026 SPACER  
PH8234075 PIN B4 X 30  
PH8234076 TORSION SPRING  
PH8234077 SPRING CORE  
PH8234078 PIN B5 X 12  
PH8234027 PISTON VALVE SEAT  
PORP015  
PORS018  
O-RING 14.8 X 2.4 P15  
O-RING 17.5 X 1.5 S18  
PH8234079 RELEASE LATCH  
PH8234080 LATCH SPRING  
PH8234030 PISTON VALVE  
PORP006  
PORP007  
PORP009  
O-RING 5.8 X 1.9 P6  
O-RING 6.8 X 1.9 P7  
O-RING 8.8 X 1.9 P9  
PSB38M  
PW02M  
CAP SCREW M5-.8 X 25  
FLAT WASHER 5MM  
PH8234083 LATCH BRACKET  
PN06M HEX NUT M5-.8  
PH8234034 COMPRESSION SPRING  
PH8234035 TRIGGER SHAFT  
PH8234085 RUBBER GRIP  
PH8234086 GASKET  
PORS003  
PORP020  
O-RING 2.5 X 1.5 S3  
O-RING 19.8 X 2.4 P20  
PH8234087 END CAP  
PH8234038 TRIGGER SEAT  
PH8234039 TRIGGER PIN  
PH8234040 TRIGGER  
PSB15M  
PLW01M  
CAP SCREW M5-.8 X 20  
LOCK WASHER 5MM  
PH8234090 AIR QUICK CONNECT  
PH8234091 AIR QUICK CONNECT CAP  
PH8234092 PISTON REPAIR KIT  
PH8234093 O-RING REPAIR KIT  
PH8234094 CARRYING CASE  
PH8234041 RUBBER RETAINING RING  
PH8234042 SAFETY CATCH  
PRP02M  
PH8234044 SLIDING BRACKET  
PRP16M ROLL PIN 3 X 25  
PH8234046 COMPRESSION SPRING  
ROLL PIN 3 X 16  
PH8234095 SAFETY GOGGLES  
PAW03M  
PAW04M  
PAW05M  
PAW06M  
HEX WRENCH 3MM  
HEX WRENCH 4MM  
HEX WRENCH 5MM  
HEX WRENCH 6MM  
PSB03M  
PW02M  
CAP SCREW M5-.8 X 8  
FLAT WASHER 5MM  
PH8234049 ADJUSTING NUT  
PH8234050 SAFETY YOKE  
-16-  
Model H8234 28° Framing Nailer  
 
troubleshooting  
symptom  
Air leaking at trig-  
possible cause  
1. O-rings in trigger valve hous-  
solution  
1. O-rings must be replaced  
& operation of safety nose  
must be checked.  
ing are damaged.  
ger valve area.  
Air leaking.  
1. Loose screws in housing.  
2. Damaged O-ring(s).  
3. Loose air fitting.  
1. Tighten screws.  
2. Replace O-ring(s).  
3. Tighten air fitting & use tef-  
lon tape.  
4. Damaged housing gasket(s).  
4. Replace gasket(s).  
Tool skips nails  
while discharging.  
1. excessive air pressure.  
2. Air leaks.  
3. Dirt in nose.  
1. Reduce air pressure to tool.  
2. Tighten screws and fittings.  
3. Clean nose.  
4. Dirt or damage prevents nails  
from moving freely in maga-  
zine.  
4. Clean magazine and  
inspect/repair damage.  
5. Inadequate air flow to tool.  
5. Check fitting, hose, com-  
pressor & air pressure.  
6. Replace piston O-ring.  
Lubricate.  
6. Worn O-ring on piston or lack  
of lubrication.  
7. Damaged O-rings on trigger  
valve.  
7. Replace trigger valve O-  
rings.  
8. Worn bumper.  
9. Cap seal leaking.  
8. Replace bumper.  
9. Replace cap seal.  
Tool runs slowly  
or has a loss of  
power.  
1. Undersized air hose.  
2. Nailer is not lubricated.  
3. Broken spring in cap assem-  
bly.  
1. Use a larger air hose.  
2. Lubricate nailer.  
3. Replace spring.  
4. exhaust port in cap is blocked. 4. Clean or replace damaged  
internal parts.  
5. Air pressure too low.  
5. Increase air pressure.  
Fasteners frequent- 1. Nails are the wrong size.  
1. Use correct nails.  
2. Use undamaged, clean  
nails.  
ly jam the nailer.  
2. Nails are bent or dirty.  
3. Magazine or nose screws are  
loose.  
3. Tighten magazine.  
4. Replace worn or damaged  
parts.  
5. Use correct angle nails.  
4. Driver or driver guide are worn  
or damaged.  
5. Nails are wrong angle.  
Nailer does not fire. 1. Nailer is not lubricated.  
1. Lubricate nailer.  
2. Nail is jammed in magazine or 2. Clear nailer magazine or  
discharge area.  
discharge area.  
3. Piston shaft is damaged.  
4. Air pressure too low.  
3. Replace piston shaft.  
4. Check/increase air pres-  
sure.  
-17-  
Model H8234 28° Framing Nailer  
 
Warranty and returns  
Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original  
purchaser from the date of purchase. This warranty does not apply to defects due directly or  
indirectly to misuse, abuse, negligence, accidents, repairs or alterations or lack of mainte-  
nance. This is Grizzly’s sole written warranty and any and all warranties that may be implied  
by law, including any merchantability or fitness, for any particular purpose, are hereby limited  
to the duration of this written warranty. We do not warrant or represent that the merchandise  
complies with the provisions of any law or acts unless the manufacturer so warrants. In no  
event shall Grizzly’s liability under this warranty exceed the purchase price paid for the prod-  
uct and any legal actions brought against Grizzly shall be tried in the State of Washington,  
County of Whatcom.  
We shall in no event be liable for death, injuries to persons or property or for incidental,  
contingent, special, or consequential damages arising from the use of our products.  
To take advantage of this warranty, contact us by mail or phone and give us all the details.  
We will then issue you a “Return Authorization Number,” which must be clearly posted on  
the outside as well as the inside of the carton. We will not accept any item back without this  
number. Proof of purchase must accompany the merchandise.  
The manufacturers reserve the right to change specifications at any time because they  
constantly strive to achieve better quality equipment. We make every effort to ensure that  
our products meet high quality and durability standards and we hope you never need to use  
this warranty.  
Please feel free to write or call us if you have any questions about the machine or the  
manual.  
grizzly industrial, inc.  
1203 lycoming mall circle  
muncy, pa 17756  
phone: (570) 546-9663  
fax: (800) 438-5901  
e-mail:  
techsupport@grizzly.com  
Web site: http://www.grizzly.com  
Thank you again for your business and continued support. We hope to serve you again  
soon!  
 

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