Grizzly Impact Driver G5792 User Manual

model g5791/g5792  
17-piece 12" impact Wrench &  
ratchet Kit  
instruction manual  
Copyright © MAy, 2008 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.  
#jM10705 printed in tAiWAn  
 
7. avoid entanglements. do not  
wear loose clothing, gloves, neck-  
ties, rings, bracelets, or other jewel-  
ry, which may get caught in moving  
parts, when operating this tool. Wear  
a protective hair covering to contain  
long hair.  
8. use correct air pressure.  
exceeding the maximum psi rating  
of this tool may cause unpredictable  
operation or bursting.  
9. disconnect air pressure  
before servicing, changing accesso-  
ries, or moving to another location.  
never leave this tool unattended  
when connected to air.  
10. secure tooling. Always verify  
tooling is secure before operation.  
11. sharp surfaces. do not  
place hands near the tooling sur-  
faces when in operation.  
12. remove adJusting Keys and  
Wrenches after use. these  
tools become dangerous projectiles  
if left on the tool when it is started.  
13. avoid flammables. do not use  
this tool around any flammables that  
may be ignited by sparks.  
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.  
15. maintain tools With care.  
Keep tools lubricated and clean  
for best and safest performance.  
Follow instructions for lubricating  
and changing accessories.  
16. do not force tool. it will do  
the job better and safer at the rate  
for which it was designed.  
17. 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 operation. repair or replace  
damaged parts before operating.  
18. use good lighting. Keep work  
area well lighted. dark work areas  
increase risk of accidental injury.  
19. avoid unintentional opera-  
tion. Always disconnect air when  
not in use, and do not carry tool with  
hand on trigger.  
20. use  
the  
recommended  
accessories. Consult owners  
manual for recommended acces-  
sories. using improper accessories  
may increase the risk of injury.  
21. never alloW untrained  
users to use this tool While  
unsupervised.  
22. if you are unsure of the  
intended operation, stop  
using tool. seek formal training  
or research books or magazines that  
specialize in pneumatic tools.  
23. be aWare of hose location.  
hoses can easily become a tripping  
hazard when laid across the floor in  
a disorganized fashion.  
24. do not use under the  
influence of drugs or  
alcohol, or When tired.  
no list of safety guidelines is complete,  
because every work environment is  
different. always consider safety first  
and use common sense. failure to  
use this tool with caution and respect  
could result in serious personal  
injury.  
1
-2-  
Model g5791/g5792 17-piece 2" impact Wrench and ratchet Kit  
 
inventory  
1
4" npt  
Air  
Fitting  
C
B
d
A
F
g
i
e
h
j
Case  
lubricator  
ratchet  
2" impact Wrench  
ITEM  
G5791  
9mm  
G5792  
7/16"  
1/2"  
9/16"  
5/8"  
11/16"  
3/4"  
13/16"  
15/16"  
7/8"  
A
B
C
D
E
F
G
H
I
1
10mm  
11mm  
13mm  
14mm  
17mm  
19mm  
22mm  
24mm  
27mm  
tool oil Bottle  
4mm hex Wrench  
J
1"  
figure 1. Model g5791/g5792 inventory.  
1
Model g5791/g5792 17-piece 2" impact Wrench and ratchet Kit  
-3-  
 
operations  
impact Wrench  
specifications  
drive size............................................... 12  
"
Bolt size Capacity ...................58" or 16mm  
no-load speed ........................ 7,000 rpM  
Maximum torque .......................... 260 ft/lb  
Air inlet size ...................................14" npt  
Air Consumption........................... 4.5 CFM  
operating pressure ......................... 90 psi  
Maximum operating pressure....... 120 psi  
Weight .................................................3 lbs  
read the manual before operation.  
become familiar with this tool, its  
safety instructions, and its operation  
before beginning any work. serious  
personal injury may result if safety  
or operational information is not  
understood or followed.  
ratchet specifications  
drive size............................................... 12  
"
no-load speed ........................... 160 rpM  
Maximum torque ............................ 50 ft/lb  
Air inlet size ...................................14" npt  
Air Consumption.............................. 4 CFM  
operating pressure ......................... 90 psi  
Maximum operating pressure....... 120 psi  
Weight ..............................................1.5 lbs  
lung/ear  
inJury hazard!  
Wear protective  
equipment when  
using this tool.  
air supply  
accidental  
start hazard!  
disconnect before  
service or tool  
changes.  
the impact wrench and ratchet requires 90  
psi to operate correctly. to improve air tool  
lifespan, use the filter/lubricator/regulator  
setup shown in figure 2, or install the  
included in-line lubricator dircectly to the  
air line.  
air pressure  
hazard!  
never exceed 120  
psi.  
Quick  
Connector  
Quick  
Connector  
Lubricator  
Regulator  
Your  
Tool  
Air  
Compressor  
eye inJury  
hazard!  
Wear protective  
equipment when  
using these tools.  
Quick  
Coupler  
Quick  
Coupler  
Air Hose  
Filter  
figure 2. installed filter lubricator  
regulator.  
1
-4-  
Model g5791/g5792 17-piece 2" impact Wrench and ratchet Kit  
 
impact Wrench  
Forward/reverse dial  
your new 12" drive impact wrench (figure  
3) generates up to 260 ft/lbs. of torque.  
only use thick-walled impact sockets  
with this air tool. the common thin-walled  
chrome sockets may explode if used as  
impact sockets, causing serious injury.  
At the end of the handle you can adjust the  
torque setting by pushing the knob in and  
turning the knob to 1, 2, 3, or 4; 1 is the  
lowest torque setting.  
figure 4. ratchet locations.  
daily maintenance  
your impact wrench and ratchet Must  
have 2-6 drops of oil directly dropped  
into the air fitting before each use. in  
addition, we recommend using an in-line  
filter, lubricator, and regulator, as shown in  
figure 2 or the included in-line lubricator.  
if an in-line lubricator is not used, add 2-3  
drops of oil into the tool air inlet every 2  
hours of continued use.  
to change the impact rotation, push the  
slide button toward the front of the gun  
for clockwise rotation and to the rear for  
counterclockwise rotation.  
these procedures should be done  
after each use:  
torque setting  
Before putting the impact wrench or  
ratchet away, put 2-6 drops of oil into  
the air supply fitting and momentarily  
operate the tool to distribute the oil  
inside.  
rotation Button  
figure 3. impact wrench control locations.  
ratchet  
your new ratchet (figure 4) generates up  
to 50 ft/lbs. of torque and delivers up to  
160 rpM.  
Wipe the tool exterior and sockets with  
a slightly oiled cloth. your goal is to  
leave a light film of oil on the tools to  
prevent rust.  
to change the rotation, adjust the forward/  
reverse dial, as shown in figure 4.  
1
Model g5791/g5792 17-piece 2" impact Wrench and ratchet Kit  
-5-  
 
impact Wrench  
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REFPART #  
DESCRIPTION  
REFPART #  
DESCRIPTION  
1
2
3
4
5
6
7
8
9
P5791001 HOUSING  
26 P5791026 ROTOR BLADE  
P5791002 VALVE BUSHING  
27 P5791027 REAR CYLINDER PLATE  
28 P5791028 BALL BEARING  
29 P5791029 FRONT CYLINDER PLATE  
30 P5791030 ROLL PIN  
P5791003 REVERSE VALVE  
P5791004 TRIGGER  
P5791005 ROLL PIN  
P5791006 VALVE STEM  
31 P5791031 COMPRESSION SPRING  
32 P5791032 PIN  
P5791007  
AIR INLET 1/4 NPT  
P5791008 BALL SEAT  
P5791009 COMPRESSION SPRING  
33 P5791033 GASKET  
34 P5791034 REAR COVER  
35 P5791035 CAP SCREW  
10 P5791010 STEEL BALL  
11 P5791011 AIR COVER  
12 P5791012 AIR REGULATOR  
13 P5791013 O-RING  
36 P5791036 LOCK WASHER  
37 P5791037 FRONT RUBBER  
38 P5791038 EXAHUST DEFELCTOR  
39 P5791039 PHLP HD SCREW  
40 P5791040 PILOT SET SCREW  
41 P5791041 ANVIL COLLAR  
42 P5791042 O-RING  
14 P5791014 COMPRESSION SPRING  
15 P5791015 REAR OIL SEAL  
16 P5791016 SET SCREW  
17 P5791017 BUSHING  
18 P5791018 ANVIL 1/2" DRIVE  
19 P5791019 HAMMER CAGE  
20 P5791020 HAMMER PIN  
21 P5791021 HAMMER DOG  
22 P5791022 DRIVE CAM  
23 P5791023 ROLL PIN  
43 P5791043 REAR RUBBER BUMPER  
44 P5791044 SET SCREW  
45 P5791045 FRONT OIL SEAL  
*46 P5791046 O-RING KIT  
47 P5791047 AIR FITTING 1/4 NPT MALE  
48 PAW04M HEX WRENCH 4MM  
24 P5791024 CYLINDER  
25 P5791025 ROTOR  
49 P5791049 IN-LINE LUBRICATOR  
50 P5791050 CARRYING CASE  
* not included with impact wrench or ratchet; for aftermarket purchase only  
1
-6-  
Model g5791/g5792 17-piece 2" impact Wrench and ratchet Kit  
 
ratchet  
&)(  
&(,  
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&)&  
&)'  
&&%  
&%.  
&%-  
&',  
&''  
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&((  
&()  
&)+  
&),  
&(+  
&(-  
&&)  
&&,  
&%,  
&))  
&'-  
&%*  
&&+  
&'.  
&(.  
&&-  
&&.  
&'%  
&(%  
&%'  
&&*  
&'&  
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&&'  
&&(  
ꢀ&)*  
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&*&  
&*'  
&*(  
&*)  
&**  
REF PART #  
DESCRIPTION  
HOUSING  
AIR INLET  
REF PART #  
P5791124  
DESCRIPTION  
101  
102  
103  
104  
105  
106  
107  
108  
109  
110  
111  
112  
113  
114  
115  
116  
117  
118  
119  
120  
121  
122  
123  
P5791101  
P5791102  
P5791103  
P5791104  
P5791105  
P5791106  
P5791107  
P5791108  
P5791109  
P5791110  
P5791111  
P5791112  
P5791113  
P5791114  
P5791115  
P5791116  
P5791117  
P5791118  
P5791119  
P5791120  
P5791121  
P5791122  
P5791123  
124  
125  
126  
127  
128  
129  
130  
131  
132  
133  
134  
135  
136  
137  
138  
139  
140  
141  
142  
143  
144  
IDLER GEAR PIN  
IDLER GEAR PLATE  
CLAMP NUT  
P5791125  
P5791126  
P5791127  
P5791128  
P5791129  
P5791130  
P5791131  
P5791132  
P5791133  
P5791134  
P5791135  
P5791136  
P5791137  
P5791138  
P5791139  
P5791140  
P5791141  
P5791142  
P5791143  
P5791144  
THROTTLE LEVER  
ROLL PIN  
BUSHING  
VALVE BUSHING  
VALVE STEM  
O-RING  
BUSHING  
CRANK SHAFT  
DRIVE BUSHING  
RATCHET YOKE  
COMPRESSION SPRING  
O-RING  
RATCHET ANVIL 1/2" DRIVE  
COMPRESSION SPRING  
STEEL BALL  
VALVE PLUG  
END PLATE CAP  
REAR BEARING  
REAR PLATE  
PAWL  
ANVIL PIN  
ROTOR  
FLAT WASHER  
THRUST WASHER  
INT RETAINING RING  
FORWARD/REVERSE DIAL  
COMPRESSION SPRING  
LOCK PIN  
ROTOR BLADE  
CYLINDER  
CYLINDER PIN  
FRONT PLATE  
FRONT BEARING  
SPECIAL WASHER  
THREAD RING GEAR  
RATCHET HOUSING  
IDLER GEAR  
ROLL PIN  
O-RING  
*145 P5791145  
O-RING KIT  
G5791 SOCKETS  
REF PART #  
G5792 SOCKETS  
REF PART #  
DESCRIPTION  
DESCRIPTION  
146  
147  
148  
149  
150  
151  
152  
153  
154  
155  
P5791146  
P5791147  
P5791148  
P5791149  
P5791150  
P5791151  
P5791152  
P5791153  
P5791154  
P5791155  
SOCKET 1/2 DRV X 9  
SOCKET 1/2 DRV X 10  
SOCKET 1/2 DRV X 11  
SOCKET 1/2 DRV X 13  
SOCKET 1/2 DRV X 14  
SOCKET 1/2 DRV X 17  
SOCKET 1/2 DRV X 19  
SOCKET 1/2 DRV X 22  
SOCKET 1/2 DRV X 24  
SOCKET 1/2 DRV X 27  
146  
147  
148  
149  
150  
151  
152  
153  
154  
155  
P5792146  
P5792147  
P5792148  
P5792149  
P5792150  
P5792151  
P5792152  
P5792153  
P5792154  
P5792155  
SOCKET 1/2 DRV X 7/16  
SOCKET 1/2 DRV X 1/2  
SOCKET 1/2 DRV X 9/16  
SOCKET 1/2 DRV X 5/8  
SOCKET 1/2 DRV X 11/16  
SOCKET 1/2 DRV X 3/4  
SOCKET 1/2 DRV X 13/16  
SOCKET 1/2 DRV X 15/16  
SOCKET 1/2 DRV X 7/8  
SOCKET 1/2 DRV X 1  
1
Model g5791/g5792 17-piece 2" impact Wrench and ratchet Kit  
-7-  
 

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