Grizzly Drill H8370 User Manual

MODEL H8370  
POWER FEED  
FOR MILL/DRILLS  
INSTRUCTIONS  
Specifications  
Motor ................................................. 110V 60Hz  
Speed ............................................... 4–200 RPM  
Maximum Torque .................................440 in./lb.  
Bevel Gear to Drive Gear Ratio ..................... 4:1  
Inventory  
Refer to Figure 1 and the table below to inventory  
the contents of the shipping box.  
REF PART #  
DESCRIPTION  
1
2
3
4
5
6
7
8
PH8370001  
PH8370002  
PH8370003  
PH8370004  
PH8370005  
PH8370006  
PH8370007  
PH8370008  
MOUNTING ASSEMBLY  
GEAR SAFETY COVER  
POWER FEED & LIMIT SWITCH ASSY  
LIMIT STOP  
Figure 1. Model H8370 inventory.  
LIMIT SWITCH BRACKET  
LEADSCREW GEAR  
RAPID SWITCH  
Wear safety glasses dur-  
ing the entire setup pro-  
cess!  
ZYTEL GEAR  
If any nonproprietary parts are missing (e.g. a  
washer or a spacer), we will gladly replace them;  
or for the sake of expediency, replacements can  
be obtained at your local hardware store.  
If you need help with your new power feed, call  
our Tech Support at: (570) 546-9663.  
COPYRIGHT © MARCH, 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.  
#TS10533 PRINTED IN TAIWAN  
 
4. Separate the two pieces of the mounting  
assembly, then place the table bracket over  
the lip of the table trough, as shown in  
Figure 5.  
9. Connect the electrical plugs of the mounting  
bracket and power feed.  
10. Position the assembly from Step 8 onto the  
table bracket so that the teeth of the drive  
gear and the leadscrew gear mesh exact-  
ly, then tighten the mounting bracket cap  
screws and the table bracket hex bolts (see  
Figures 7–8).  
Table  
Bracket  
Drive Gear  
Figure 5. Table bracket mounted on the lip of  
the table trough.  
Leadscrew Gear  
5. Mark the points on the table where the table  
bracket hex bolts make contact, then remove  
the bracket from the table.  
Figure 7. Power feed drive gear and leadscrew  
gear properly meshed.  
6. Spot drill the points marked in Step 5 to give  
the hex bolts a small spot to "bite" the table  
without slipping on the rough cast surface.  
7. Set the bracket back on the table and tighten  
down the hex bolts.  
8. Install the mounting bracket onto the power  
feed assembly with the two cap screws pro-  
vided, as shown in Figure 6, but do not yet  
fully tighten them.  
Electrical  
Plugs  
Figure 8. Installing the power feed and mounting  
bracket assembly onto the table bracket.  
Mounting  
Bracket  
Be sure there is enough running clearance  
between the table, spindle, vise/clamps, or  
jigs before turning the power feed ON. Be  
aware that all of these objects represent  
potential pinch points.  
Figure 6. Mounting bracket installed onto the  
power feed unit.  
-3-  
H8370 Power Feed for Mill/Drills  
 
11. Remove the backing from the adhesive tape  
on the gear safety cover flanges, then mount  
the cover on the assembly, as shown in  
Figure 9.  
14. Make sure the ON/OFF switch is in the OFF  
position, then connect the power feed unit to  
a grounded 110V power source.  
Electrocution or fire could  
result if machine is not  
grounded and installed in  
compliance with electrical  
codes. Compliance MUST  
be verified by a qualified  
electrician!  
Gear  
Safety  
Cover  
Maintenance  
Clean and lubricate the power feed gearing every  
three months of normal use.  
Figure 9. Installing the gear safety cover.  
1. DISCONNECT THE MILL/DRILL AND  
POWER FEED FROM POWER!  
12. Slide the T-nuts of the limit stops into the  
front slot of the table, and position them near  
the ends of the slots, then tighten the cap  
screws to secure them in place.  
2. Remove the gear safety cover.  
3. Remove the power feed assembly from the  
table bracket.  
13. Install the bracket and limit switch in the cen-  
ter of the saddle, as shown in Figure 10, so  
that the plungers on the sides of the switch  
align with the limit stops.  
4. Clean the debris and built-up grime from  
the drive gear, leadscrew gear, and the sur-  
rounding area.  
5. Brush a light coat of all-purpose grease onto  
the teeth of the drive and leadscrew gears.  
Bracket  
6. Re-install the parts removed in reverse  
order.  
Limit  
Switch  
Figure 10. Installing the bracket and limit switch.  
-4-  
H8370 Power Feed for Mill/Drills  
 

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