MODEL H8370
POWER FEED
FOR MILL/DRILLS
INSTRUCTIONS
Specifications
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Motor ................................................. 110V 60Hz
Speed ............................................... 4–200 RPM
Maximum Torque .................................440 in./lb.
Bevel Gear to Drive Gear Ratio ..................... 4:1
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Inventory
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Refer to Figure 1 and the table below to inventory
the contents of the shipping box.
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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
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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
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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.
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H8370 Power Feed for Mill/Drills
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