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MODEL T27620
PROFESSIONAL
PLANISHING HAMMER
INSTRUCTIONS
For questions or help with this product contact Tech Support at (570) 546-9663 or techsupport@grizzly.com
Specifications
Control Power ............110V, Single-Phase, 60 Hz
This machine can cause
serious personal injury
if used incorrectly. To
reduce this risk, read
and understand these
instructions before using!
The Model T27620 has a maximum operating
pressure of 120 PSI. Exceeding this pressure
can lead to an explosion, which may cause
serious personal injury!
EYE/EAR INJURY HAZARD!
Wear safety glasses and
hearing protection during
use of this tool!
INJURY HAZARD!
Disconnect tool from air and
power to prevent accidental
operation during service!
Throat Depth...................................................27"
Hammer/Die Opening ....................................... 4"
Maximum Thickness (Mild Steel) ..............16 Ga.
Maximum Thickness (Aluminum/Copper) .14 Ga .
Hammer Speed .................................. 4600 BPM
Operating Air Pressure ......................90–120 PSI
Air Inlet Size, Consumption ..............
Overall Dimensions ....... 32" L x 35" W x 61
Product Weight ....................................... 158 lbs.
Inventory
Description Qty
A. Radius Dies
3
⁄4", 11⁄2 ", 2", 3, 4" 6", 8", 12" .................1 Ea.
B. Horizontal Brace ......................................... 1
C. Support Bracket.......................................... 1
D. Main Frame w/Foot Switch ......................... 1
E. Flat Die (Pre-Installed) ............................... 1
F. Hardware Bag (Not Shown) ........................ 1
— Cap Screws M8-1.25 x 25 ..................... 10
— Flat Washers 8mm ................................ 10
— Lock Washers 8mm .............................. 10
A
1
⁄2 ", 12 CFM
1
⁄2 " H
B
CRUSHING HAZARD!
Keep hands clear of hammer
mechanism at all times!
Introduction
The Model T27620 is designed to smooth and
finely shape metal parts by repeatedly striking
workpieces using an air hammer and interchangeable die. This planishing hammer includes eight
radius dies and a flat die, and it can form up to
14-gauge aluminum or 16-gauge mild steel.
COPYRIGHT © APRIL, 2016 BY GRIZZLY INDUSTRIAL, INC.
NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
(FOR MODELS MFD. SINCE 3/16) #BL18102 PRINTED IN CHINA
E
D
Figure 1. Model T27620 inventory.
C
V1.0 4 .16
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READ THIS MANUAL. This tool may cause personal injury if used incorrectly. Read this manual
for proper safety and operating instructions to
reduce this risk.
WEAR EYE PROTECTION. This tool may throw
small fragments during operation, which may
cause serious eye injury. Always wear ANSI
approved safety glasses or face shield to reduce
your risk from this hazard.
WEAR A RESPIRATOR. This tool may produce
fine dust during operation, which can cause respiratory injury if inhaled. Always wear a NIOSHapproved respirator for the type of material being
processed.
WEAR HEARING PROTECTION. This tool is
very loud during operation and can cause permanent hearing loss. To reduce your risk, always
wear hearing protection, such as ear plugs or ear
muffs while operating.
WEAR LEATHER GLOVES. Wear leather gloves
when handling sheet metal. Deburr or chamfer
workpiece edges after cutting.
UNATTENDED OPERATION. Disconnect air
pressure and power before servicing, changing
accessories, or moving to another location. Never
leave this tool unattended.
SECURE TOOLING. Always verify tooling is
secure before operation.
REMOVE ADJUSTING KEYS AND WRENCHES
AFTER USE. These tools become dangerous
projectiles if left on the tool when it is started.
MAINTAIN TOOLS WITH CARE. Keep tools lubricated and clean for best and safest performance.
DO NOT FORCE TOOL. It will do the job better
and safer at the rate for which it was designed.
CHECK FOR DAMAGED PARTS BEFORE
USING. Check for binding 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.
USE GOOD LIGHTING. Keep work area well
lighted. Dark work areas increase risk of injury.
MAINTAIN SAFETY GUARDS. Your tool may be
equipped with safety guards or other structural
components designed to reduce the risk of injury
during operation. Never modify or operate this
tool with any guards or components removed or
damaged.
KEEP CHILDREN AWAY. Children can injure
themselves with this tool. Disconnect and lock the
tool away when not in use.
AVOID ENTANGLEMENTS. Do not wear loose
clothing, gloves, neckties, rings, bracelets, or
other jewelry that may be caught in moving parts.
Wear a hair covering to contain long hair.
USE CORRECT AIR PRESSURE. Exceeding the
maximum PSI rating of this tool may cause unpredictable operation or bursting.
AVOID FLAMMABLES. Do not use around flammables that may be ignited by sparks.
AVOID UNINTENTIONAL OPERATION. Always
disconnect air and power when not in use.
USE RECOMMENDED ACCESSORIES. Using
improper accessories may increase risk of injury.
NEVER ALLOW UNTRAINED USERS TO USE
THIS TOOL WHILE UNSUPERVISED.
IF YOU ARE UNSURE OF THE INTENDED
OPERATION, STOP USING TOOL. Seek formal
training or research books or magazines that specialize in pneumatic tools.
BE AWARE OF HOSE LOCATION. An air hose
can become a tripping hazard when laid across
the floor in a disorganized fashion.
DO NOT USE UNDER THE INFLUENCE OF
DRUGS OR ALCOHOL, OR WHEN TIRED.
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T27620 Planishing Hammer (Mfd. 3/16+)
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Assembly
Determine suitable location for planishing hammer based on planned use. Larger workpieces
will require larger space around planishing hammer, so plan accordingly.
Items Needed Qty
A. Assistant ..................................................... 1
B. Hex Wrench 6mm ....................................... 1
To assemble planishing hammer:
1. With help of an assistant, raise main frame to
upright position, then place support bracket
under main frame. Position support bracket
so threaded holes in cross brace point toward
frame (see Figure 2).
2. Mount support bracket to main frame with (4)
M8-1.25 x 25 cap screws, (4) 8mm lock washers, and (4) 8mm flat washers (see Figure 2).
Finger-tighten for now.
3. Attach horizontal brace to main frame and
support bracket with (6) M8-1.25 x 25 cap
screws, (6) 8mm lock washers, and (6) 8mm
flat washers, as shown in Figure 3.
Horizontal
Brace
x 6
Figure 3. Horizontal brace attached.
4. Tighten all assembly fasteners.
Main
Frame
x 4
Support
Bracket
Threaded
Holes
Cross
Brace
Figure 2. Support bracket installed onto frame.
5. Mount planishing hammer to floor using
fasteners appropriate for floor type (refer to
Anchoring to Floor on next page).
6. Check oil level in lubricator. If oil level is low,
refill with pneumatic tool oil.
T27620 Planishing Hammer (Mfd. 3/16+)
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Anchoring to Floor
Anchoring machinery to the floor prevents tipping
or shifting and reduces vibration that may occur
during operation, resulting in a machine that runs
slightly quieter and feels more solid.
If the machine will be installed in a commercial or
workplace setting, or if it is permanently connected (hardwired) to the power supply, local codes
may require that it be anchored to the floor.
If not required by any local codes, fastening the
machine to the floor is an optional step. If you
choose not to do this with your machine, we recommend placing it on machine mounts, as these
provide an easy method for leveling and they have
vibration-absorbing pads.
Lag shield anchors with lag screws (see below)
are a popular way to anchor machinery to a concrete floor, because the anchors sit flush with the
floor surface, making it easy to unbolt and move
the machine later, if needed. However, anytime
local codes apply, you MUST follow the anchoring
methodology specified by the code.
Number of Mounting Holes ............................ 6
Diameter of Mounting Hardware .................
1
⁄2"
Operation
The basic operation of a planishing hammer consists of inserting a piece of sheet metal between
the hammer and die, then actuating the hammer
while moving the sheet metal around to shape it.
There are two main variables that can be
adjusted to alter the results of your work:
• Die Radius: Controls the curve of the shaped
workpiece. Change by installing dies with different radii.
• Air Supply PSI: Controls how fast and hard
the hammer strikes the die while the foot
switch is pressed. Change by adjusting air
pressure between 90–120 PSI.
Tool Needed Qty
Hex Wrench 3mm .............................................. 1
Anchoring to Concrete Floors
Lag Screw
Machine Base
Concrete
Figure 4. Popular method for anchoring
machinery to a concrete floor.
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Flat Washer
Lag Shield Anchor
Drilled Hole
To operate planishing hammer:
1. DISCONNECT MACHINE FROM AIR
PRESSURE AND POWER!
2. Loosen set screw on die until it is flush with
inside of die, then insert die onto driver and
tighten set screw.
3. Adjust height of die using elevation handwheel
(see Figure 5) to accommodate thickness or
gauge of your workpiece. Secure die height
by turning lock handle counterclockwise
against frame.
Hammer
Die
Driver
Die Elevation
Lock Handle
Locking
Position
Elevation
Handwheel
Figure 5. Elevation handwheel and lock handle.
T27620 Planishing Hammer (Mfd. 3/16+)
Set
Screw
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4. Connect planishing hammer to air supply, as
shown in Figure 6.
Note: There are many different styles of
quick-connect fittings. If the air fitting supplied
with the Model T27620 does not fit the style
you have on your hose, you will need to make
them match.
9. Insert workpiece between hammer and die,
press down on foot switch to start hammering
(see Figure 8), and move workpiece around
to shape it.
Planishing
Hammer
Lubricator
Filter/Regulator
Quick
Connector
Quick
Coupler
Air Hose
Air
Compressor
Figure 6. Correct air supply setup.
5. Set desired air pressure between 90-120
PSI using filter/regulator pressure dial (see
Figure 7). Pull up on pressure dial to adjust
pressure. Press down on pressure dial to lock
setting. A lower air pressure will provide a
softer hammer blow.
6. Adjust oil flow on lubricator using drip setting
dial (see Figure 7). A setting of two drips per
minute is sufficient for regular operation.
Pressure Dial
Drip Setting Dial
Foot Switch
Figure 8. Foot switch control for operating
planishing hammer.
10. When shaping task is complete, release foot
pedal to stop planishing hammer.
11. Before leaving planishing hammer unattended, disconnect air supply and power, and
press foot switch to release any remaining air
pressure.
Maintenance
Before Every Use
• Check oil level in the lubricator; refill as needed with pneumatic tool oil.
• Check all mounting and component hardware
and fasteners; adjust/tighten as necessary.
• Check all air connections; replace leaking or
defective connections.
• Check for worn or shorted wiring; replace as
necessary.
As Needed
• Check air filter/regulator water trap for fluid
buildup and press drain valve (see Figure 7)
to empty.
Drain Valve
Figure 7. Location of lubricator drip setting dial
and filter/regulator drain valve.
7. Connect planishing hammer to power supply.
8. Put on safety glasses, hearing protection,
and leather gloves.
T27620 Planishing Hammer (Mfd. 3/16+)
If you need help with your new planishing hammer, call our Tech Support at: (570) 546-9663.
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GND
1
2
Air Soleniod Wiring
(viewed from above)
AirTac
AC97V-123V
50/60Hz 5.5VA
IP65
Air Solenoid
Wiring & Pneumatic Diagram
Note: Not intended to be
user accessible. For service,
replace entire solenoid
assembly with cord.
AIRTAC
BFR-2000
Air Regulator
AIRTAC
BL-2000
Max. Pressure: 1.0MPa
Pressure Range:
0.05–0.9MPa
Air Hammer
Ground
110 VAC
5-15 Plug
Neutral
Hot
Foot Pedal
X2-15GW22-B
15A 250VAC
XURUI
Normally
Closed
Normally
Open
Common
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T27620 Planishing Hammer (Mfd. 3/16+)
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13
23
33
T27620 Parts Breakdown
28
25
14-1
13
36
30
31
20
32
22
13
7
17
15
14
6
5
18
15
9
34
35
45
38
39
40
41
42
43
44
29
37
4
29
11
34
27
12
10
46
26
19
28
27
29
8
3
29
28
27
1
33
34
26
21
16
24
52
2
50
51
47
48
49
REF PART # DESCRIPTION REF PART # DESCRIPTION
1 PT27620001 SUPPORT BRACKET 27 PT27620027 FLAT WASHER 8MM
2 PT27620002 MAIN FRAME 28 PT27620028 LOCK WASHER 8MM
3 PT27620003 HORIZONTAL BRACE 29 PT27620029 CAP SCREW M8-1.25 X 25
4 PT27620004 LEADSCREW CASING 30 PT27620030 FLAT WASHER 4MM
5 PT27620005 LEADSCREW/DRIVER M27-3.0 31 PT27620031 LOCK WASHER 4MM
6 PT27620006 PNEUMATIC HAMMER 32 PT27620032 CAP SCREW M4-.7 X 12
7 PT27620007 RADIUS DIE 2" 33 PT27620033 FLAT WASHER 6MM
8 PT27620008 HANDWHEEL TYPE-26 160D X 18B-K X M6-1 34 PT27620034 LOCK WASHER 6MM
9 PT27620009 FILTER REGULATOR AIRTAC BFR2000/BL2000 35 PT27620035 CAP SCREW M6-1 X 16
10 PT27620010 LEADSCREW LOCK NUT M27-3.0, M12-1.75 36 PT27620036 SET SCREW M6-1 X 10
11 PT27620011 ELEVATION LOCK HANDLE 37 PT27620037 KEY 6 X 6 X 18
12 PT27620012 HANDWHEEL HANDLE M6-1, 3-7/8 X 1 38 PT27620038 RADIUS DIE 3/4"
13 PT27620013 ELBOW FITTING 90 DEG, 3/8"OD X 1/4"NPT 39 PT27620039 RADIUS DIE 1-1/2"
14 PT27620014 AIRTAC SOLENOID 2V025-08 IP65 40 PT27620040 RADIUS DIE 3"
14-1 PT27620014-1 AIRTAC AC97V123V SOLENOID VALVE 41 PT27620041 RADIUS DIE 4"
15 PT27620015 STRAIGHT FITTING 3/8"OD X 1/4"NPT 42 PT27620042 RADIUS DIE 6"
16 PT27620016 FOOT SWITCH RCEN TFS-502 15A 250V 43 PT27620043 RADIUS DIE 8"
17 PT27620017 UPPER HAMMER CLAMP 44 PT27620044 RADIUS DIE 12"
18 PT27620018 LOWER HAMMER CLAMP 45 PT27620045 FLAT DIE
19 PT27620019 SPACER 27 X 36 X 3 46 PT27620046 FLAT HD SCREW M6-1 X 16
20 PT27620020 SOLENOID VALVE MOUNTING BRACKET 47 PT27620047 POWER CORD 18G 3W X 72" 5-15P
21 PT27620021 ELECTRICAL COVER PLATE 48 PT27620048 FOOT SWITCH CORD 18G 3W X 78"
22 PT27620022 FLEXIBLE HOSE 3/8" OD X 11" 49 PT27620049 SOLENOID VALVE CORD 18G 3W X 152"
23 PT27620023 FLEXIBLE HOSE 3/8" OD X 24" 50 PT27620050 STRAIN RELIEF M20-1.5 TYPE-3
24 PT27620024 WIRE WRAP 0.83" OD X 74" (POLYETHYLENE) 51 PT27620051 STRAIN RELIEF M20-1.5 TYPE-5
25 PT27620025 FENDER WASHER 6MM 52 PT27620052 WIRE WRAP 0.52" OD X 6" (POLYETHYLENE)
26 PT27620026 CAP SCREW M6-1 X 12
T27620 Planishing Hammer (Mfd. 3/16+)
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T27620 Labels & Cosmetics
101
102
103
111
109
107
110
108
REF PART # DESCRIPTION REF PART # DESCRIPTION
101 PT27620101 MODEL NUMBER LABEL 107 PT27620107 MACHINE ID LABEL
102 PT27620102 ELECTRICITY LABEL (MEDIUM) 108 PT27620108 GRIZZLY.COM LABEL
103 PT27620103 TOUCH-UP PAINT, GRIZZLY GREEN 109 PT27620109 EYE/HEARING LABEL
104 PT27620104 DISCONNECT AIR/POWER LABEL 110 PT27620110 CRUSHING HAZARD LABEL
105 PT27620105 EXPLOSION HAZARD LABEL 111 PT27620111 READ MANUAL LABEL
106 PT27620106 ELECTRICITY LABEL (LARGE)
106
105
104
Safety labels help reduce the risk of serious injury caused by machine hazards. If any label comes
off or becomes unreadable, the owner of this machine MUST replace it in the original location
before resuming operations. For replacements, contact (800) 523-4777 or www.grizzly.com.
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T27620 Planishing Hammer (Mfd. 3/16+)
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