Operating Instructions Revision: MIN-001
Factory: Agent:
ESCO Tool Company, a Unit of ESCO Technologies, Inc.
75 October Hill Road Ste A, Holliston, MA 01746 USA
Tel 508.429.4441 | Fax 508.429.2811
Email: millhog@escotool.com | Website: www.escotool.com
Millhog Series - “Mini” Millhog
MILLHOG SERIES: MINI MILLHOG
- 90 PSI (6.2 BAR) INLET PRESSURE
- 120/230V AC FOR ELECTRIC MOTO R S
DISCONNECT AIR SUPPLY BEFORE SERVICING
UNDERSTAND ALL INSTRUCTIONS BEFORE USING
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 1
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
ESCO Tool Guarantee
Guarantee: The manufacturer guarantees its products to be free from defects in material or
workmanship for a period of one year from date of shipment from its factory. Said guarantee will not
apply if equipment is used in conditions of service for which it is not recommended. The
manufacturer is not responsible for damage to its products through improper use, physical damage,
poor operating practice, or normal wear.
If any device is found unsatisfactory under the guarantee, the buyer must notify ESCO Tool in writing
and after receipt of shipping instructions, buyer must return it directly to ESCO Tool, 75 October Hill
Road, Holliston, MA 01746, USA, shipping charges prepaid. Such equipment will be replaced or put in
satisfactory operating condition, free of all charges except transportation. The correction of any
factory defect by repair or replacement by the manufacturer shall constitute fulfillment of all
obligations to the purchaser. Manufacturer's guarantee is void if unauthorized repairs are made to its
products.
Manufacturer shall not be liable for consequential damage in case of failure to meet the conditions of
any Guarantee or Shipping Schedule, nor will claims for labor, loss of profit, repairs, or other expenses
incidental to replacement be allowed.
No other representations, guarantees or warranties, expressed or implied, are made by the
manufacturer in connection with the manufacture and sale of its equipment.
Hold Harmless Agreement
Customer agrees to defend, indemnify and hold ESCO Tool, its owners, agents, officers, and/or employees free
and harmless from and against any and all claims, liabilities, losses, costs and out of pocket expenses (including
attorney’s fees) arising out of, or in connection with the ESCO Tool equipment, its use or transportation, or out
of operations conducted by customer, its agents, employees, contractors, representatives, guests or invitees,
including, but not limited to, active and/or passive negligence.
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 2
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
Contents
INSTRUCTION FOR PUTTING INTO USE ................................................................................................................................... 4
UNPACKING ................................................................................................................................................................................... 4
ILLUSTRATED DESCRIPTION OF FUNCTION ............................................................................................................................................. 4
POWER ......................................................................................................................................................................................... 4
Air motor ............................................................................................................................................................................... 4
Electric motor electric supply ................................................................................................................................................. 4
LIMITATION ON AMBIENT CONDITIONS ................................................................................................................................................ 5
Air motor ............................................................................................................................................................................... 5
Electric motor ........................................................................................................................................................................ 5
LIST OF CONTENTS ........................................................................................................................................................................... 5
SAFETY PRECAUTIONS ............................................................................................................................................................ 5
PRECAUTIONS AND USE OF PERSONAL PROTECTIVE EQUIPMENT, EYE PROTECTION ........................................................................................ 5
SPECIAL SAFETY PRECAUTIONS, PINCH POINTS ....................................................................................................................................... 5
DISCLAIMER ................................................................................................................................................................................... 6
OPERATING ERGONOMICS ................................................................................................................................................................ 6
EXPLANATION OF SYMBOLS ............................................................................................................................................................... 6
OPERATING INSTRUCTIONS ................................................................................................................................................... 7
IDENTIFICATION OF OPERATING CONTROLS AND THEIR USE ...................................................................................................................... 7
SELECTION OF PROPER TOOLING ......................................................................................................................................................... 8
Clamp rib selection ................................................................................................................................................................ 8
Cutting blade selection .......................................................................................................................................................... 8
INSTALLATION OF PROPER TOOLING .................................................................................................................................................... 8
Clamp rib installation ............................................................................................................................................................ 8
Cutting blade removal and installation ................................................................................................................................. 8
MOUNTING THE TOOL TO THE WORK .................................................................................................................................................. 8
POWER CONNECTION....................................................................................................................................................................... 8
Air .......................................................................................................................................................................................... 8
Electric connection ................................................................................................................................................................. 8
OPERATION OF TOOL ....................................................................................................................................................................... 9
Air driven ............................................................................................................................................................................... 9
Electric driven ........................................................................................................................................................................ 9
TOOL LIMITS .................................................................................................................................................................................. 9
Size limits ............................................................................................................................................................................... 9
Material limits ....................................................................................................................................................................... 9
MAINTENANCE AND SERVICING ........................................................................................................................................... 10
REGULAR CLEANING AND LUBRICATION .............................................................................................................................................. 10
USER SERVICE ............................................................................................................................................................................... 10
SERVICING BY MANUFACTURER OR AGENT .......................................................................................................................................... 10
CLAMP RIB AND PAD SELECTOR CHART ............................................................................................................................... 11
PARTS LIST AND DRAWINGS ................................................................................................................................................ 12
GEAR HOUSING ASSEMBLY .............................................................................................................................................................. 12
AIR MOTOR ................................................................................................................................................................................. 14
PCD-110/220 ELECTRIC MOTOR .................................................................................................................................................... 16
1-1/4” MANDREL KIT ................................................................................................................................................................... 18
AIR HOSE..................................................................................................................................................................................... 19
CUTTING BLADES .......................................................................................................................................................................... 20
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 3
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
Instruction for putting into use
Unpacking
1. Use caution when handling the tool, cutting blades are sharp. Typically they are protected, however,
exposed blades can cause injury.
2. Clean any excess oil, grease or rust preventive from the surface of the tool.
Illustrated description of function
Power
Air motor
1. Recommended air pressure, 90 psi (6.2 bar)
2. Recommended air volume, 40 cfm (1133 lt/min.)
3. Clean, moisture free air is essential for trouble free operation.
4. Oil laden operating air should be used. Use a light weight air tool motor oil (s.a.e.10).
5. A hose whip with filter and lubricator is provided with each air driven tool. Be sure air filter is clean and
lubricator is full before use. For lubricator adjustment instructions see 4a.
Electric motor electric supply
1. Rated Voltage 230/120v ac
2. Power input 1800 w
3. Frequency 40-60 Hz
4. Prior to putting into operation, check the mains voltage for conformity with the requirements on the tools
nameplate
5. Voltage variation between + 6% and – 10% are permissible
6. The motor is made in protection class II
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 4
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
Limitation on ambient conditions
Air motor
1. In damp, moist or humid air, extra precaution must be taken in order to provide the tool with moisture
free, oil laden air.
2. In temperatures below 32 degrees Fahrenheit (0 Celsius) a lubricant with antifreeze, such as Marvel Air-
Tool Oil , must be used.
Electric motor
1. The motor must neither be wet, nor used in humid ambient conditions
2. Use only 3-wire extension cable with protecting conductor and sufficent cross-section. A cross-sectioin
which is to smal could lead to excessive power loss and to overheating the motor and the cable.
3. Cords and plugs must be approved for work conditions
List of contents
Kit contains:
Motor and gear drive
Feed mechanism
Draw rod and wrench assembly
One or more clamp rib sets
One or more clamp pad sets
Hose, 1/2” with filter, lubricator and quick connect couplers, or electric cord attached to motor
Allen wrench set
Carrying case
Safety precautions
Precautions and use of personal protective equipment, eye protection
1. Do not connect power until tool is securely fastened to the inside diameter of a pipe or tube.
2. Use caution when handling the tool, cutting blades are sharp. Typically they are protected, however,
exposed blades can cause injury.
3. Personal protective equipment should include, but not be limited to:
a. Safety glasses
b. Work gloves
c. Work boots, or shoes
d. Long sleeve shirts
e. Long pants
f. Ear protection should be used when operator is exposed to long periods of use.
Special safety precautions, pinch points
1. Always disconnect power supply before installing or changing cutting blades, securing to pipe or tube,
adjusting, moving, breaking machine down or servicing.
2. Do not modify or defeat safety devices
a. Air motor - Never tie down throttle lever
b. Electric motor – Only use permanent operation button when tool is securely attached to the tube
or pipe.
3. Cutting blades are sharp and can cause serious injury, use caution when handling tool when blades are
installed
4. Chips can be hot and sharp. Be careful when clearing from tool.
5. Moving and stationary parts can pinch or cause serious injury. Pay extra attention to rotating cutting
blades as they can not be adequately guarded.
6. During use, machinery may separate, lurch or fall.
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 5
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
Disclaimer
1. If the equipment is used in a manner not specified by ESCO Tool, the protection provided by the
equipment may be impaired.
Operating ergonomics
1. Tool must be mounted at a reasonable working height.
2. Tool may be used in any orientation.
3. Operator must be in a position not to be injured as the machinery may separate, lurch or fall. Operator
must have both feet on a stable platform. Reaching or leaning is not acceptable operating ergonomics.
Explanation of symbols
Caution (refer to accompanying documents).
Safety glasses must be worn.
Protective gloves, cutting blades and chips can be hot and sharp.
Work boots, or shoes
Protective clothing
Ear protection
Pinch points
Disconnect power
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 6
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
Operating instructions
Identification of operating controls and their use
Cutting blade
Consumable item, available in many sizes and
configurations.
Purpose: to machine end preparations on tube
or pipe.
Blade lock
Holds cutting blade to cutterhead.
Actuator
Connects the clamp ribs / pads to the draw
rod.
Mandrel
Provides torque acceptance for entire tool.
Allows axial movement of tool.
Provides point of rotation for cutterhead.
Clamp ribs / pads
Secures tool to tube or pipe inside diameter
Available in many sizes, see accompanying
clamp rib chart.
Cutterhead
Rotates and holds the cutting blades.
Feed wrench
Used to advance and retract the cutting blade
from the work.
Draw rod
Connects the actuator and draw rod feed
wrench.
Turning draw rod wrench clockwise pulls
actuator towards mandrel and expands clamp
ribs and pads.
Turning draw wrench counter-clockwise
pushes actuator away from mandrel and
relaxes clamp ribs and pads.
Draw rod wrench
Actuates the clamping mechanism.
Draw rod stop collar
Prevents the draw rod, actautor and clamps
from becoming detached from the tool.
Gear head.
Rotates cutterhead.
Axially moves on mandrel.
Nipple, air inlet – Air motor
Accepts valved quick connect coupler for
connecting air supply.
Air supply must be disconnected before
installing or changing cutting blades,securing
to pipe or tube, adjusting, moving, or breaking
machine down.
Throttle lever – Air motor
Throttle lever requires deliberate action by the
operator to activate the tool.
Actuating lever starts tool.
Release of lever stops tool.
Speed selector – electric motor
The motor is equipped with a two speed
gearbox.
Select the proper speed by pressing-in, shifting
and engaging.
The position of the lower speed is in the
direction of the cutterhead.
change the speed only when the machine is
not running, and support the speed changing
by slightly rotating the cutterhead.
On-off switch – Electric motor
Switching on
o Press the on/off switch
Switching off
o Release the on/off switch
Permanent operation switch
Switching-on - press the on/off switch and,
keeping it pressed, engage the lock button.
Switching-off - press the on/off switch and let
it go off again.
Attention! If the machine stops for
any reason or due to power failure,
immediately release the permanent
operation button by pressing the
on/off switch and releasing.
Power cord
Provides electric power to motor - use properly
rated receptical and extensions.
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 7
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
Selection of proper tooling
Clamp rib selection
1. Measure inside diameter of tube or pipe. Or using the outside diameter and minimum wall thickness,
calculate the inside diameter.
2. Using the inside diameter and the accompanying clamp rib chart select the proper clamp rib / pad set(s).
3. Please note clamp pads attach to clamp ribs. Clamp ribs can be used without clamp pads.
Cutting blade selection
1. Measure the wall thickness of the tube or pipe.
2. Select a blade that is wider than the wall thickness.
3. Standard sizes are: 1/2”, 3/4” and 1”. Consult factory for other widths.
4. Cutting blade configuration should be matched to your welding specification.
5. Consult factory for special applications such as: counter boring, seal weld removal , “J” preps, etc.
Installation of proper tooling
Clamp rib installation
1. Remove stop collar (M-56), draw rod nut (M-35) and pull draw rod assembly from mandrel (M-53).
2. Slide clamp ribs over the draw rod (M-53) with the slotted end of the clamp rib towards the actuator.
3. Insert the clamp rib slots into the slots on the actuator.
4. Inspect springs, replace if stretched or damaged.
5. There are two sets of clamp springs per set of clamp ribs.
6. Reassemble, insert draw rod assembly into mandrel and install the draw rod wrench and stop collar.
Cutting blade removal and installation
1. Loosen blade lock screw(s) (M-51), do not remove. If more than one blade lock screw has to loosened
they should be loosened evenly.
2. Cutting blade must be slid to the outside of the cutterhead for removal.
3. Insert new cutting blade from the outside of the cutterhead and align so that the blade fully covers the
tube or pipe wall.
4. Be sure to tighten all blade lock screws
Mounting the tool to the work
1. Using the feed wrench (M-28) extend the mandrel all the way forward, this moves the clamp ribs away
from cutterhead.
2. Retract the the mandrel two turns of the feed wrench.
3. Insert the clamp rib portion of the tool into the end of tube or pipe.
4. While positioning the tool keep the cutting blade it at least 1/4”from the pipe or tube end and tighten the
draw rod wrench.
a. The draw rod finger knob may be used until ratchet wrench can be activated.
5. Be sure the cutterhead can rotate freely, without coming into contact with the tube or pipe, when first
starting tool.
Power connection
Air
1. Use the hose supplied with the tool.
2. This hose has a valved quick connect coupler which will hold back all air that is in the supply hose.
a. This feature allows the air supply to be safely removed from the tool at any time.
Electric connection
1. Check the mains voltage for conformity with the requirements on the tools nameplate
2. Voltage variation between + 6% and – 10% are permissible
3. Extension cords, plugs and recepticals must rated for electric requirements.
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 8
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
Operation of tool
Air driven
1. Tool activation / deactivation
2. Engage the throttle lever, this will activate the tool.
3. Release the throttle lever, this will deactivate the tool.
Electric driven
Short term operation
1. Engage the on/off switch, this will activate the tool.
2. Release the on/off switch, this will deactivate the tool.
Permanent operation
1. Engage the on/off switch and then engage the permanent operation button, this will permanently engage
tool.
2. Engage the on/off switch and releaase, this will disengage the permanent operation.
3. With the motor engaged use the feed wrench to advance the cutting blade towards the work.
4. Use a steady constant feed creating a continuous chip.
a. Using a constant feed allows the heat generated by the cutting action to be removed by the chip.
Heat build up is a primary failure mode for cutting tools.
b. Engaging a rotating cutting blade with the work surface without feed (rubbing), creates excessive
heat build up.
5. When the desired end prep is accomplished, quickly reverse the feed wrench by reversing the directional
pawl, and retract the cutting blade from the work.
6. Release the throttle lever, this will stop the tool.
7. Disconnect the air supply.
8. Release the clamp wrench and remove the tool from the work.
Tool limits
Size limits
1. Minimum inside diameter is 1.8” with standard mandrel.
a. Minimum inside diameter is 1-1/4” with optional mandrel.
2. Maximum outside diameter is 6-5/8”.
3. Maximum wall thickness, 1” with standard tooling.
4. Extremely thin walls may require special tooling to prevent deformation of diameter.
Material limits
1. Difficult materials may require the following to maximize blade life.
a. Lubrication such cutting oils, soluble oils, soapy water, plain water, etc.
2. Slow the speed of air motor, using a valve on the air supply.
3. Multiple cutting blades to balance the tool.
4. Vary feed rate, often times difficult materials respond to a heavy feed.
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 9
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
Maintenance and servicing
Regular cleaning and lubrication
1. Hose whip, filter and lubricator
a. Inspect filter element by removing nut from end of filter assembly.
b. If the filter is dirty or plugged replace it using filter repair kit
c. Remove filler plug from lubricator and be sure the adjusting screw is set half way between open
and closed.
d. Fill lubricator, use a light weight air tool motor oil (s.a.e. 10).
2. Electric motor
a. Disconnect from power supply before beginning any repair or maintenance work.
b. The motor as well as the ventilation slots always have to be clean.
c. During use, pay attention that no foreign elements get into the the interior of the machine.
d. In case of failure, a repair has to be caried out by an authorized service workshop.
3. Gear housing grease
a. There is no grease fitting on rental tools. This is because of the tendency to over grease. Excess
grease can back up into the air motor and cause failure.
b. A single pump from a grease gun after every two hundred hours of use is sufficient for all tools
equipped with a grease fitting.
c. Use grease NLGI # 2
4. Lubrication for storage
a. Before putting the tool away, fill air inlet with a liberal amount of air tool oil and actuate motor
momentarily. This will distribute oil to internal motor parts, preventing rust build up.
b. Wipe tool down using soft cloth removing all dirt, grease, oil and chips.
c. Lightly coat tool with rust preventive.
User service
1. Appropriately qualified and experienced personell may provide all service for this machine.
a. Factory service or assistance is always available, contact us at the numbers below.
b. Complete drawings and parts lists are provided in section six.
i. No special tools are required to perform complete service.
Servicing by manufacturer or agent
1. Factory service, return the tool to the Factory address listed below.
2. Agent service, If applicable return tool to the Agent listed below.
a. If unsure of Agent contact the factory.
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 10
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
I.D.
RANGE (in.)
I.D.
RANGE (mm)
I.D. CLAMP RIB SET
MANDREL SIZE
1.250 - 1.600
31.8 - 40.6
H-01
1.250" (31.75mm)
1.525 - 1.925
38.9 - 48.9
H-02
1.250" (31.75mm)
1.800 - 2.270
45.8 - 57.6
M-01
1.800" (46 mm)
2.240 - 2.695
56.9 - 68.4
M-02
1.800" (46 mm)
2.665 - 3.120
67.7 - 79.2
M-03
1.800" (46 mm)
3.050 - 3.500
77.4 - 88.9
M-04
1.800" (46 mm)
I.D. CLAMP PAD SET
3.415 - 3.865
86.7 - 98.1
M-02 & M-05
1.800" (46 mm)
3.780 - 4.230
96 - 107.4
M-03 & M-05
1.800" (46 mm)
4.145 - 4.595
105.3 - 116.7
M-04 & M-05
1.800" (46 mm)
4.510 - 4.960
114.5 - 126
M-02 & M-08
1.800" (46 mm)
4.875 - 5.325
123.8 - 135.2
M-03 & M-08
1.800" (46 mm)
5.240 - 5.690
133.1 - 144.5
M-04 & M-08
1.800" (46 mm)
5.605 - 6.055
142.3 - 153.8
M-02 & M-11
1.800" (46 mm)
5.970 - 6.420
151.6 - 163.0
M-03 & M-11
1.800" (46 mm)
Millhog Series - “Mini” Millhog
Clamp rib and pad selector chart
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 11
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
PART #
DESCRIPTION
PART #
DESCRIPTION
M-01
CLAMP RIBS (1.800" - 2.270")
M-44
DRIVEN GEAR
M-02
CLAMP RIBS (2.240" - 2.695")
M-45
SHC SCREW ¼ x 20 x ½
M-03
CLAMP RIBS (2.665" - 3.120")
M-46
ACTUATOR
M-04
CLAMP RIBS (3.050" - 3.500")
M-47
ROLL PIN
M-05
CLAMP PADS
M-48A
9/16" BLADE LOCK
M-08
CLAMP PADS
M-48B
3/4" BLADE LOCK
M-11
CLAMP PADS
M-49
SOCKET HEAD CAP SCREW
M-19
THRUST BEARING ASSY.
M-50
6" BLADE BLOCK
M-20
ROLL PIN
M-51
BLADE LOCK SCREW
M-21A
SOCKET HEAD CAP SCREW
M-52
CLAMP RIB SPRING
M-22
HOUSING
M-53
MMH DRAW ROD
M-23
SOCKET HEAD CAP SCREW
M-54
AIR MOTOR COMPLETE
M-24
"O" RING
M-55
DRAW ROD STOP COLLAR
M-25
FEED KNOB
M-56
SOCKET HEAD SCREW
M-26
BALL BEARING
(23) REQUIRED
M-57
M-58
PAD SCREW
ROLL PIN
M-27
SOCKET HEAD CAP SCREW
M-67
MANDREL WIPER
M-28
FEED WRENCH
M-68
TOOL POST
M-29
SOCKET HEAD CAP SCREW
M-69
CHIP PLATE
M-30
MOTOR RETAINER SOCKET HEAD CAP
SCREW
M-70
LOCK NUT
M-31
BEARING
M-71
WASHER
M-32
DRIVE GEAR
M-72
TAPERED ROLLER BEARING
M-32A
KEY
M-73
BEARING RACE
M-33
BEARING
M-74A
CUTTERHEAD
M-34
SNAP RING
M-75
SLEEVE W/ BUSHING
M-35
DRAW ROD NUT
H-48
SHEAR COUPLER
M-36
MANDREL (STD 1.800" W/STOP
H-57A
FEED STOP COLLAR
M-37
MANDREL KEY
H-57B
SET SCREW
M-43
"O" RING
AW-01
ALLEN WRENCH SET
Millhog Series - “Mini” Millhog
Parts list and drawings
Gear housing assembly
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 12
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
Gear housing assembly (continued )
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 13
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
PART #
DESCRIPTION
PART #
DESCRIPTION
18-01
GREASE FITTING
18-27
GASKET
18-02
GEAR HOUSING
18-28
AIR MOTOR HOUSING
18-03
BEARING
18-29
EXHAUST DEFLECTOR
18-04
GEAR SPIDER
18-30A
GASKET
18-05
PIN
18-31
"O" RING
18-06
BEARING
18-32
REAR PLATE
18-07
GEAR
18-33
CAP SCREW
18-08
BEARING
18-34
LOCK WASHER
18-09
RETAINER RING
18-35
CAP SCREW
18-10
SPACER
18-36
LOCK WASHER
18-11
GEAR SPIDER
18-40
SEAL
18-12
BEARING
18-40A
WASHER
18-13
BEARING HOUSING
18-41
LOCK WASHER
18-14
GASKET
18-42
BUTTON HEAD SCREW
18-15
BEARING
18-43
AIR VALVE
18-16
FRONT END PLATE
18-44
"O" RING
18-17
PIN
18-45
SPRING
18-18
BEARING
18-46A
LOCK WASHER
18-19
PIN
18-47A
CAP SCREW
18-20
CYLINDER
18-48
THROTTLE LEVER
18-21
ALIGNMENT PIN
18-49
COUPLER
18-22
ROTOR
18-50
SCREEN
18-23
ROTOR BLADES (5 PER SET)
18-51
ROLL PIN
18-24
REAR END PLATE
18-53
THROTTLE HANDLE
18-25
BEARING
18-53A
THROTTLE HANDLE COMPLETE
18-26
RETAINER RING
M-54
COMPLETE AIRMOTOR
Millhog Series - “Mini” Millhog
Air motor
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 14
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
Air moto r (co nt . )
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 15
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Part #
Description
Part #
Description
PCD-01
ROTOR COMPLETE, 220 VOLT
PCD-39
GEARBOX HOUSING
PCD-01A
ROTOR COMPLETE, 110 VOLT
PCD-40
BEARING
PCD-02
STATOR COMPLETE, 220 VOLT
PCD-41
NEEDLE BEARING
PCD-02A
STATOR COMPLETE, 110 VOLT
PCD-42
DISK OF NEEDLE BEARING
PCD-03
MOTOR HOUSING
PCD-43
BEARING
PCD-04
AIR GUIDING RING
PCD-44
LOCKING RING
PCD-07
CARBON BRUSH
PCD-45
GROOVED BALL BEARING
PCD-08
DISK
PCD-46
DISK F. GROOVED BALL BEARG
PCD-09
SPRING DISK 34
PCD-47
LOCKING RING
PCD-10
SCREW CM4x12
PCD-48
INTERMEDIATE SHAFT 1
PCD-11
BALL BEARING
PCD-49
COUPLING WHEEL
PCD-12
MAGNET RING
PCD-50
GEAR SLEEVE
PCD-13
BEARING SEAL
PCD-51
INTERMEDIATE WHEEL 1
PCD-14
CIRCUIT BOARD-220V
PCD-52
SPRING WASHER
PCD-14A
CIRCUIT BOARD-110V
PCD-53
WASHER
PCD-15
REVERSER
PCD-54
WASHER
PCD-16
SELF TAPPING SCREW
PCD-55
CLUTCH WASHER
PCD-17
MOTOR CAP
PCD-56
C-CLIP
PCD-18
SCREW
PCD-57
COUPLING, COMPLETE
PCD-22
CONDENSOR
PCD-58
INTERMEDIATE SHAFT 2
PCD-23
SIDE HANDLE
PCD-59
FITTING SPRING HARDENED
PCD-24
SWITCH
PCD-60
CLUSTER GEARS
PCD-25
CONNECTION CABLE 230VOLT
PCD-61
COUPLING BOLT
PCD-25A
CONNECTION CABLE, 110V
PCD-62
GEAR SWITCH
PCD-26
CABLE SLEEVE
PCD-63
INTERMEDIATE SHAFT 3
PCD-27
LOCKING FLANGE
PCD-64
INTERMEDIATE WHEEL 2
PCD-28
SCREW 4.2x16
PCD-65
WORK SPINDLE
PCD-29
SCREW
PCD-66
SPINDLE WHEEL
PCD-30
SELF TAPPING SCREW
PCD-67
FITTING DISK
PCD-31
END SHIELD
PCD-68
FITTING SPRING
PCD-32
SAFETY RING 28/1.2
PCD-69
LOCKING RING
PCD-33
BEARING
PCD-71
DISK SPRING
PCD-34
SAFETY RING
PCD-72
GREASE CHAMBER
PCD-35
SCREW 4.2x16
PCD-73
NUT, HEXAGON 8M10 x 1
PCD-36
NEEDLE SLEEVE
PCD-74
DISK OF NEEDLE BEARING
PCD-37
SEAL
PCD-110
MOTOR, COMPLETE, 110V
PCD-38
NOTCHED PIN 5x16
PCD-220
MOTOR, COMPLETE, 220V
Millhog Series - “Mini” Millhog
PCD-110/220 electric motor
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 16
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
PCD-110/220 electric mo t o r (cont.)
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 17
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
1-1/4” Mandrel kit
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 18
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
Air hose
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 19
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
MBB-1
BLADE 1/2" BEVEL TIN
MBB-2
BLADE 3/4" BEVEL TIN
MBB-3
BLADE 1" BEVEL TIN
MBBP-1
1/2" 37-1/2 DEG 1/4" PEEL BACK
MBBP-2
3/4" 37-1/2 DEG 1/4" PEEL BACK
MBBP-3
1" 37-1/2 DEG 1/4" PEEL BACK
MCB-1
BLADE,CUSTOM 1/2"CNTR BORE TiN
MCB-2
BLADE,CUSTOM 3/4"CNTR BORE TiN
MCB-3
BLADE,CUSTOM 1"CNTR BORE TiN
MCB10L-1
1/2" 10 DEG BORING >1-3/4"ID
MCB10L-2
3/4" 10 DEG BORING >1-3/4"ID
MCB10L-3
1" 10 DEG BORING > 1-3/4" ID
MCB10S-1
1/2" 10 DEG BORING <1-3/4 ID
MCB10S-2
3/4" 10 DEG BORING <1-3/4 ID
MCB10S-3
1" 10 DEG BORING < 1-3/4" ID
MCBSL-1
1/2" WIDE 3/8"STRAIGHT BORE 18 DEG TAPER
MCBSL-2
3/4" WIDE 3/8"STRAIGHT BORE 18 DEG TAPER
MCBSL-3
1" WIDE 3/8"STRAIGHT BORE 18 DEG TAPER
MCBSS-1
1/2" WIDE 3/8"STRAIGHT BORE 18 DEG TAPER
MCBSS-2
3/4" WIDE 3/8"STRAIGHT BORE 18 DEG TAPER
MCBSS-3
1" WIDE 3/8"STRAIGHT BORE 18 DEG TAPER
MJB-1
1/2" "J" BEVEL 22 DEG+3/16 RADIUS
MJB-2
3/4" "J" BEVEL 22 DEG+3/16 RADIUS
MJB-3
1" "J" BEVEL 22 DEG+3/16 RADIUS
MLB-1
BLADE 1/2" LAND TIN
MLB-2
BLADE 3/4" LAND TIN
MLB-3
BLADE 1" LAND TIN
MLRB-1
1/2" FACING BLADE W/ OD RADIUS
MLRB-2
3/4" FACING BLADE W/ OD RADIUS
MLRB-3
1" FACING BLADE W/ OD RADIUS
MRBB-1
1/2"37-1/2 DEGREE BORING BLADE
MRBB-2
3/4"37-1/2 DEGREE BORING BLADE
MRBB-3
1" 37-1/2 DEGREE BORING BLADE
MTSR-1
BLADE, 1/2" TUBE STUB REMOVAL
MTSR-2
BLADE, 3/4" TUBE STUB REMOVAL
MTSR-3
BLADE, 1" TUBE STUB REMOVAL
MTSS-1
BLADE, 1/2" TUBE SEAT
MTSS-2
BLADE, 3/4" TUBE SEAT
MTSS-3
BLADE, 1" TUBE SEAT
Millhog Series - “Mini” Millhog
Cutting blades
“MINI" MILLHOG
Cutting Blades - (Standard)
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 20
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revision: MIN-001
Millhog Series - “Mini” Millhog
Cutting blades (cont.)
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 21
Holliston, MA - USA | Tel 508.429.4441
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