Operating Instructions Revsion: WAR-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 - “Wart” Millhog
MILLHOG SERIES: WART MILLHOG
- (includes pneumatic & elect r i c m o tors)
- 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 Revsion: WAR-001
Millhog Series - “Wart” 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 Revsion: WAR-001
Millhog Series - “Wart” Millhog
Contents
INSTRUCTION FOR PUTTING INTO USE ................................................................................................................................... 4
UNPACKING ................................................................................................................................................................................... 4
AIR SUPPLY .................................................................................................................................................................................... 4
ILLUSTRATED DESCRIPTION OF FUNCTION ............................................................................................................................................. 4
LIMITATION ON AMBIENT CONDITIONS ................................................................................................................................................ 5
LIST OF CONTENTS ........................................................................................................................................................................... 5
SAFETY PRECAUTIONS ............................................................................................................................................................ 5
PRECAUTIONS AND USE OF PERSONAL PROTECTIVE EQUIPMENT, EYE PROTECTION ........................................................................................ 5
EXPLANATION OF SYMBOLS ............................................................................................................................................................... 6
DISCLAIMER ................................................................................................................................................................................... 6
OPERATING ERGONOMICS ................................................................................................................................................................ 6
OPERATING INSTRUCTIONS ................................................................................................................................................... 7
IDENTIFICATION OF OPERATING CONTROLS AND THEIR USE ...................................................................................................................... 7
SELECTION OF PROPER TOOLING ......................................................................................................................................................... 7
Clamp rib selection ................................................................................................................................................................ 7
Cuttterhead selection ............................................................................................................................................................ 7
Cutting blade selection .......................................................................................................................................................... 8
INSTALLATION OF PROPER TOOLING .................................................................................................................................................... 8
Clamp rib installation. ........................................................................................................................................................... 8
Cutterhead removal and installation ..................................................................................................................................... 8
Cutting blade removal and installation ................................................................................................................................. 8
MOUNTING THE TOOL TO THE WORK .................................................................................................................................................. 8
POWER CONNECTION....................................................................................................................................................................... 9
OPERATION OF TOOL ....................................................................................................................................................................... 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 ASSEMBLY ........................................................................................................................................................................... 12
AIR MOTOR ................................................................................................................................................................................. 14
110V ELECTRIC MOTOR ................................................................................................................................................................. 16
220V ELECTRIC MOTOR ................................................................................................................................................................. 18
3/4” MANDREL ............................................................................................................................................................................ 20
1” MANDREL ................................................................................................................................................................................ 22
CUTTERHEADS .............................................................................................................................................................................. 23
BLADES ....................................................................................................................................................................................... 24
AIR HOSE..................................................................................................................................................................................... 26
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 3
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
Millhog Series - “Wart” 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 INJUR Y.
2. Clean any excess oil, grease or rust preventive from the surface of the tool.
Air supply
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 tool. Be sure air filter is clean and lubricator is
full before use. For lubricator adjustment instructions see 4a.
6. For electric motors
a. Rated Voltage 230/120v ac
b. Power input 1400 w
c. Frequency 40-60 Hz
Illustrated description of function
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 4
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
Millhog Series - “Wart” Millhog
Limitation on ambient conditions
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
3. Do not use the electric motor in wet or excessively humid ambient 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 set
One or more cutterheads
Hose, 1/2” with filter, lubricator and quick connect couplers
Allen wrench set
Carrying case
Safety precautions
Precautions and use of personal protective equipment, eye protection
1. Power tools are not insulated for coming into contact with electric power sources.
2. Tool must not be used in an explosive atmosphere.
3. Do not use tool in a manner other than stated. Use other than stated in the instructions is forbidden.
4. For air powered tools, use valved, quick connect couplers to avoid an unrestrained compressed air hose
after disconnecting.
5. Use care regarding the drawing in or trapping long hair, loose clothing, etc.
6. Cover all exposed skin before operating. Cutting blades are sharp and produce hot chips. Both can cause
injury.
7. Do not connect power source until tool is securely fastened to the inside diameter of a pipe or tube.
8. Use caution when handling, disconnect power source before removing from work, changing blades,
performing maintenance or breaking down.
9. Personal protective garments should include but not be limited to.
a. Safety glasses
b. Work gloves
c. Work boots, or shoes
d. Protective clothing
e. Hearing protection when operator is exposed to long periods of use.
10. Have all nearby persons wear safety glasses with side shields.
a. Chips can be hot and sharp. Be careful when clearing from tool.
b. Moving and stationary parts can pinch or cause serious injury. Pay extra attention to rotating
cutting blades as they can not be adequately guarded.
c. 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 Revsion: WAR-001
Millhog Series - “Wart” Millhog
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.
Hearing protection.
Pinch points.
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.
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 6
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
Millhog Series - “Wart” Millhog
Operating instructions
Identification of operating controls and their use
Feed wrench
Axially moves gear head on mandrel.
Draw rod nut
Activates draw rod and actuator.
Draw rod
Connects the actuator and draw rod nut.
Turning draw rod nut clockwise pulls actuator
towards mandrel and expands clamp ribs and
pads.
Turning draw rod nut counter-clockwise
pushes actuator away from mandrel and
relaxes clamp ribs and pads.
Draw rod stop collar
Prevents draw rod, actuator and clamp rib and
pads from becoming separated from mandrel.
Draw rod nut and finger knob
In tight areas turning when the draw rod
wrench doesn’t actuate the draw rod the nut
and finger knob when turned clockwise pulls
the actuator towards mandrel and expands
clamp ribs and pads.
Cutterhead
Rotates and holds the tool post.
Tool post
Locates cutting blade.
Cutting blade
Purpose: to machine end preparations on tube
or pipe.
Consumable item, available in many sizes and
configurations.
Blade lock
Secures the cutting blade to tool post.
Actuator
Holds and aligns the clamp ribs and pads with
mandrel.
Clamp ribs / pads
Secures tool to tube or pipe inside diameter.
Come in sets of three.
Available in many sizes, see accompanying
clamp rib chart.
Mandrel
Provides torque acceptance for entire tool.
Allows axial movement of tool.
Provides point of rotation for cutterhead.
Throttle lever
Activates the cutterhead.
Requires deliberate action by the operator. to
Activate the cutterhead.
Actuating lever starts tool.
Release of lever stops tool.
Nipple air inlet
Accepts valved quick connect coupler for
connecting air supply.
Always disconnect air supply before installing,
changing or securing blades, adjusting, moving,
or breaking down.
Air motor
Provides power to gear head.
Gear head
Rotates cutterhead.
Axially moves on mandrel.
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.
Cuttterhead selection
1. Measure the outside diameter of the tube or pipe.
2. Select a cutterhead that either matches the outside diameter or is at least one size larger than the outside
diameter.
3. Sizes are: 2-5/8”, 3”, 3-1/2”, 4”, 4-1/2”.
4. Larger cutterheads may be used, subject to mechanical restrictions.
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 7
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
Millhog Series - “Wart” Millhog
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 (H-56A), draw rod wrench (H-54) and pull draw rod assembly from mandrel (H-21).
2. Slide clamp ribs over the draw rod (H-51) 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.
Cutterhead removal and installation
1. Remove stop collar (H-56A), draw rod wrench (H-54) and feed stop (H-57A). Pull draw rod assembly from
mandrel (H-21).
2. Using feed wrench, feed mandrel out of tool.
3. Remove (3) cutterhead mounting screws (H-16).
4. Using a soft hammer, tap cutterhead to remove from bearing (H-18).
5. Select the cutterhead you want to install and align cutterhead mounting screw holes up with the drive
shaft (H-19).
6. Using the cutterhead mounting screws, evenly tighten. Be sure that the cutterhead seats evenly on the
bearing.
7. Reinstall the mandrel, align key way with key (H-25) in the torque acceptor (H-38).
8. Insert draw rod assembly into mandrel and install the feed stop, draw rod wrench and stop collar.
Cutting blade removal and installation
1. Loosen blade lock screw(s) (H-22), 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 extend the mandrel all the way forward (this moves 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 cutting blade away, at least 1/4” from the work, tighten the draw rod nut.
5. Be sure cutterhead can rotate freely, without coming into contact with the tube or pipe, when first
starting tool.
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 8
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
Millhog Series - “Wart” Millhog
Power connection
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.
3. Connect the air supply.
4. For electric tools, be sure to connect the tool to a properly grounded outlet and if using an extension cord,
be sure that the extension cord is properly sized for the application. Failure to properly size an extension
cord can result in personal injury and/or harm to the electric motor
Operation of tool
1. Engage the throttle lever (or switch) this will activate the tool.
2. Using the feed wrench advance the cutting blade towards the work.
3. 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.
4. 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.
5. Release the throttle lever (or switch) this will stop the tool.
6. Disconnect the air supply.
7. Release the clamp wrench and remove the tool from the work.
Tool limits
Size limits
1. Minimum inside diameter is 1-1/4” with standard mandrel.
a. Minimum inside diameter is 3/4” with optional mandrel.
2. Maximum outside diameter is 4-1/2”.
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.
b. Slow the speed of air motor, using a valve on the air supply.
c. Multiple cutting blades to balance the tool.
d. 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 Revsion: WAR-001
Millhog Series - “Wart” 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).
e. For electric tools, inspect the cord for damage. If any damage is noted, the cord should be
replaced.
2. 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.
3. 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. A qualified air tool technician can provide all service for this machine
a. Factory service or assistance is 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 Revsion: WAR-001
Millhog Series - “Wart” 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 Revsion: WAR-001
PART #
DESCRIPTION
PART #
DESCRIPTION
H-01
CLAMP RIBS (1.250" - 1.600")
H-34
REAR BEARING RACE
H-02
CLAMP RIBS (1.525" - 1.925")
H-35
REAR TAPERED ROLLER
H-03
CLAMP RIBS (1.850" - 2.250")
H-36
LOCK WASHER
H-04
CLAMP RIBS (2.175" - 2.575")
H-37
LOCK NUT
H-05
CLAMP PADS (2.500" - 2.900")
H-38
TORQUE ACCEPTER
H-06
CLAMP PADS (2.825" - 3.225")
H-39
FEED WRENCH
H-07
CLAMP PADS (3.150" - 3.550")
H-40
FEED WRENCH SCREWS
H-08
CLAMP PADS (3.475" - 3.875")
H-41
DRIVE GEAR
H-09
CLAMP PADS (3.800" - 4.200")
H-42
DRIVE GEAR BEARING
H-10
CLAMP RIB SCREW
H-43
BEARING SPACER
H-11
ACTUATOR ROLL PIN
H-44
DRIVE GEAR BEARING
H-12
ACTUATOR
H-45
DRIVE GEAR SNAP RING
H-13
ROLL PIN
H-46
HOUSING SNAP RING
H-14A
CLAMP RIB SPRING H0
H-47
DRIVE KEY
H-14B
CLAMP RIB SPRING H1-H4
H-48
SHEAR COUPLER
H-15
CUTTERHEAD SEAL
H-49
FEED KNOB BALLS (20 REQ'D)
H-16
CUTTERHEAD MOUNTING SCREW
H-50
BALL RETAINER SCREW
H-18
CUTTERHEAD BEARING
H-51
DRAW ROD
H-19
DRIVE SHAFT
H-52
DRAW ROD NUT SNAP RING
H-20
DRIVE GEAR KEY
H-53A
DRAW ROD NUT & FINGER KNOB
H-21
1.250" MANDREL
H-54A
WRENCH HD DRAW ROD
H-22A
9/16" BLADE LOCK
H-55
DRAW ROD NUT SNAP RING
H-22B
5/8" BLADE LOCK
H-56A
DRAW ROD STOP COLLAR
H-22C
3/4" BLADE LOCK
H-56B
SOCKET HEAD SCREW
H-23
COMBINATION SCREW
H-57A
FEED STOP COLLAR
H-24
TORQUE ACCEPTER KEY SCREW
H-57B
SET SCREW
H-25
TORQUE ACCEPTER KEY
H-58
MOTOR ADAPTER PLATE
H-26
TORQUE ACCEPTER SCREWS
H-59
MOTOR ADAPTER SCREWS
H-27
"O" RING
CH-20
2-5/8" CUTTERHEAD
H-28
FEED KNOB
CH-21
3" CUTTERHEAD
H-29
DRIVE SHAFT "O" RING
CH-22
3-1/2" CUTTERHEAD
H-30
FRONT TAPERED ROLLER BEARING
CH-23
4" CUTTERHEAD
H-31
FRONT BEARING RACE
CH-24
4-1/2" CUTTERHEAD
H-32
DRIVEN GEAR
H-70
AIR MOTOR COMPLETE
H-33
HOUSING
Millhog Series - “Wart” Millhog
Parts list and drawings
Gear assembly
"WART" MILLHOG GEAR HEAD ASSEMBLY
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 12
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
Millhog Series - “Wart” Millhog
Gear assembly (cont.)
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 13
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
PART #
DESCRIPTION
PART #
DESCRIPTION
18-01
GREASE FITTING
18-29
18-30
EXHAUST DEFLECTOR
GASKET (OLD STYLE)
18-02A
GEAR HOUSING
18-30A
GASKET
18-03
BEARING
18-31
"O" RING
18-04
GEAR SPIDER
18-32
REAR PLATE
18-05
PIN
18-33
CAP SCREW
18-06
BEARING
18-34
LOCK WASHER
18-07
GEAR
18-35
CAP SCREW
18-08
BEARING
18-36
LOCK WASHER
18-09
RETAINER RING
18-40
SEAL
18-10
SPACER
18-40A
WASHER
18-11
GEAR SPIDER
18-41
LOCK WASHER
18-12
BEARING
18-42
BUTTON HEAD SCREW
18-13
BEARING HOUSING
18-43
AIR VALVE
18-14
GASKET
18-44
"O" RING
18-15
BEARING
18-45
SPRING
18-16
FRONT END PLATE
18-46
LOCK WASHER
18-17
PIN
18-46A
LOCK WASHER
18-18
BEARING
18-47
CAP SCREW
18-19
GEAR
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
18-52
OIL PLUG
18-25
BEARING
18-52A
OIL PLUG
18-26
RETAINER RING
18-53
THROTTLE HANDLE
18-27
GASKET
18-53A
THROTTLE HANDLE COMPLETE
18-28
AIR MOTOR HOUSING
18-54
COMPLETE AIRMOTOR
H-59
MOTOR ADAPTER SCREW
Millhog Series - “Wart” Millhog
Air Motor
"WART" MILLHOG
AIR MOTOR PARTS LIST
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 14
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
Millhog Series - “Wart” Millhog
Air motor (cont.)
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 15
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
110V ELECTRIC MOTOR
H110-04
BALL BEARING 8 X 22 X 7
H110-41
CABLE CLIP
H110-05
WASHER
H110-42
BAFFLE
H110-07
ARMATURE COMPLETE, 110V
H110-43
TEMPERATURE SENSOR
H110-08
BALL BEARING, 6 X 19 X 6
H110-45
WARNING LABEL 52 x 22
H110-09
RUBBER BUSHING
H110-46
SHIFT LEVER, COMPLETE
H110-34
FIELD COIL ASSEMBLY, 110V
H110-47
ELECTRONIC UNIT
H110-35
RATING PLATE
H110-48
SWITCH
H110-36
MOTOR HOUSING
H110-49
HOUSING BLACK
H110-37
CARBON BRUSH SET
H110-50
FILLISTER HEAD SCREW
H110-38
BRUSH HOLDER, COMPLETE
H110-51
CABLE SLEEVE
H110-39
HOUSING COVER
H110-52
CABLE w/ UL/CSA SOCKET
H110-40
LABEL (WEP 14-150 QUICK
RELEASE)
GEAR DRIVE
H-59
MOTOR ADAPTER SCREWS
18-18
BEARING
18-01
GREASE FITTING
18-19
GEAR
18-02A
GEAR HOUSING
HE-24
RETAINER
18-03
BEARING
HE-25
SNAP RING
18-04
GEAR SPIDER
HE-26
SNAP RING
18-05
PIN
HE-27
BEARING
18-06
BEARING
HE-28
PINION GEAR
18-07
GEAR
HE-29
BEARING
18-08
BEARING
HE-31
FILLISTER HEAD SCREW
18-09
RETAINER RING
HE-32
GEAR CASE SCREW
18-10
SPACER
HE-34
WASHER
18-11
GEAR SPIDER
HE-35
SPIRAL GEAR
18-12
BEARING
HE-36
BEARING
18-17
PIN
HE-37
BUSHING
HE-38
HOUSING
H110-70
COMPLETE MOTOR, 110V
HE-70
COMPLETE GEAR DRIVE ASSEMBLY
HE-110
COMPLETE MOTOR & GEAR CASE ASSEMBLY (110V)
Millhog Series - “Wart” Millhog
110V electric motor
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 16
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
Millhog Series - “Wart” Millhog
110V electric m o to r ( c o n t . )
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 17
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
220V ELECTRIC MOTOR
H220-04
BALL BEARING 8 X 22 X 7
H220-41
HOUSING COVER
H220-05
WASHER
H220-42
M-LABEL 08 TR 49-52X22 WE 14-125
PLUS
H220-07
ARMATURE COMPLETE, 220V
H220-43
CABLE CLIP
H220-08
BALL BEARING, 6 X 19 X 6
H220-44
SELF TAP FILLISTER HEAD SCREW
H220-09
RUBBER BUSHING
H220-45
CABLE SLEEVE
H220-34
BAFFLE
H220-47
RATING PLATE
H220-35
FIELD COIL ASSEMBLY W. FIELD
COIL, 220V
H220-49
ELECTRONIC UNIT, 220V 50-60Hz
H220-36
MOTOR HOUSING
H220-50
SWITCH
H220-37
BRUSH HOLDER COMPL. CUT
OUT, 220V
H220-51
HOUSING BLACK
H220-38
CARBON BRUSH SET, 220V
H220-52
FILLISTER HEAD SCREW
H220-39
SWITCH ROD
H220-53
CABLE WITH PLUG
H220-40
SWITCH SLIDE
H220-56
TEMPERATURE SENSOR
GEAR DRIVE
H-59
MOTOR ADAPTER SCREWS
18-18
BEARING
18-01
GREASE FITTING
18-19
GEAR
18-02A
GEAR HOUSING
HE-24
RETAINER
18-03
BEARING
HE-25
SNAP RING
18-04
GEAR SPIDER
HE-26
SNAP RING
18-05
PIN
HE-27
BEARING
18-06
BEARING
HE-28
PINION GEAR
18-07
GEAR
HE-29
BEARING
18-08
BEARING
HE-31
FILLISTER HEAD SCREW
18-09
RETAINER RING
HE-32
GEAR CASE SCREW
18-10
SPACER
HE-34
WASHER
18-11
GEAR SPIDER
HE-35
SPIRAL GEAR
18-12
BEARING
HE-36
BEARING
18-17
PIN
HE-37
BUSHING
HE-38
HOUSING
H220-70
COMPLETE MOTOR, 220V
HE-70
COMPLETE GEAR DRIVE ASSEMBLY
HE-220
COMPLETE MOTOR & GEAR CASE ASSEMBLY (220V)
Millhog Series - “Wart” Millhog
220V electric motor
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 18
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
Millhog Series - “Wart” Millhog
220V electric motor (con t . )
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 19
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
PART #
DESCRIPTION
PART #
DESCRIPTION
G-03
CLAMP RIB SET (.750 - .905)
H-15A
CUTTERHEAD SEAL
G-04
CLAMP RIB SET (.875 - 1.030)
H-16
CUTTERHEAD MOUNTING
SCREW
G-05
CLAMP RIB SET (1.000 - 1.155)
H-18A
CUTTERHEAD BEARING FOR
3/4" MANDREL
G-06
CLAMP RIB SET (1.125 - 1.280)
H-22C
BLADE LOCK, 3/4"
G-14
CLAMP RIB SPRING FOR G4-G11
H-23
COMBINATION SCREW
G-15
ACTUATOR ROLL PIN
H-241
MANDREL, 3/4"
G-17
ACTUATOR FOR .750 & UP
H-242
CUTTERHEAD 3/4" - 2-5/8"
G-61
SNAP RING
H-243
WASHER
G-62
SCREW
H-244
DRAW NUT
G-63
SET SCREW
H-245
FEED STOP HOUSING
G-64
CLAMP RELEASE WRENCH
H-246
SET SCREW
G-65
DRAW ROD STOP COLLAR
H-247
DRAW ROD FOR 3/4" MANDREL
H-240
MANDREL KIT COMPLETE, 3/4"
Millhog Series - “Wart” Millhog
3/4” mandrel
"WART" MILLHOG
¾” MANDREL KIT PARTS LIST
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 20
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
Millhog Series - “Wart” Millhog
3/4” mandrel (cont.)
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 21
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
PART #
DESCRIPTION
PART #
DESCRIPTION
H-00
CLAMP RIB SET (1.000" - 1.250")
H-55
DRAW ROD NUT SNAP RING
H-11
ACTUATOR ROLL PIN
H-56A
DRAW ROD STOP COLLAR
H-12A
ACTUATOR, 1"
H-56B
SOCKET HEAD SCREW
H-14A
CLAMP RIB SPRING H-00
H-57A
FEED STOP COLLAR
H-51
DRAW ROD & STOP COLLAR
H-57B
SET SCREW
H-53A
DRAW ROD NUT & FINGER KNOB
H-220
MANDREL, 1" W/ FEED STOP
H-54A
WRENCH, H.D. DRAW ROD
H-221
MANDREL KIT COMPLETE, 1"
Millhog Series - “Wart” Millhog
1” mandrel
"WART" MILLHOG
1" MANDREL KIT - PARTS LIST
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 22
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
PART #
DESCRIPTION
PART #
DESCRIPTION
CH-20
2-5/8" CUTTERHEAD
H-22A
9/16" BLADE LOCK
CH-21
3" CUTTERHEAD
H-22B
5/8" BLADE LOCK
CH-22
3-1/2" CUTTERHEAD
H-22C
3/4" BLADE LOCK
CH-23
4" CUTTERHEAD
H-23
COMBINATION SCREW
CH-24
4-1/2" CUTTERHEAD
AW-01
ALLEN WRENCH SET
(NOT SHOWN)
Millhog Series - “Wart” Millhog
Cutterheads
WART" MILLHOG
CUTTERHEAD PARTS LIST
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 23
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-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 - “Wart” Millhog
Blades
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 24
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
Millhog Series - “Wart” Millhog
Blade s (cont.)
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 25
Holliston, MA - USA | Tel 508.429.4441
Operating Instructions Revsion: WAR-001
PART #
DESCRIPTION
PART #
DESCRIPTION
AHW-300
NIPPLE, 3/8" x 3/8"
AHG-309
FILLER PLUG "O" RING
AHW-301
COUPLER
AHG-310
OIL ADJUSTMENT VALVE ASSEMBLY
AHW-302
HOSE BARB, 1/2" x 3/8"
AHG-311
VALVE GASKET
AHW-303
HOSE, 6'
AHG-312
SIGHT DISK AND SEAL
AHW-304
SEAL
AHG-313
SIGHT DISK LOCK NUT
AHW-305
CHICAGO FITTING, 1/2"
AHW-308A
FILTER REPAIR KIT
AHW-306
SAFETY PIN
AHW-309
HOSE BARB, 1/2" x 1/2"
AHW-307A
COMPLETE FILTER & LUBRICATOR
ASSY.
AH-201
COMP. HOSE ASSEMBLY
AHG-308
FILLER PLUG
Millhog Series - “Wart” Millhog
Air hose
HOSE ASSEMBLY PARTS LIST
ESCO Tool Company, a Unit of ESCO Technologies, Inc. 26
Holliston, MA - USA | Tel 508.429.4441
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