Operating Instructions Millhog “Dictator XL
Contents
1. 1260 251516 Web site www mactecheurope co uk Email info mactecheurope co uk Operating Instructions Millhog Dictator XL 2 Clamp Rib and Pad Selector Chart DICTATOR XL Se PAD AND RIB SET WITH ID RANGE INCHES ID RANGE mm XL1 ACTUATOR D2 RIB amp D8 RIB amp D10 PAD 22 625 23 625 574 6mm to 600 0mm WITH XL2 ACTUATOR Note that pipe sizes shown with green infill overlap with standard Dictator pipe sizes Refer to standard Dictator Operating and Maintenance Manual for range covered by the standard machine Mactech Europe Ltd Unit 7 Scragg House Langley Business Park Langley Road Langley Macclesfield Cheshire SK11 ODG TEL 44 0 1260 253846 FAX 44 0 1260 251516 Web site www mactecheurope co uk Email info mactecheurope co uk Operating Instructions Millhog Dictator XL 3 Parts List for Dictator XL MO13173_011 Actuator 2 MO13173_014 Mandrel Cap MO13173_015 Key MO13173_016 Actuator 1 Mactech Europe Ltd Unit 7 Scragg House Langley Business Park Langley Road Langley Macclesfield Cheshire SK11 ODG TEL 44 0 1260 253846 FAX 44 0 1260 251516 Web site www mactecheurope co uk Email info mactecheurope co uk2. Operating Instructions Millhog Dictator XL Mactech Mactech EUROPE LIMITED LIMITED OPERATING INSTRUCTIONS FOR MILLHOG DICTATOR XL Mactech Europe Ltd Unit 7 Scragg House Langley Business Park Langley Road Langley Macclesfield Cheshire SK11 ODG TEL 44 0 1260 253846 FAX 44 0 1260 251516 Web site www mactecheurope co uk Email info mactecheurope co uk Operating Instructions Millhog Dictator XL OPERATING NOTE Before using the Dictator XL machine operators should read and be familiar with the document Operating Instructions Millhog Series 418 Dictator The Gearbox Reducer should be fitted to the machine All safety and operating instructions in that manual apply to the Dictator XL Contents 1 Operating Instructions 2 Clamp Rib and Pad Selector Chart 3 Parts List 1 Operating instructions a Identification of operating controls and their use 1 Feed wrench a Used to advance and retract the cutting blade from the work 2 Draw rod nut a Activates draw rod and actuator 3 Actuator a Holds and aligns the clamp ribs and pads with mandrel 4 Draw rod a Connects the actuator and draw rod nut b Turning draw rod nut clockwise pulls actuator towards mandrel and expands clamp ribs and pads c Turning draw rod nut counter clockwise pushes actuator away from mandrel and relaxes clamp ribs and pads 5 Cutterhead a Rotates and holds the tool post 6 Tool post a Locates cutting bl
3. ade 7 Cutting blade a Purpose to machine end preparations on tube or pipe b Consumable item available in many sizes and configurations 8 Blade lock a Secures the cutting blade to tool post 9 Clamp ribs pads a Secures tool to tube or pipe inside diameter b Come in sets of three c Available in many sizes see accompanying clamp rib chart 10 Mandrel a Provides torque acceptance for entire tool b Allows axial movement of tool c Provides point of rotation for cutterhead Mactech Europe Ltd Unit 7 Scragg House Langley Business Park Langley Road Langley Macclesfield Cheshire SK11 ODG TEL 44 0 1260 253846 FAX 44 0 1260 251516 Web site www mactecheurope co uk Email info mactecheurope co uk Operating Instructions Millhog Dictator XL 1 Operating instructions continued a Identification of operating controls and their use 11 Horizontal lifting ring a For lifting tool horizontally 12 Vertical lifting rings a For lifting tool vertically 13 Nipple air inlet a Accepts valved quick connect coupler for connecting air supply b Always disconnect air supply before installing changing or securing cutting blades adjusting moving or breaking down 14 Air motor a Provides power to gear head 15 Gear head a Rotates cutterhead b Axially moves on mandrel 16 Mandrel Cap a Fits over existing Mandrel b Clamps in position on Mandrel 17 Actuator XL1 a Holds and aligns the cla
4. e end of the Mandrel and secure with setscrews c Slide clamp ribs over the draw rod with the slotted end of the clamp rib towards the actuator d Insert the clamp rib slots into the slots on the actuator e Inspect springs replace if stretched or damaged f There are two sets of clamp springs per set of clamp ribs g Reassemble insert draw rod assembly into mandrel and install the draw rod nut 2 Cutting blade removal and installation a Loosen blade lock screw s do not remove If more than one blade lock screw has to loosened they should be loosened evenly b Cutting blade must be slid to the outside of the cutterhead for removal c Insert new cutting blade from the outside of the cutterhead and align so that the blade fully covers the tube or pipe wall d Be sure to tighten all blade lock screws d 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 wrench 5 Be sure cutterhead can rotate freely without coming into contact with the tube or pipe when first starting tool e Air 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 s
5. mp ribs and pads with mandrel Consult Selector Chart 18 Actuator XL2 a Holds and aligns the clamp ribs and pads with mandrel Consult Selector Chart b Selection of proper tooling 1 Clamp rib selection a Measure inside diameter of tube or pipe Or using the outside diameter and minimum wall thickness calculate the inside diameter b Using the inside diameter and the accompanying clamp rib chart select the proper clamp rib pad set s and the appropriate actuator c Please note clamp pads attach to clamp ribs Clamp ribs can be used without clamp pads 2 Cutting blade selection a Measure the wall thickness of the tube or pipe b Select a blade that is wider than the wall thickness c Standard sizes are 1 2 3 4 and 1 Consult factory for other widths d Cutting blade configuration should be matched to your welding specification e Consult factory for special applications such as counter boring seal weld removal J preps etc Mactech Europe Ltd Unit 7 Scragg House Langley Business Park Langley Road Langley Macclesfield Cheshire SK11 ODG TEL 44 0 1260 253846 FAX 44 0 1260 251516 Web site www mactecheurope co uk Email info mactecheurope co uk Operating Instructions Millhog Dictator XL 1 Operating instructions continued c Installation of proper tooling 1 Clamp rib installation a Remove draw rod nut and pull draw rod assembly from mandrel b Fit the Mandrel Cap over th
6. upply hose a This feature allows the air supply to be safely removed from the tool at any time 3 Connect the air supply f Operation of tool 1 Engage the ball valve 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 Mactech Europe Ltd Unit 7 Scragg House Langley Business Park Langley Road Langley Macclesfield Cheshire SK11 ODG TEL 44 0 1260 253846 FAX 44 0 1260 251516 Web site www mactecheurope co uk Email info mactecheurope co uk Operating Instructions Millhog Dictator XL 3 Operating instructions continued f Operation of tool 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 Turn the ball valve off so the motor no longer rotates the cutterhead this will stop the tool 6 Disconnect the air supply 7 Release the draw rod nut and remove the tool from the work Mactech Europe Ltd Unit 7 Scragg House Langley Business Park Langley Road Langley Macclesfield Cheshire SK11 ODG TEL 44 0 1260 253846 FAX 44 0
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