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February 11

, 2019

ALH System-One

Gas-Free Tapping System for ¾" to 2½" NPT tapped holes

(60psig Maximum Allowable Operating Pressure)

Operating Manual

February 11

, 2019

PLCS, LLC 102 Gaither Drive Unit 1, Mt Laurel, NJ 08054 Tel: (856) 722-1333

www.plcsusa.com

Содержание System-One

Страница 1: ...System One Gas Free Tapping System for to 2 NPT tapped holes 60psig Maximum Allowable Operating Pressure Operating Manual February 11th 2019 PLCS LLC 102 Gaither Drive Unit 1 Mt Laurel NJ 08054 Tel 856 722 1333 www plcsusa com ...

Страница 2: ...nd brass based polyethylene tee insertion Plug insertion extraction Live camera inspection Mains internal visual examination through the inspection canopy By pass and bagging off platform Vent and purge Gas Free gutless tee extraction replacement abandonment IMPORTANT Tapping a 3 Main You MUST remove the holesaw or shell cutter from the tap before tapping a 3 main to eliminate the risk of cutting ...

Страница 3: ...ain bolts through the holes in the pivot pins add the washers and screw the nuts on one thread only by hand 8 Install the other ends of the chains in the chain pull up hooks making sure that two pins from each chain are installed in the two slots 9 Close the valve gate at this stage to stiffen the whole valve and prevent it flexing 10 Tighten the chains equally and alternately using the valve wren...

Страница 4: ...half nut If possible install a PLCS rare earth magnet Part 46 B5010 in the shell cutter to collect metal chips and help retain the coupon 4 After attaching the holesaw shell cutter install the tap in the drill shaft tapered hole making sure the two flats on the tap fit within the recess in the shaft 5 Place a piece of wood over the end of the holesaw shell cutter and give it a light rap with a ham...

Страница 5: ...se the short ALH valve wrench DO NOT OVERTIGHTEN Operating the Drill Head IMPORTANT Tapping a 3 Main You MUST remove the holesaw or shell cutter from the tap before tapping a 3 main to eliminate the risk of cutting into the bottom of the pipe 1 Cut the hole as usual but do not engage the tap at this stage 2 Lift the drill head into the canopy and close the slide valve 3 Remove the drill head from ...

Страница 6: ...ange in pitch of the air motor 9 Use less feed cap pressure on small holes since overload conditions are more likely to occur 10 A sudden increase in speed reduction of load higher pitch note of the air motor and the drill shaft drops a little indicates that the holesaw shell cutter is through the pipe Remove the power drive from the drill shaft and isolate it from the air supply Inject a few drop...

Страница 7: ...hread is exposed on the drill base Photo 10 Remove shaft collar 11 Lift up the drive shaft once more by its retaining pin and turn the shaft until its square section can enter the square recess inside the top of the feed cap 12 Lock the shaft in place by the thumbscrew 13 Close the gate valve and vent the drill head to remove pressure 14 Unclamp the drill head and remove it from the valve IMPORTAN...

Страница 8: ...oto 15 13 Open the vent on top of the canopy to vent off any gas trapped in the canopy A continuous stream of escaping gas indicates that the plug did not enter the hole correctly In this case unscrew and reinstall the plug 14 Undo the swing bolt nuts and remove the canopy lifting it by its ears 15 Undo the gate valve chains and remove the valve and its saddle from the pipe 16 Undo the large setsc...

Страница 9: ...Tighten the bolts alternately with the short valve wrench until snug Photo 13 8 Make sure the plug is not resting on the valve gate by pulling up on the shaft Photo 14 and then open the slide valve 9 Lower the shaft down to the tapped hole 10 Using the valve wrench turn the shaft counter clockwise until you feel the plug skip over the leading thread of the tapped hole 11 Now turn the shaft clockwi...

Страница 10: ... screw supplied with the Plug Insertion tool adaptor join the plug body and adaptor by lining up the square and snug up cap screw with a hex wrench DO NOT OVERTIGHTEN 3 Attach the adaptor plug to the plug fitting spindle using the T Handle hex wrench to tighten the shaft cap screw 4 Lubricate the plug insertion shaft with a little silicone paste or spray 5 Place the plug end of the shaft on a flat...

Страница 11: ...daptor and plug 18 Apply a small amount of silicone O ring lube to the plug cap O ring to ease installation 19 Align the cap to match the curve of the pipe and while maintaining downward pressure on the cap O ring and insert the plug bolt into the threaded plug body recess Tighten the bolt ensuring the cap DOES NOT rotate 20 Soap test the Low Profile plug to ensure a gas tight seal has been achiev...

Страница 12: ...clockwise until you feel the tee skip over the leading thread of the tapped hole 12 Now turn the shaft clockwise and screw the tee in snug Photo 15 13 Open the vent on top of the canopy to vent off any trapped gas A continuous stream of escaping gas indicates that the plug did not enter the hole correctly in this case unscrew the tee and try again 14 Undo the swing bolts and remove the canopy lift...

Страница 13: ... operating the wrench in an anti clockwise direction At the same time wind the feed cap up making sure it never makes contact with the shaft retaining pin at this stage When the tap is fully removed from the main you will feel and hear a noticeable bump skip as the leading edge of the tap s thread disengages from the threaded hole Grip the shaft by its retaining pin and you should be able to lift ...

Страница 14: ...sions VCRs computer monitors and other CRT displays Never place neodymium magnets near electronic appliances Children should not be allowed to handle neodymium magnets as they can be dangerous Small magnets pose a choking hazard and should never be swallowed or inserted into any part of the body Never allow neodymium magnets near a person with a pacemaker or similar medical aid The strong magnetic...

Страница 15: ...use a tapered tap The holesaw cutter must cut a hole that allows the tap to enter but is not larger than the root of the cut thread at the bottom of the hole This creates a full thread depth throughout the length of the cut hole without having to remove a lot of metal The perfect sizes to cut a hole to suit standard NPT threads are as shown in the chart PLCS ALH Hole Saw Identification Chart Part ...

Страница 16: ...KNUCKLE 46 M3031 WASHER 46 S0271 ROLL PIN 46 M1111 5 16 X 7 8 BOLT 46 S0159 PIVOT PIN 46 M3032 SWING BOLT 46 M3007 CHAIN PULL UP HOOK 46 M3008 5 16 X 5 8 LG BOLT 46 S0158 VALVE BOTTOM 46 M3001 GATE 46 M3029 ORING 46 M1058 VALVE TOP 46 M3000 GREASE NIPPLE 46 M2145 ORING 46 M1050 GRUB SCREW 46 S0129 GRUB SCREW 46 S0129 ALH SYSTEM ONE CONTROL VALVE ...

Страница 17: ...AINING GRUB SCREW 46 S0166 BALL VALVE US 10631 SHAFT BEARING 46 M4112 SHAFT LOCKING SCREW 46 M4155 ALUMINIUM SHAFT COLLAR 46 M2177 SHAFT COLLAR SNAP ON NYLON C 46 M2176 ALH SYSTEM ONE DRILLING MACHINE 46 A4500 NPT TAP PART NO 3 4 46 B0260 1 46 B0261 1 1 4 46 B0262 1 1 2 46 B0263 2 46 B0264 2 1 2 46 B0265 HOLESAW PART NO 46 A0265 46 A0266 46 A0267 46 A0268 46 A0269 46 A0270 ...

Страница 18: ... 46 A0041 SYSTEM 1 SERVICE VALVE 46 A0001 SHAFT LOCKING SCREW 46 M4155 SERVICE VALVE KNUCKLE 46 M3031 BALL VALVE US 10631 BYPASS PLUNGER 46 M3005 DRILL SHAFT 46 A0045 NYLON SHAFT COLLAR 46 M2176 ALUMINIUM SHAFT COLLAR 46 M2177 ...

Страница 19: ... PIVOT PIN 46 M3032 VALVE WRENCH 46 A0012 CHAIN STEADY WRENCH 46 A0014 Saddles Chains SIZE PART 3 46 A0003A 4 46 A0003 6 46 A0005 8 46 A0007 10 46 A0009 12 46 A0010 16 46 A0072 20 46 A0073 24 46 A0074 30 42 46 A0422 SIZE PART 3 12 46 A0013 12 24 46 A2900 24 36 46 A2941 36 48 46 A2942 ...

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