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17

Servicing and Repairs

WARNING

- If the problem you have and the appropriate remedy are not shown in the table below, do not attempt to disassemble
or repair the unit yourself.
- If the problem and remedy are not shown in the table, or if the table indicates that you should have the unit repaired
or serviced, consult your distributor or WHEELER REX.
- If this product is repaired by someone who does not have the proper knowledge or technical skill to do so, the
product may not operate properly, or an accident or injury may occur. In the event of a problem, always check the
table before contacting WHEELER REX or your dealer.

Troubleshooting

Machine does not
operate properly when
turned on.

Rotation of the main shaft is defective.

No oil flow.

Oil flows out of the back of the pipe.

Difficulty in attaching the die head.

Moving parts do not move smoothly.

Dies do not engage pipe correctly.

Threading cannot be
performed correctly.

Problem

Cause

Remedy

The plug is disconnected.

Voltage is too low.

Voltage is low.

The gear is broken.

Check the voltage. (Pg. 8)

Check the voltage. (Pg. 8)

The motor is burned out.

Repairs are needed.

The switch is damaged.

Repairs are needed.

The motor is burned out.

Repairs are needed.

Repairs are needed.

Insert the plug into the power socket.

The carbon brushes are
worn.

Replace with new ones according to
the procedures on Pg. 15.

Adjust the die head according to
the procedures on Pgs. 10 - 13.

Moving parts blocked
by scrap.

Remove scrap.

The dies are worn.

The dies are chipped.

Replace with new ones.

Replace with new ones.

The dies are not inserted
in the correct position.

Match the dies to the number on the
die head.

The dies are worn.

The dies are chipped.

Replace with new ones.

Replace with new ones.

Thread cutting oil has
deteriorated.

Replace with new oil.

The dies are not inserted
in the correct position.

Match the dies to the number on the
die head.

Scrap is in the way.

Remove scrap attached to the
die head post and hole.

Remove the obstruction.

Amount of oil is too low.

Replenish oil.

Scrap clogging the flow.

Remove scrap in the oil tank.

The die head is not fitted
correctly.

Rear chuck is set too low.

Raise the rear chuck.

Fit the die head in the correct position.

Too Large
/Small

Too Long
/Short

The motor is
running.

The motor is
not running.

The die head is not
adjusted correctly.

The die head is not
adjusted correctly.

Table 7

Adjust the die head according to
the procedures on Pgs. 10 - 13.

Die head is obstructed by
cut-off pipe etc. on top of
tank cover.

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Содержание 8090

Страница 1: ...urchase Year Month Distributor Be sure to read this Operation Manual before using the machine Note Be sure to hand this operation manual to the user To ensure safe and efficient use read the manual thoroughly before using the machine Be sure to keep the manual where the operator can refer to it whenever necessary ...

Страница 2: ...rve these warnings carefully as they greatly affect safety If this operation manual is lost or damaged promptly order a replacement from your distributor or our sales department Parts and specifications are subject to change without prior notice due to improvements in quality performance or safety standards In such cases the contents photographs illustrations etc in this manual may be different to...

Страница 3: ...machine is plugged in it may start operation unexpectedly causing accidents 7 If any abnormality is noticed stop operation immediately If the machine does not operate smoothly or abnormalities such as unusual odours vibration or noise are detected stop operating the machine immediately Check symptoms against the items in the section entitled Troubleshooting at the end of this manual and observe th...

Страница 4: ...nsion cords are used outdoors use extension cords designed for outdoor use to prevent electric shock short circuit or fire Keep parts used for gripping dry and clean and free of oil and grease If your hands slip you may be injured 18 Check for damaged parts Before using the machine carefully check for damage to the protective cover and other parts and check both normal operation and specified func...

Страница 5: ...es use pipes with a wall thickness equivalent to Schedule 40 or more Make sure the die head is mounted correctly on the carriage Be careful not to get your fingers caught Before you start threading set the die head in the threading position switch ON and check that the oil is flowing correctly over the dies Failing to do so could result in an imperfect thread damage to the machine accident or inju...

Страница 6: ...omiting Emergency treatment Seek medical attention immediately without forcing the person to vomit 7 Do not place the oil where it is easily reached by small children 8 Be especially careful of fire 9 Storage Always close the lid after use to prevent the oil from being contaminated by dust water or other foreign bodies Store in a dark place away from direct sunlight 1 Handling waste oil and waste ...

Страница 7: ...on brushes 4 4 4 1 set NV auto 1 2 2 Table 1 Table 2 110 120V 220 230V 700 L X 440 W X 408 H 281 2 L X 16 W X 17 H 48 Kg 106 lbs 39 r p m unloaded Single phase 700W series motor K type chuck S type chuck jaw insert 1 2 3 4 1 2 8090 Rear grip Side cover Scrap Receiver Oil pan Rear chuck FRONT Pipe stand Leg cap Drain plug Carriage Reamer Cutter handle Die head Carriage handle Hammer chuck Base Rear...

Страница 8: ...n a flat surface be sure to set up the machine with the rear chuck raised a little Once the machine is set up be sure to place the oil pan in its correct position If the rear chuck is too low oil will flow out of the pipe making the floor dirty and wasting oil 3 Thread cutting oil Fill the tank with the cutting oil that is supplied with the machine Use only genuine WHEELER REX threading cutting oi...

Страница 9: ... will be adversely affected Loosen Knock to the right Lever nut Eccentric handle Insert dies in their correspon ding slot Fig 6 Fig 7 4 No 4 NV auto Die Head There is no need to remove the die head from the machine Removing the dies Open the die head Fig 8 i e Pull the open lever as shown by the arrow marked Open Loosen the lever nut Fig 8 pull the cam plate as far as it will go in the direction o...

Страница 10: ...k Suggestions for short pipes Lightly grip the pipe with the chuck gently engage the dies with the end of the pipe to be threaded and then tighten the hammer chuck again Fig 11 Note Chuck the pipe with the pipe protruding at least 31 2 from the edge of the chuck jaw insert Fig 11 Fig 10 Fig 11 Pipe Hammer chuck Chuck Dies Short pipe Cutting edge 31 2 Insert WARNING 7 Power supply Before using the ...

Страница 11: ...uck Open the pipe cutter wider than the diameter of the pipe lower it into position and turn the cutter handle bringing the cutter close to the position where the blade and roller lightly press against the pipe Switch the machine on and turn the cutter handle up to 1 2 a turn for each rotation of the pipe Fig 15 Note If the cutter handle is turned too quickly it will affect the shape and finish of...

Страница 12: ...re hands as you could be seriously injured 10 Reaming Fig 17 Fig 18 CAUTION Reamer arm Reamer shaft Reamer knob Carriage Lock 2 Release Move forward Turn right 1 Before adjusting the size of the thread to be cut bring theeccentric handle towards you until it is in the position indicated Fig 19 1 2 Tighten the lever nut securely by hand 3 Thread size can be simply adjusted with the lever nut Move i...

Страница 13: ...w and release the dies to complete the threading process Note If you release the dies too abruptly it may result in an imperfect finish such as a step edged thread Fig 23 1 Finally complete the process by releasing the die head from the pipe by turning the carriage handle to the left If you place the die head in the raised position the flow of oil will stop Fig 23 2 11 Making threads Optional Manu...

Страница 14: ...e to the right of the red line on the front support bar CAUTION Fig 25 Fig 26 Fig 27 Lever nut Open lever Size plate Tighten Loosen Carriage handle Set 1 Open Open lever Marking on the cam plate fixing pin Large Small Open Set Auto open lever 1 Removing the auto open lever Fig 28 1 Loosen the hex socket cap screw M6 x 12 and remove the auto open lever together with the washer and the spring washer...

Страница 15: ... Fig 32 4 The thread is chipped Fig 32 5 Thread with uneven thickness Fig 32 6 Confirming the thread diameter Use a thread gauge to confirm the diameter is as it should be Threads may be affected by the condition of the dies blades cutting oil etc so be sure to use a thread gauge to check the thread This is especially important after you have changed the die set Thread gauge Other pipe thread gaug...

Страница 16: ...s Table 3 Table 6 Table 4 1 4 3 8 W5 16 7 8 1 2 1 1 2 W1 1 1 4 UNC5 16 2 M8 52 PF16 54 C19 51 For Steel pipes and Bolts For Bolts For Conduits Thicker Thinner For Conduit BSPT NPT 1 4 3 8 1 2 3 4 1 2 1 4 3 8 1 2 3 4 1 2 1 4 3 8 1 2 3 4 1 2 1 4 3 8 1 2 3 4 1 2 PF16 22 PF28 36 PF42 54 G BSPP 1 2 3 4 G BSPP 1 2 C19 25 C31 51 W5 16 W3 8 W7 16 W1 2 W5 8 W3 4 W7 8 W1 W11 4 5 16 3 8 7 16 1 2 9 16 5 8 3 4...

Страница 17: ...nd bearings about once a month Fig 35 1 Oiling the pipe cutter Before you operate the machine be sure to maintain lubrication by applying spindle oil or machine oil to the thread on the cutter handle roller shafts and blades once a day Fig 35 2 1 Grease Oil 2 Replacing the carbon brushes To protect the motor the unit is equipped with two auto stop carbon brushes When these brushes get too worn the...

Страница 18: ...ck jaw insert turn the hand wheel so that the indent is directly over the chuck jaw and remove the set screw inside it Also if the 6 bolts that fix the chuck in position come loose it will affect thread cutting so check regularly and tighten as needed 3 Cleaning the oil tank 4 Replacing Installing the chuck jaw set 5 Wiring diagram This machine is produced with great precision therefore should the...

Страница 19: ...ed Repairs are needed The motor is burned out Repairs are needed Repairs are needed Insert the plug into the power socket The carbon brushes are worn Replace with new ones according to the procedures on Pg 15 Adjust the die head according to the procedures on Pgs 10 13 Moving parts blocked by scrap Remove scrap The dies are worn The dies are chipped Replace with new ones Replace with new ones The ...

Страница 20: ...8090 WH3 4V60 1809D 0150 Manufacturer Product specifications are subject to change without prior notice ...

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