background image

 

 

Fig 5 

 

Fig 6 

 

Fig 7 

Guard assembly: 

Attach guard to the bracket by 
inserting the rod and lifting up on the 
plunger (A, Fig 8). 

 

Fig 8 

There are two detents that will hold the 
guard in place. 
One is for turning and the other is for 
when you need the guard up and out 
of the way. 

Tighten the bushings (B) against the 
bracket with two set screws (C). 

 

Fig 9 

Optical comparator assembly: 

Mount the comparator rear bracket (A, 
Fig 10) to the back of the tailstock with 
two socket head cap screws, lock 
washers and washers (B). 

The bracket has a slot so it can be 
aligned with the bracket on the 
headstock. 

The comparator allows to hold a 
sample workpiece for optical reference 
and comparative measurement taking. 
( see Fig 11-12). 

 

Fig 10 

 

Fig 11 

 

Fig 12

 

 

 

 

5.3 Mains connection 

Mains connection and any extension 
cords used must comply with 
applicable regulations. 
The mains voltage must comply with 
the information on the machine licence 
plate.  

The mains connection must have a  
16 A surge-proof fuse. 

Only use power cords marked H07RN-

Connections and repairs to the 
electrical equipment may only be 
carried out by qualified electricians.  

 

5.4 Dust collection 

Use a suitable dust collection and 
filtration system to avoid a high dust 
concentrations in the air. 

 

5.5 Starting operation 

You can start the machine by pulling 
the red ON/OFF button (A, Fig 13).  

 

Fig 13 

The machine will stop when you push 
the red ON/OFF button (A, Fig 13) or 
the remote control ON/OFF button (Fig 
14). 

 

Fig 14 

Turn the knob (C) to the desired RPM. 
There are 2 speed ranges offering 
“speed” (0-3200 rpm) and 
“torque” (0-1200 rpm). 

Summary of Contents for 3520B

Page 1: ...he period specified above from the date the product was purchased at retail To take advantage of this warranty the product or part must be returned for examination postage prepaid to an authorized repair station designated by our office Proof of purchase date and an explanation of the complaint must accompany the merchandise If our inspection discloses a defect we will either repair or replace the...

Page 2: ...e chisel with both hands safe and tight during machining Work only with well sharpened tools Machine only stock which is chucked securely on the machine always check before switching the machine on Provide workpieces with centre holes before clamping between centres Work large and unbalanced workpieces at low spindle speed only When sanding remove the tool rest from the machine Workpieces with cra...

Page 3: ...ol caddy Comparator centers Remote ON OFF switch Operating tools Assembly kit Operating manual Spare parts list Fig 1 5 Transport and start up 5 1 Transport and installation The machine is designed to operate in closed rooms and must be placed stable on firm and levelled ground The machine can be bolted down if required For packing reasons the machine is not completely assembled 5 2 Assembly If yo...

Page 4: ...ement taking see Fig 11 12 Fig 10 Fig 11 Fig 12 5 3 Mains connection Mains connection and any extension cords used must comply with applicable regulations The mains voltage must comply with the information on the machine licence plate The mains connection must have a 16 A surge proof fuse Only use power cords marked H07RN F Connections and repairs to the electrical equipment may only be carried ou...

Page 5: ...or scraping and to set diameters 6 3 Speed selection Use low speeds for roughing and for large diameter work If vibrations occur stop the machine and correct the cause See speed recommendations Speed recommendations Workpiec e Diameter mm Roughin g RPM Genera l Cutting RPM Finishin g RPM 50 1500 3200 3200 50 100 700 1600 2500 100 150 500 1100 1600 150 200 370 800 1200 200 250 300 650 1000 250 300 ...

Page 6: ...rim to the bottom of the bowl to ensure a clean sweeping curve through the workpiece Move tool support to the exterior to re define bottom of bowl 6 6 Sanding and Finishing Remove the toolrest and begin with a fine grit sandpaper 120 grit and progress through each grit using only light pressure Use power sanding techniques to avoid concentric sanding marks Finish sanding with 220 grit Apply first ...

Page 7: ...Position the tool rest as close to the workpiece as possible Tighten handle C Fig 31 to lock Set the height to appr 3mm above centreline Tighten indexable knob D Fig 31 7 6 Adjusting tailstock Turn the hand wheel P Fig 32 clockwise to move tailstock spindle forward Lock tailstock spindle with the indexable knob O Fig 32 The handle Q locks the tailstock in position on the bed The live centre can be...

Page 8: ...ighten the lock washer Note To remove the pulley for bearing replacement it is needed to loosen the 2 set screws C Fig 36 Fig 36 Make sure the pulleys are oriented properly after reassembly for straight belt runnig 9 Trouble shooting Motor doesn t start No electricity check mains and fuse Defective switch motor or cord consult an electrician Overload detected on AC drive unit wait and restart mach...

Page 9: ...ock number 708343K Drill chuck 13 mm with tapered mandrell MT 2 Stock number 709960 Adapter M33x3 5 1 x 8 TPI Stock number 708332 Face shield Refer to the JET Pricelist for various tools and work holding ...

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