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Mac Afric ML392C I, Service Manual

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Mac Afric ML392C I Service Manual Download Page 20

 

 

19 

14 Machine Faults & Repairing Measures 

 
Take the plug off the socket before repairing and shut off the electric source 

No. 

Fault 

Reason 

Repairing Measure 

1 

The motor does not 
revolve although its 
switch is turned on 

a. AC supply not electrified or the 
fuse has been blown 
b. The wire connecting is relaxed or 
broken 
c. Contact fault of the switch 

a. Check the power source 
and fuse   
b. Check the wire 
c. Check the switch 

2 

The  motor  is  over 
heated 

a. There are short inside the motor 
b. The motor is overloaded 
c. AC supply is under voltage 

a. Check the motor 
b. Reduce the amount to 
feed 
c. Check the supply 
voltage 

3 

Bearings  are  over 
heated 

a. Bearings has been insufficiently 
b. The bearing inside is dirty 

Apply or ex change 
lubricant 

4 

Rotation  is  under 
speed 

a. AC supply is under voltage 
b. The belt is loose 
 

a. Restore the supply 
voltage 
b. Tauten the belt 
 

5 

Planing quality gets 
worse 

a. The tool edge is dulled or there are 
gaps 
b. Tools are fitted or adjusted 
improperly 

a. Sharpen the planer tool 
b. Refit the planer tool 

6 

The  machine  is 
charged 

Insulation of certain parts of the 
electric system is impaired and 
electricity leaked away 

Repair or replace them 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for ML392C I

Page 1: ...MODEL ML392CⅠ MULTIPLE USE WOODWORKING MACHINE SERVICE MANUAL ...

Page 2: ... protective device during the milling operation 4 To dismount sawblade if you have to operate the press planing milling and drill for a long time 5 Max diameter of milling cutter is less than 104mm 6 Let the milling feeding presser used as anti kickback jaw and the outfeed presser press the workpiece dependably The adjusted natural height should be lower than that of the level of milling cutter mi...

Page 3: ...ess planing feed speed 6 5m min Milling cutter diameter 74 104mm Milling thickness scale 6 60mm Max milling width 40mm Max drilling diameter 12mm Max drilling depth 90mm Milling arbor dia Φ20mm Motor power 1 5kW 220V 50Hz 380V 50Hz Net weight 135kg Overall dimension L B H cm 92 131 97mm 2 Noise Dust 2 1 Index of acoustic power Caution A long exposure to over 85 dB A may damage the operator s healt...

Page 4: ...f press planing is automatically The anti kickback jaw guarantee the security of operation The cutter head is installed on the milling arbor The milling protective device guarantee the security of milling operation 4 Carriage Installment During carriage using lifting hook Fig 2 To keep the machine balance handle carefully Keep the machine in a wide and arid place Fix the machine with ground bolt s...

Page 5: ... lock bolt 3 graduated disk 4 presser 5 sliding table 6 guide7 saw hood 8 lock bar 9 splitter 10 saw table 11 outfeed table 12 limiting rubber 13 track 14 supporter 15 press planing table 16 planing lock bar 17 auto feeding bar 18 elevating handle 19 bolt M8 30 20 bearing base 21 V belt A900 22 bolt M8 50 23 bolt M8 50 24 V belt A800 See Fig 5 mount the square iron 12 two pieces on the saw table 5...

Page 6: ...in Fig 6 mount the ruler base 3 on the front bench 1 with bolt 2 M6 12 three pieces Don t fixed the bolt 2 first put the guide 6 which connected with guide base 5 on the ruler base 3 lock them with lock lever 4 and check if the side of the guide is parallel with the saw blade If it is not parallel adjust the guide base 5 until they are parallel After mounting clean the bench and clean the no paint...

Page 7: ...drilling table 10 locate fence 11 presser group 12 adjustable screw 13 nut M6 14 hex head bolt M6 12 15 large spacer 6 140HV 16 press case 17 poke rod 18 hex head bolt M6 16 19 spacer 6 140HV 20 hex head blot M8 16 21 post rod 22 column guide 23 column guide 24 saddle 25 set hoop 26 27 level moving bolt 28 hex head bolt M8 16 29 sliding base 30 locking bar 31 guide 32 elevator 33 guiding column 34...

Page 8: ...ece 4 saw hood 5 saw table 6 presser 7 dial scale 8 crosscut table 9 screw M10 20 10 press plate 11 track 12 square iron 13 distance case 14 bolt M8 75 Fig 6 Guide mounting and adjustment diagram 1 front bench 2 bolt M6 12 3 ruler base 4 lock lever 5 guide base 6 guide ...

Page 9: ...LUGS ANTIDUST MASKS PROTECTION GLOVES SAFETY SHOES BEFORE STARTING WORK CHECK THAT THE WORKPIECE DOESNT HAVE METAL INSERTS NALS OR KNOTS OR DANGEROUS CRACKS ALWAYS MACHINE THE WORKPIECE IN THE DIRECTION OF THE VEINS NEVER MACHINE TOO SMALL WORKPIECES AS THEY ARE DAMGEROUS NOR TOO BIG OR HEAVY ONES IN RESPECT OF THE FEATURES OF THE MACHINE NOR TOO CURVED ONES TO MACHINE LONG WORKPIECES ALWAYS INSTA...

Page 10: ...ks prevention Although the recommendations stated in par 6 1 the operator may be subject to the following risks Cut risk during the adjustment mounting and removal of the tools and during the cleaning phase of the machine Use gloves keys and special equipment and carry out the operations with the necessary caution Cut risk during machining Don t put your hands on the tools when they are rotating u...

Page 11: ...l dimensions 260 30 3mm 7 2 Surface planing Fig 9 Surface planing occurs with one or more passes to straighten the first and the second side of a rough piece of wood After obtaining the complete flatness on the first side pass on to planing the second side at 90 to the previous one Let the first side against the guide 7 and the second side against the infeed table 4 put the left hand in front of t...

Page 12: ... 11 emergency stop switch Fig 10 Surface planing diagram for thin and thick workpiece 1 spindle hood 2 bridge guard supporter 3 bridge guard 4 front bench 5 sawing and planing guide 6 lock lever 7 ruler base 8 lock lever 9 sawing safety hood 10 sawing bench 11 emergency stop switch For planing operations on the wide side with a height of over 60mm adjust guards against the workpiece and rest it on...

Page 13: ...e 3 7 3 Press planing Fig 11 Fig 11 Press planing diagram 1 front guard 2 front bench 3 press planing table 4 outfeed roller 5 bridge guard 6 cutter spindle 7 infeed roller 8 anti kickback jaw 9 back bench 10 back guard This operation is necessary for machining the third and fourth side of the wood piece which is already planed on the first and second side in order to obtain the finished workpiece...

Page 14: ...laning table Don t machine too short workpieces the min length is 150mm while for long ones use outfeed supports Keep the knives sharp Button 1 should be positioned in position For any sudden trouble or accident press the button 2 Fig 14 At the end of work turn off the machine take the plug off the socket clean the machine 7 4 Sawing Fig 12 Fig 12 Sawing diagram 1 spindle hood 2 bridge guide suppo...

Page 15: ...n for use Wear goggles For too short workpiece use push board please For long workpiece use outfeed supports Check that the wood doesn t have cracks or dangerous knots Make the wood advance uniformly and slowly Remove off cuts and cut pieces in contact with the saw blade by means of wood and never use your hand to do so Do not remove the workpiece when the cut already started To obtain clean cuts ...

Page 16: ...utfeed presser press the workpiece dependably The adjusted natural height should be lower than that of the level of milling cutter Change over switch 1 in the position of R Fig 14 Infeed direction is the same as press planing direction The milling depth is about 3mm The Max depth is not more than 5mm The operator should stand at the left and back side of the machine 8 2 Instruction for use Wear go...

Page 17: ...change over switch 2 switch button 3 left wall board Turn off the machine and take the plug off the socket Cover the arbor by cover Mount drill bit 1 and tighten by lock screw Fig 13 Caution The max Φ12mm drill bit clockwise is permitted ...

Page 18: ...iece Avoid dangerous knots Wear working clothing Advance wood uniformly and slowly Press button 2 Fig 14 if there is something wrong Keep the bit sharp enough At the end of work turn off the machine remove the bit Mount spindle hood 10 V belt tension adjustment As shown in Fig 1 loose bolt 19 22 23 each two pieces rotate motor 1 around bolt 23 to make the V belt 24 tension lock the bolt 22 23 Move...

Page 19: ...perating completely shut off the electric resource Check the V belt motor every 500 hours Dismount the V belt hood when check If something is wrong please repair or change 12 Major Standardization Products Fragile Parts Name Specifications Amount Mount position Radial ball bearing 80204 2 Planing arbor Radial ball bearing 60203 4 Thickness feed drive V belt A900 1 Thickness feed drive V belt A800 ...

Page 20: ... b The motor is overloaded c AC supply is under voltage a Check the motor b Reduce the amount to feed c Check the supply voltage 3 Bearings are over heated a Bearings has been insufficiently b The bearing inside is dirty Apply or ex change lubricant 4 Rotation is under speed a AC supply is under voltage b The belt is loose a Restore the supply voltage b Tauten the belt 5 Planing quality gets worse...

Page 21: ...20 LNo 20060115T03 M2 5 ...

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