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•  Do not operate the planer when tired, distracted or under 

the effects of drugs, alcohol or any medication that impairs 
reflexes or alertness.

•  Ensure your working area is well lit and free of debris.

•  Keep children and visitors at a safe distance when the 

planer is in operation. Do not permit them to operate 
the planer.

•  Prevent unauthorized or unsupervised use by child 

proofing and tamper proofing your shop and all 
machinery with locks, master electrical switches and 
switch keys.

•  Stay alert! Give your work your undivided attention. Even a 

momentary distraction can lead to serious injury.

•  Fine particulate dust is a carcinogen that can be hazardous 

to health. Work in a well-ventilated area and whenever 
possible use a dust collector. Protect your face, eyes, 
ears, lungs and body with suitable personal protective 
equipment.

•  Do not wear loose clothing, gloves, bracelets, necklaces or 

other jewelry while the planer is in operation.

•  Remove adjusting wrenches, tools and other clutter from 

the machine and the table surface before operating the 
machine.

•  Keep hands well away from the cutterhead and all moving 

parts. Feed stock with a push stick, and use a brush, not 
your hands, to clear away chips and dust.

•  Make sure carbide inserts are correctly and securely 

installed in the cutterhead.

•  Inspect stock and remove all foreign objects before 

planing. Make sure that stock is clean and free of dirt, 
nails, staples, rocks or any other foreign objects that could 
damage the carbide inserts. Only process natural solid 
wood boards. Never plane MDF, particle board, plywood, 
laminates or any synthetic materials.

•  Do not force material. The planer performs best when 

working at the manufacturer's intended rate.

•  To minimize the risk of injury from kickback, which 

occurs when the workpiece is ejected by the force of the 
cutterhead, use proper feeding technique and stand to one 
side, out of the path of a potential kickback.

•  Avoid working from awkward or off balance positions. Do 

not overreach and keep both feet on floor.

•  Select appropriate feed speed for the stock being planed: 

Use high speed for soft wood and slow for hardwood.

•  Place stock firmly against the table and use in-feed and 

out-feed support if stock is too long.

•  Keep guards in place and in working order. If a guard must 

be removed for maintenance or cleaning, properly re-
attach it before using the planer again.

•  Never leave the planer unattended while it is running or 

with the power on.

•  Never stand on machinery. Serious injury could result 

if the planer is tipped over or if the belt or disc is 
unintentionally contacted.

•  Always disconnect the machine from the power source 

before changing inserts; performing maintenance, cleaning 
or servicing; or leaving the machine unattended.

•  Ensure the switch is in the OFF position before plugging in 

the power cord.

•  Make sure the machine is properly grounded. If equipped 

with a three-prong plug, use it with a three-pole 
receptacle. Never remove the third prong.

•  Do not use this planer for other than its intended use. 

If used for other purposes, KMS Tools and Equipment 
disclaims any real or implied warranty and holds itself 
harmless for any injury that may result from that use.

To help ensure safe operation, please take a moment to learn the how to operate the machine 

and understand its applications and limitations, as well as potential hazards. KMS Tools and 

Equipment disclaims any real or implied warranty and holds itself harmless for any injury that may 

result from the improper use of its equipment.

RULES for SAFE OPERATION 

MAGNUM INDUSTRIAL 20" HEAVY-DUTY PLANER 

MI-31550 / MI-31552 / MI-31553

Summary of Contents for MI-31550

Page 1: ...MODEL NO MI 31550 MI 31552 MI 31553 OPERATING MANUAL...

Page 2: ...o minimize the risk of injury from kickback which occurs when the workpiece is ejected by the force of the cutterhead use proper feeding technique and stand to one side out of the path of a potential...

Page 3: ...d electrician The machine must be connected to an electrical source using a power cord that has a grounding wire which must also be properly connected to the grounding prong on the plug The outlet mus...

Page 4: ...ne is shipped from the factory partially assembled and requires only minimal assembly and set up before being put into service Before you assemble your band saw review the parts breakdown and keep it...

Page 5: ...he corresponding holes in the machine Secure the chute with the six FLANGE BOLTS F Use a 10 mm wrench See Figure 6 CONNECTING TO A DUST COLLECTOR The dust chute connects to a 5 hose Make sure to use a...

Page 6: ...ION The magnetic safety switch is equipped with an overload protection feature In the event of a spike in line voltage or amperage draw the internal overload protector will automatically trip and cut...

Page 7: ...the height of the table rollers follow these steps 1 Loosen the LOCK LEVER B and turn the ADJUSTMENT LEVER C up or down as needed 2 Tighten the LOCK LEVER B to secure the rollers at the desired heigh...

Page 8: ...rain in the wood Before being fed through the planer all lumber should be inspected for debris and foreign objects such as staples or nails Foreign objects embedded in your workpiece can be ejected fr...

Page 9: ...appropriate feed speed for the stock use high speed for soft wood and slow for hardwood Experiment with feed speeds to find the right speed for each workpiece To increase the feed speed see Figure 14...

Page 10: ...UT AND SCREW but do not tighten them yet 4 Center the INSERT HOLDER C with the flat edge of the NUT and fully tighten the NUT AND SCREW See Figure 17 5 Follow steps 1 to 4 with the remaining inserts T...

Page 11: ...te the planer with a damaged switch If you notice any damage to the ON OFF switch replace it immediately Keep the machine and table clean and free of sawdust wood chips pitch or glue Regularly vacuum...

Page 12: ...5 LUBRICATING ROLLER SPRINGS 25 LUBRICATION Lubricate the ELEVATION SCREWS A SLIDING SURFACES B and CHAINS C every month Use all purpose grease for the CHAINS and ELEVATION SCREWS Use all purpose oil...

Page 13: ...re located on the left side of the planer To access them remove the upper and lower panels on the left side of the planer using a 4 mm Allen key Using a straight edge check that the pulleys are proper...

Page 14: ...and then raise or lower the two NUTS B with a 19 mm wrench to increase or decrease belt tension See Figure 30 2 Retighten the JAM NUTS A against the motor mounting plate 3 Close the motor access door...

Page 15: ...rtation costs are not covered by the warranty As determined on a case by case basis parts may need to be inspected by an authorized Magnum Industrial representative before parts are eligible for warra...

Page 16: ...43 1 43 2 43 3 43 4 43 5 43 6 PARTS LIST FOR MI 31550 MI 31552 MI 31553 43 1 6 7 2 3 4 5 1...

Page 17: ...PARTS LIST FOR MI 31550 MI 31552 MI 31553...

Page 18: ...PARTS LIST FOR MI 31550 MI 31552 MI 31553...

Page 19: ...PARTS LIST FOR MI 31550 MI 31552 MI 31553...

Page 20: ...5 23 2 0t 16 MI 31550 36 SCREW 4 MI 31550 37 LEFT SUPPORT SHAFT 1 MI 31550 38 HEX SCREW M8 1 25P 20 4 MI 31550 39 WASHER 1 MI 31550 40 CUTTERHEAD PULLEY 1 MI 31550 41 FLAT WASHER 6 2 22 3t 7 MI 31550...

Page 21: ...5 FLAT WASHER 5 3 12 1 0t 4 MI 31550 96 ROUND HD SCREW M5 0 8P 16 4 MI 31550 97 STOP SWITCH 1 MI 31550 99 START SWITCH 1 MI 31550 100 HEX NUT M5 0 8P 8B 4H 2 MI 31550 101 SWITCH BOX 1 MI 31550 102 SOC...

Page 22: ...LAT WASHER 13 5 28 2 0t 4 MI 31550 173 HEX SCREW M8 1 25P 25 6 MI 31550 174 SET SCREW M8 1 25P 20 6 MI 31550 175 DIGITAL READ OUT ASSY 9 inch 1 MI 31550 176 RELIEF BUSHING PGB21 16B 1 MI 31550 178 EXP...

Page 23: ...24 WRENCH BOX 17 19 1 MI 31550 227 HEX SCREW M10 1 5P 35 14 MI 31550 231 FLAT WASHER 6 3 13 1 0t 4 MI 31550 232 CONNECT CORD MI 31550 MI 31552 MI 31553 SJT18AWG 3C 1750mm 1 MI 31550 233 KEY 6 6 40 1 M...

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