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14

S

ection

 6— M

aintenance

 & a

djuStMentS

4. 

Lift the chute deflector up to keep it out of the way. See 

Figure 6-2B.

5. 

Remove the two hairpin clips from each clevis pin which 
extend through the housing and remove pins. See Figure 
6-2C.

6. 

Remove the flail screen from inside the housing and clean 
the screen by scraping or washing with water. See Figure 
6-2D.

7. 

Reinstall the screen, making certain to reassemble the flail 
screen with the curve side down.

8. 

Reattach the chute deflector with the hardware previously 
removed and connect the bag to unit.

Removing the Flail Screen

WARNING: 

The impeller’s shredder blade and 

chipper blades are sharp. Wear leather work gloves 
to protect your hands when cleaning out the 
reduction chamber.

If the discharge area becomes clogged, remove the flail screen 
and clean area as follows:
1. 

Stop engine and make certain the chipper shredder has 
come to a complete stop.

WARNING: 

The muffler and surrounding area will 

be hot if the engine has been running. Use caution 
and protect your hands if working near the muffler. 

2. 

Disconnect spark plug wire from spark plug and ground 
against the engine.

3. 

Remove the bag and two wing knobs on each side of the 
chute deflector. See Figure 6-2A.

Figure 6-2

Содержание 452J Series

Страница 1: ...ntenance Service Troubleshooting Warranty WARNING READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL BEFORE ATTEMPTING TO OPERATE THIS MACHINE FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY Operator s Manual Form No 769 08122 04 20 2012 Chipper Shredder Model Series 452J ...

Страница 2: ...strated in this manual may not be applicable to all models MTD LLC reserves the right to change product specifications designs and equipment without notice and without incurring obligation If applicable the power testing information used to establish the power rating of the engine equipped on this machine can be found at www opei org or the engine manufacturer s web site If you have any problems o...

Страница 3: ... could be picked up or thrown and cause personal injury or damage to the machine 2 Always wear safety glasses or safety goggles during operation and while performing an adjustment or repair to protect your eyes Thrown objects which ricochet can cause serious injury to the eyes 3 Wear sturdy rough soled work shoes and close fitting slacks and shirts Loose fitting clothes or jewelry can be caught in...

Страница 4: ...bottles cans or other foreign objects which could cause personal injury or damage to the machine 4 If it becomes necessary to push material through the shredder hopper use a small diameter stick Do not use your hands or feet 5 If the impeller strikes a foreign object or if your machine should start making an unusual noise or vibration immediately shut the engine off Allow the impeller to come to a...

Страница 5: ...t all mechanical and safety systems are working properly and not worn excessively Failure to do so can result in accidents injuries or death Do not modify engine To avoid serious injury or death do not modify engine in any way Tampering with the governor setting can lead to a runaway engine and cause it to operate at unsafe speeds Never tamper with factory setting of engine governor Notice Regardi...

Страница 6: ...ands out of inlet and discharge openings while machine is running There are rotating blades inside BYSTANDERS Keep bystanders pets and children at least 75 feet from the machine while it is in operation Stop machine if anyone enters the area WARNING THROWN DEBRIS Never operate without the chute deflector properly attached to the machine EYE PROTECTION Always wear safety glasses or safety goggles w...

Страница 7: ...igure 3 1A 2 Place hopper assembly into position in front of impeller housing aligning holes in hopper assembly collar with weld studs See Figure 3 1B 3 Slide hopper assembly onto weld studs and replace washers and hex nuts See Figure 3 1C Do not tighten completely B A C Figure 3 1 4 Lift hopper assembly up to impeller bracket assembly See Figure 3 2A 5 Slide the release rod out slightly to hook t...

Страница 8: ...eller housing See Figure 3 3B 3 Align the chute deflector in position on the discharge opening and insert hex bolt with spacer through hinge on chute deflector spacers fit inside of hinges See Figure 3 4A A B C Figure 3 4 4 Place second spacer over hex bolt inside other hinge and secure with hex lock nut See Figure 3 4B 5 Secure both sides of chute deflector to impeller housing using wing knobs pr...

Страница 9: ...manual for additional engine information 1 Add oil provided before starting unit for the first time out of the box 2 Service the engine with gasoline as instructed in the separate engine owner s manual WARNING Use extreme care when handling gasoline Gasoline is extremely flammable and the vapors are explosive Never fuel the machine indoors or while the engine is hot or running Extinguish cigarette...

Страница 10: ...ed into the hopper by lowering it down to the ground Release Rod The release rod is located on the impeller bracket assembly and it is used to release or lock the hopper when raising or lowering Figure 4 1 Discharge Chute The discharge chute is where the material exits the unit and can be bagged Engine Controls See the engine Owner Operator manual packed with your unit for the location and functio...

Страница 11: ...rator s manual NOTE A warm engine may not require choking or priming 4 Move throttle control lever to FAST position if equipped See Figure 5 1 Figure 5 1 5 Grasp starter handle and pull rope out slowly until engine reaches start of compression cycle rope will pull slightly harder at this point NOTE A noise will be heard when finding the start of the compression cycle This noise is caused by the fl...

Страница 12: ...hredded before adding additional debris to the hopper Failure to due so may result in a clogged hopper clogged chute deflector or a stalled engine IMPORTANT The flail screen is located inside the housing in the discharge area If the flail screen becomes clogged remove and clean as instructed in the Maintenance Adjustments section For best performance it is also important to keep the chipper blade ...

Страница 13: ...son 4 Follow the separate engine manual packed with your unit for engine lubrication instructions Equipment Care Clean the chipper shredder thoroughly after each use Wash bag periodically with water Allow to dry thoroughly in shade If the discharge area becomes clogged remove flail screen and clean as instructed below NOTE Cleaning with a forceful spray of water is not recommended as it could cont...

Страница 14: ...emoved and connect the bag to unit Removing the Flail Screen WARNING The impeller s shredder blade and chipper blades are sharp Wear leather work gloves to protect your hands when cleaning out the reduction chamber If the discharge area becomes clogged remove the flail screen and clean area as follows 1 Stop engine and make certain the chipper shredder has come to a complete stop WARNING The muffl...

Страница 15: ...de 7 To replace the other blade rotate the impeller to expose the second blade and repeat the steps above NOTE Make certain blades are reassembled with the sharp edge facing upward Torque hardware to 250 300 in lbs WARNING The impeller s chipper blades and shredder blade are sharp Wear leather work gloves to protect your hands Blade Care Chipper Blades WARNING Always stop engine disconnect spark p...

Страница 16: ...lt to between 550 and 700 in lbs and the two outside bolts to between 250 and 350 in lbs NOTE Use a 3 16 hex key Allen wrench on the outside of the shredder blade and a 1 2 box or socket wrench on the inside of the shredder blade Hold the Allen wrench stationary and rotate the box or socket wrench to loosen the nut Use caution when removing the blade to avoid contacting the weld studs on housing I...

Страница 17: ...oline 4 Always run engine at full throttle 5 Drain fuel tank Refill with fresh fuel 6 Refer to engine manual 7 See authorized service dealer Engine overheats 1 Engine oil level low 2 Dirty air cleaner 3 Carburetor not adjusted properly 1 Fill crankcase with proper oil 2 Refer to engine manual 3 See authorized service dealer Occasional skips hesitates at high speed 1 Spark plug gap too close 2 Carb...

Страница 18: ... Chipper Blade 719 04308 Flail Blade 3 total 934 04009 Wheel Asm Comp 10X4 Oyster Carlise Phone 800 800 7310 to order replacement parts or a complete Parts Manual have your full model number and serial number ready Parts Manual downloads are also available free of charge at www mtdproducts com ...

Страница 19: ...Notes 10 19 ...

Страница 20: ...hese items may carry a separate manufacturer s warranty Refer to applicable manufac turer s warranty for terms and conditions b Log splitter pumps valves and cylinders have a separate one year warranty c Routine maintenance items such as lubricants filters blade sharpening tune ups brake adjustments clutch adjustments deck adjustments and normal deterioration of the exterior finish due to use or e...

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