background image

 

 
 

Figure 3:  Cross Brace Tube Installation 

 

 

Figure 4:  Height Adjust Assy. Installation 

 

4.  Turn the crank on the height adjust assy. and raise the mower to its highest position.  At this 

time securely tigh

ten the 1/2” x 3” hex head bolts, lock washers and nuts holding the cross 

brace tubes in place.  This step insures that proper alignment of the carrier arms has been 
achieved. 

 

 

Height Adjust Assy. 

Cross Brace 
Tube 

1/2” x

 

3” Bolt

 

Screw Mounting 
Flat 

Height Adjust 
Assy. 

1/2” x 1” Bolt

 

Lower Deck 
Mount 

Screw 

Summary of Contents for AcrEase MR44B

Page 1: ...1 12 20 44 ROUGH CUT OWNER S MANUAL With Assembly Instructions For Models MR44B MR44BC KUNZ ENGINEERING INC MENDOTA IL 61342 PH 815 539 6954 ...

Page 2: ...2 ...

Page 3: ...Intended Use 9 Tongue Configurations and Adjustments 9 Adjusting Cutting Height 10 Starting Engine 12 Shutting Off Mower 13 Mower Operation 13 MAINTENANCE 14 Drive Belt Removal and Tension 14 Mower Blade Removal Balancing Installation 17 Lubrication 17 Engine Maintenance 17 Storage 17 EPA Evaporative Components 17 SPECIFICATIONS 18 Engine 18 Mower 18 Weight Dimensions 18 SERVICE PARTS 19 Parts Lis...

Page 4: ...ety information in a variety of forms including Safety Labels on the mower Safety Messages preceded by a safety alert symbol and one of three signal words DANGER WARNING or CAUTION These signal words mean Indicates an imminently hazardous situation that if not avoided will result in death or serious injury This signal word is to be limited to the most extreme situations typically for machine compo...

Page 5: ...ot mow when children and others are around Keep all safety shields and deflectors in place during operation Shut off the engine and allow the mower blades to come to a complete stop before making any adjustments to the mower Shut off engine before disconnecting the wing mower from the tow vehicle or attempting to move the wing mower by hand Never carry children or passengers Do not allow children ...

Page 6: ...That Are not Readable or Damaged Replacement decals can be purchased from your local dealer or Kunz Engineering Inc Mendota IL 61342 815 539 6954 275003 Danger Decal Cut Hand Foot 275007 Warning Decal Belt Sheild 275002 Warning Decal General Serial and Model Decal ...

Page 7: ...Left and right are determined by looking in the direction of travel or by standing at the rear of the deck assembly looking forward 2 Install the rear tire assemblies on the carrier arm assemblies Remove the hex nut and lock washer from the rear tire assembly and install the 5 8 x7 1 2 tire axle bolt through the hole in the carrier arm assembly See figure 1 Secure assembly with the lock washer and...

Page 8: ...lts lock washers and nuts that are located on the top of each carrier arm four per carrier arm The removed hardware will be used in step 2 2 Install the cross brace tubes on the carrier arms with the 1 2 x 3 hex head bolts lock washers and nuts Only hand tighten the hardware for this step The support that has the height adjust assy fastened to it needs to be placed on the rear location Orientate t...

Page 9: ...r to its highest position At this time securely tighten the 1 2 x 3 hex head bolts lock washers and nuts holding the cross brace tubes in place This step insures that proper alignment of the carrier arms has been achieved Height Adjust Assy Cross Brace Tube 1 2 x 3 Bolt Screw Mounting Flat Height Adjust Assy 1 2 x 1 Bolt Lower Deck Mount Screw ...

Page 10: ...nut provided 2 Install the tongue into the hitch pivot and secure by placing the provided 5 16 wire lock pins on each side of the hitch pivot Note To help prevent any unwanted pin removal caused by oncoming debris install the 5 16 wire lock pins with the wire lock section back from the direction of travel See Figure 6 Figure 5 Assembly of the Tongue and Hitch Pivot Hitch Pivot Attach to Either Lef...

Page 11: ...miliar with all functions of the unit A INTENDED USE This mower is intended for use behind an ATV UTV utility vehicle side by side or small tractor to cut grass weeds brush and saplings up to 2 in diameter B TONGUE CONFIGURATIONS AND ADJUSTMENTS Shut off the engine and allow the mower blades to come to a complete stop before adjusting the tongue The hitching system is designed so that the rough cu...

Page 12: ...wer separating from the tow vehicle The tongue is designed to adjust from left to right within the hitch pivot This allows the mowers position to be varied behind the tow vehicle This is accomplished by pulling the 5 16 wire lock pins out and choosing two other hole locations on the tongue See Figure 6 Figure 7 Rough Cut Tow Behind Towing Suggestions B ADJUSTING CUTTING HEIGHT Shut off all engines...

Page 13: ...loosen too much or excess wear and flexing may occur Greasing the threads on the height adjust screw may also allow greater ease in adjustment Note After setting the initial cutting height quick field adjustments can be completed by counting crank turns Roughly 8 turns will equal 1 of vertical movement Figure 8 Adjusting Rough Cut Mower Cutting Height The adjustment crank may unturn due to vibrati...

Page 14: ... allow engine to warm up Set engine speed at about half throttle and slowly engage mower blades clutch handle The clutch handle is located at the front of the mower under the engine Note Some belt squealing may occur on engagement This is normal for a manual clutch engagement design If the mower s engine dies while in use remove the rough cut mower from the uncut area before attempting to engage t...

Page 15: ...hrown by the blades Do not mow when children and others are around Do not fill fuel tank while engine is running or hot Keep all safety shields and deflectors in place during operation Remove grass build up from under safety shields before each use Do not remove safety shields while engine is running Dry grass build up around belts and sheaves can cause fires Shut off engine before disconnecting t...

Page 16: ...ile mowing The engine should run free and not work too hard Working the engine too hard will cause overheating and premature failure If the mower s engine dies while in use remove the rough cut mower from the uncut area before attempting to engage the clutch Inspect the blades for any obstructions that may prevent blade engagement Failure to follow these instructions may result in premature belt f...

Page 17: ... 3 1 4 For maximum belt life periodic checks every 3 4 hours should be done to make sure the spring length has not exceeded the recommended running length Note Failure to periodically adjust the belt tension will result in severe belt wear and premature belt failure This model comes with a belt brake which is a safety feature that stops the blades from turning after the clutch is disengaged The on...

Page 18: ... spring length is over 4 it will be necessary to adjust the brake stud closer to the belt If the spring length is less than 3 1 4 it will be necessary to adjust the brake stud further away from the belt To make brake stud adjustments loosen the bolt on the top of the brake stud and slide the brake stud in the slot When the proper disengaged spring length is achieved tighten the bolt on the top of ...

Page 19: ...used during the removal of the blades C LUBRICATION There are three lubrication points on the rough cut mower one spring loaded idler pivot and two caster wheel pivots Lubricate at approximately 10 hr intervals or more often as required in dusty conditions D ENGINE MAINTENANCE Refer to the engine manual provided in the owner s manual packet E STORAGE Turn off the fuel shut off valve red colored ro...

Page 20: ...lt 5 16 18x1 50 Through Bolt Starter Electric Electric Choke Manual Manual MOWER Fuel Tank 3 Gal 3 Gal Effective Cutting Width 44 44 Deck Construction 8 ga Welded steel 8 ga Welded steel Cutting Height 2 to 8 2 to 8 Height Adjustment Single Crank Single Crank Rear Wheels Fixed 4 ply Turf Pnuematic Two 15 600 x 6 Two 15 600 x 6 Front Wheels Caster 4 ply Turf Pnuematic Two 5 30 4 50 x 6 Two 5 30 4 5...

Page 21: ... Shaft 1 900160 Housing Assy With Two Bearings 1 243006 Bearing 6206 w Trash Guard Seals 2 600271 Bearing Spacer 3 33 Long 1 241011 Sheave 5 56 Dia B Section 1 16 259008 Offset Mower Blade 2 1 2 Wide 23 Long 3 4 Hole 2 17 260004 Roll Over Fuel Vapor Valve Includes Gromet 1 18 264000 Solenoid 1 19 264010 Ignition Switch 1 20 264003 Hour Tack Meter Optional 21 269000 Choke Control 20 MR44B 1 21 2690...

Page 22: ...0291 Canister Support California Only 1 41 600292 Clutch Arm 1 42 600305 Control Panel 1 43 600306 Tank Support 1 44 900049 Battery Box Assy 1 45 900058 Hitch Pivot 1 46 900061 Pivot Arm 4 47 900082 Tongue 1 48 900148 Caster Fork 1 49 900150 Engine Support Bracket 1 50 900154 Upper Actuator Mount 2 51 900155 Carrier Arm 2 52 900156 Mower Deck 1 53 900157 Height Adjust Nut 1 54 900158 Screw Adjuste...

Page 23: ...21 ACREASE 44 ROUGH CUT MOWER PARTS 43 3 4 5 7 8 9 2 12 16 32 19 18 29 21 23 24 26 10 28 34 39 54 52 42 38 49 44 45 46 48 30 13 51 35 37 33 22 41 6 25 36 20 40 15 50 53 31 47 1 11 14 17 27 40 55 ...

Page 24: ...t all year around Works well in combination with small personal amphibious vehicles or tracked ATVs More than doubles the tire surface area in contact with the ground Very easy to install bolt on kit Works on all existing and new rough cut mowers The rough cut mower will not float with the wetlands kit installed Water greater than 2 3 in depth should be avoided With the Wetlands Kit installed the ...

Page 25: ...ote control panel Great for constantly changing terrain and grass brush heights Allows for quick cutting height changes on the go from the seat of the tow vehicle Raise up and over rocks and logs with ease Heavy duty 1500 lb linear screw actuator made by Linak Works on all existing and new rough cut mowers Shown on the 57 Rough Cut Mower Electric Lift Kit Part 003912 ...

Page 26: ...nd ponds and on rough uneven ground where scalping would normally occur Clamping style receiver allows for adjustments from side to side with both the front and rear tires Pinned receivers make for quick kit removal when not needed Works on all existing and new rough cut mowers Shown on the 57 Rough Cut Mower Rear Floatation Kit Part 003907 Front Floatation Kit Part 003908 ...

Page 27: ...arts will be shipped by regular ground delivery If next day or second day service is required the customer will be responsible for additional shipping costs 5 This warranty will not cover parts damaged for the following reasons a Failure to follow proper set up procedures outlined in the Owner s Manual b Operator misuse or neglect c Accidents d Design alterations e Repairs not done according to ma...

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