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57” ROUGH CUT

 

 

                               

 

MR55K 

 

 
 

 

 

 

 
 
 

 

 
 
 

 
 
 

MR55B 

 

 

 

 

 

 

 
 
 
 
 
 

OWNER’S MANUAL

For Models:  MR55T, MR55B-17.5HP, MR55B-22-23HP & MR55K 

 

KUNZ ENGINEERING, INC. 

42   /   PH (815) 539-6954

 

1/09

 

With Assembly Instructions 

 

  /   MENDOTA, IL 613

Summary of Contents for AcrEase MR55B

Page 1: ...57 ROUGH CUT MR55K MR55B OWNER S MANUAL For Models MR55T MR55B 17 5HP MR55B 22 23HP MR55K KUNZ ENGINEERING INC 42 PH 815 539 6954 1 09 With Assembly Instructions MENDOTA IL 613 ...

Page 2: ... 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 components which for functional purposes cannot be guarded WARNING Indicates a potentially hazardous situation that if not avoided could result in death or serious injury and includes hazards that are exposed ...

Page 3: ... might be picked up and thrown by the blades WARNING Do not mow when children and others are around WARNING Keep all safety shields and deflectors in place during operation WARNING Shut off the engine and allow the mower blades to come to a complete stop before making any adjustments to the mower WARNING Shut off engine before disconnecting the mower from the tow vehicle or attempting to move the ...

Page 4: ...ety Signs That Are not Readable or Damaged Replacement decals can be purchased from your local dealer or Kunz Engineering Inc 61342 815 539 6954 275003 Danger Decal Cut Hand Foot 275007 Warning Decal Belt Sheild 275002 Warning Decal General Serial and Model Decal 3 ...

Page 5: ...ck assembly Place the assembly so that the castered tires are on the front and the fixed tires are on the back See figure 2 Secure with 1 2 x 3 1 2 hex head bolts and lock nuts provided on the pivot arms Mount the height adjust screw on the deck assembly in the hole provided Secure with the 1 2 x1 hex head bolt and lock nut provided on the height adjust screw Note Tighten 1 2 x 3 1 2 and 1 2 x 1 h...

Page 6: ...tch Pivot and Tongue Rear Tire As Carrier Arm A Direct Behind Position Offset Position sy Attach on outside for both left and right sides Pivot Arm ssy Height Adjust Screw Hitch Pivot Attach to Either Left or Right Carrier Arm Assy Tongue Front Rubber Flap Side Flat Washer Lock Washer Cup Washer Hex Nut and Bolt 5 ...

Page 7: ...re adjusting the tongue The hitching system is designed so that the rough cut mower can be pulled directly behind a tow vehicle or offset to the left or right See Figure 4 Note When pulling the mower directly behind the hitch pivot should be fastened on the right carrier arm for maximum maneuverability See Figure 2 When pulling the mower in the offset position the hitch pivot can be fastened on ei...

Page 8: ...mplished by pulling the 5 16 wire lock pins out and choosing two other hole locations on the tongue See Figure 3 Figure 5 Adjusting Rough Cut Mower Cutting Height ent loss of the screw pin due to vib Offs Directly Behind et Figure 4 Rough Cut Tow Behind Towing Suggestions B ADJUSTING CUTTING HEIGHT W be ARNING Shut off the engine and allow the mower blades to come to a complete stop fore adjusting...

Page 9: ... be secured by folding it down between the adjustment nut tube and the upper pivot support See Figure 6 DANGER Shut off tow vehicle engine and allow mower blades to stop completely before attempting to measure the cutting height Adjust the mower as follows 1 Pull the mower o 2 Adjust the mower evenly from side to side by measuring to the ground from the lower edge of eight will be the distance fro...

Page 10: ...ow the engine speed down and disengage the clutch handle Allow engine to cool down for a short time before moving the ignition switch to the off position Turn off fuel shut off valve which is located on the underside of the gas tank MOWER OPERATION DANGER Keep hands feet hair and clothing away from moving parts an or replace any safety signs that are not readable or damaged ING ENGINE T WARNING At...

Page 11: ...move the rough cut mower from the e attempting to engage the clutch Inspect the blades for any obstructions that may prevent blade engagement Failure to follow these instructions may result in Do not be taken to make sure the engine is getting enough inlet air Do not allow the engine cooling fins t a the blades remove safety shields while engine WARNING Shut off engine before disconnecting the m A...

Page 12: ...ields eaves drive s ure that the belt is placed between the brake stud and the idl e clutch engaged adjust the nuts on the spring loaded idler adjuster bolt until the length o ng is between 2 and 2 1 8 Fo th 4 1 2 long spring This in after several hours of mowing the running spring length should be between 2 1 4 For models with 3 long spring or 2 5 8 and 3 1 8 For models with 4 1 2 long spring xim...

Page 13: ...less than 1 2 then it will be necessary to adjust the brake stud away from the belt Keep in mind that the disengaged spring length must stay between 2 5 8 and 2 7 8 For models with long spring and between 3 1 4 and 4 For models with 4 1 2 long spring CAUTION If brake stud is not set in correct position under braking or over braking may occur If over braking occurs premature belt failure or a possi...

Page 14: ...ubrication Lubricate with a high grade of pressure gun grease Note Do not over grease blade spindles Blade spindles are initially greased at the factory Greasing before 50 hrs may cause bearing seal damage which will result in premature bearing failure I STORAGE Turn off wer is stored o ne during h MOWER BLADE REMOVAL BALANCING INSTALLATION CAUTION When removing the blade it is recommended that a ...

Page 15: ...1 4 1 4 1 4 1 4 ankshaft Length Engine Mounting Bolts oke Manual Manual Manual Manual WER Fu Eff De Cu 2 to 8 2 to 8 2 to 8 Height Ad Rear Wh Front Wheels Caste Blade Dia 2 30 2 30 2 30 2 30 Engine Sp unning 3600 RPM 3600 RPM 3600 RPM 3600 RPM L el Tank 3 3 4 Gal 3 3 4 Gal 3 3 4 Gal 3 3 4 Gal ective Cutting Width 57 57 57 57 ck Construction 10 ga Welded steel 10 ga Welded steel 10 ga Welded steel ...

Page 16: ... MR55B 22 23HP MR55T 1 15 264003 Hour Tack Meter Optional 16 264010 Ignition Switch 1 17 269000 Choke Control 20 Model MR55B 17 5HP MR55T 1 17 269007 Choke Control 22 5 Model MR55K 1 17 269010 Choke Control 27 Model MR55B 22 23HP 1 18 269001 Throttle Control 15 Model MR55B 17 5HP MR55T 1 18 269008 Throttle Control 46 Model MR55K 1 18 269009 Throttle Control 27 Model MR55B 22 23HP 1 19 275001 Contr...

Page 17: ...Idler Arm Assy 1 243005 Bronze Bearing 1 2 I D x 3 4 O D x 75 Long 2 39 900066 Screw Adjuster 2 40 900069 Mower Deck 1 41 900071 Engine Support Bracket Model MR55B 17 5HP MR55T 1 41 600172 Engine Support Bracket Model MR55K MR55B 22 23HP 1 42 900079 Tank Support 1 43 900082 Tongue 1 44 900106 Carrier Arm 2 243010 Plastic Bearing 1 3 8 O D x 1 00 I D 4 45 900148 Caster Fork 2 222012 Single Split Co...

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

Page 19: ... that stay wet 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 i...

Page 20: ...ring with remote 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 Electric Lift Kit Part 003909 19 ...

Page 21: ...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 20 Part numbers needed for standard manual lift rough cut models Rear Floatation Kit Part 003907 Front Floatation Kit Part 003908 Cross Br rear kit Part numbers ne electric lift kit ace Tube Part 900113 Purchase one brace for each front and eded...

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