Kunz AcrEase MR55K Owner'S Manual With Assembly Instructions Download Page 1 | Manualshive

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57” ROUGH CUT

MR55K

MR55B

OWNER’S MANUAL

With Assembly Instructions

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

KUNZ ENGINEERING, INC. / MENDOTA, IL 61342 / PH (815) 539-6954

1/07

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Summary of Contents for AcrEase MR55K

Page 1: ...57 ROUGH CUT MR55K MR55B OWNER S MANUAL With Assembly Instructions For Models MR55T MR55B 17 5HP MR55B 22HP MR55K KUNZ ENGINEERING INC MENDOTA IL 61342 PH 815 539 6954 1 07 ...

Page 2: ...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 3: ...nstallation Rear Tire Assy Attach on outside for both left and right sides Pivot Arm Height Adjust Screw Hitch Pivot Attach to Either Left or Right Carrier Arm Assy Tongue Front Rubber Flap Side Carrier Arm Assy Direct Behind Position Offset Position Figure 2 Assembly of Carrier Arm Assy Hitch Pivot and Tongue 2 ...

Page 4: ...DJUSTMENTS 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 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 Fig...

Page 5: ...ongue See Figure 3 Directly Behind Offset Figure 4 Rough Cut Tow Behind Towing Suggestions B ADJUSTING CUTTING HEIGHT Shut off the engine and allow the mower blades to come to a complete stop before adjusting the cutting height Measure This Distance and Add 1 5 16 to get Cutting Height Cutting Height 1 5 16 Smooth Surface Lower Edge of Deck Mower Blade Adjustment Crank Roughly 6 turns equals 1 0 F...

Page 6: ...e carrier arm assemblies and height adjust screw may be too tight Loosen the pivot bolts slightly to allow easier pivoting Care should be taken not to loosen too much or excess wear and flexing may occur Greasing the threads may also allow greater ease in adjustment Note After leveling mower deck quick field adjustment can be completed by counting crank turns Roughly 6 turns will equal 1 of vertic...

Page 7: ...hift to neutral and set the parking brake before dismounting the tow vehicle Slow 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 E MOWER OPERATION Clean or replace any safety signs that are not readable or damaged Remove all objects from the work area that might be picked up and thrown by the bl...

Page 8: ...e air inlet to the engine cooling system Special care should be taken to make sure the engine is getting enough inlet air Do not allow the engine cooling fins under the shroud to be blocked If air flow over the engine is restricted the engine could overheat F DRIVE BELT REMOVAL AND TENSION Refer to Figure 7 Shut off engine and allow mower blades to stop turning before making any adjustments or rep...

Page 9: ...d the brake stud Tighten the bolt at the top of the brake stud To ensure that the brake works properly the spring length must be set correctly With the clutch disengaged make sure the spring length is no more then 2 3 4 After the belt breaks in the clearance between the belt and the brake stud should be around 1 2 To prevent over braking the brake clearance should be checked every 3 4 hours If bra...

Page 10: ...d bolt is a 3 4 16NF x 1 1 4 long grade 5 and it s proper torque is 300 ft lbs To ease in the blade installation process use the same block of wood and method used during the removal of the blades H LUBRICATION There are five lubrication points on the rough cut mower one spring loaded idler pivot two caster wheel pivots and two blade spindles Lubricate at approximately 10 hr intervals or more ofte...

Page 11: ...olt Starter Electric Electric Electric Electric Choke Manual Manual Manual Manual MOWER Fuel Tank 3 3 4 Gal 3 3 4 Gal 3 3 4 Gal 3 3 4 Gal Effective Cutting Width 57 57 57 57 Deck Construction 10 ga Welded steel 10 ga Welded steel 10 ga Welded steel 10 ga Welded steel Cutting Height 2 to 8 2 to 8 2 to 8 2 to 8 Height Adjustment 2 Cranks 2 Cranks 2 Cranks 2 Cranks Rear Wheels Fixed 4 ply Turf Pnuema...

Page 12: ...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 22HP 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 22HP 1 19 275001 Control Panel Decal Starting Instr...

Page 13: ...3 Clutch Arm 1 38 900065 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 22HP 1 42 900073 Caster Fork 2 43 900079 Tank Support 1 44 900082 Tongue 1 45 900106 Carrier Arm 2 243010 Plastic Bearing 1 3 8 O D x 1 00 I D 4 ...

Page 14: ...13 ACREASE ROUGH CUT MOWER PARTS 10 2 3 4 5 6 7 8 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 45 42 44 43 31 18 37 9 ...

Page 15: ...5007 Warning Decal Belt Sheild 275002 Warning Decal General Serial and Model Decal Clean or Replace Any Safety Signs 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 14 ...

Page 16: ... 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 17: ...g 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 1200 lb linear screw actuator made by Bear Linear Works on all existing and new rough cut mowers Electric Lift Kit Part 003909 16 ...

Page 18: ... 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 Part numbers needed for standard manual lift rough cut models Rear Floatation Kit Part 003907 Front Floatation Kit Part 003908 Cross Brace Tube Part 900110 Purchase one brace for each front and rear kit Part numbers needed for rough cut models ...

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