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Summary of Contents for Kunz AcrEase MR44B
- Page 1 44” ROUGH CUT OWNER’S MANUAL With Assembly Instructions For Models: MR44B & MR44BC KUNZ ENGINEERING, INC. / MENDOTA, IL 61342 / PH (815) 539-6954 12/20...
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Page 3: Table Of Contents
TABLE OF CONTENTS SAFETY INTRODUCTION……………………………………………………………………………… 2 Safety Alert Symbol ………………………………………………………………………………..….. 2 Safety Information ………………………………………………………………………………..……. 3 Safety Signs and Locations ………………………………………………………………………..…. 4 ASSEMBLY INSTRUCTIONS ………………………………………………………………………..5 Items Included ………………………………………………………………………………………..… 5 Assembly of Rear Wheels and Carrier Arms …………………………………………………….…. 5 Installation of Cross Brace Tubes and Height Adjust Assy.…………………………………….…. 6 Installation of Tongue Assembly …………………………………………………………………..…. -
Page 4: Safety Introduction
It may also be used to alert against unsafe practices. This entire manual is filled with important safety information. Please read it carefully. If you have any questions or concerns regarding the information in this owner’s manual please contact Kunz Engineering at 815-539-6954. -
Page 5: Safety Information
IMPORTANT SAFETY INFORMATION Do not allow anyone to operate this equipment who has not fully read and comprehended the safety manual and who has not been properly trained in the safe operation of the equipment. Operator should be familiar with all functions of the unit. Keep hands, feet, hair and clothing away from moving parts. -
Page 6: Safety Signs And Locations
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... -
Page 7: Assembly Instructions
ASSEMBLY INSTRUCTIONS Read the complete assembly instructions before starting the assembly. You should have: - one mower deck assembly - two carrier arm assemblies - two rear tire assemblies - one front cross brace tube and one rear cross brace tube with height adjust assy. - one ATV tongue assembly A. -
Page 8: Installation Of Cross Brace Tubes And Height Adjust Assy
3. Install the two carrier arm assemblies in the pivot arms, which are located on the mower deck 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. - Page 9 1/2” x 3” Bolt Cross Brace Height Adjust Assy. Tube Figure 3: Cross Brace Tube Installation Screw Mounting Flat Height Adjust 1/2” x 1” Bolt Assy. Lower Deck Screw Mount 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 tighten the 1/2”...
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Page 10: Installation Of Tongue Assembly
C. INSTALLATION OF TONGUE ASSEMBLY 1. The tongue can be installed either on the left or right carrier arm assembly depending on how the tow-behind mower will be towed. See figure 5. Secure the hitch pivot on the chosen carrier arm assembly with the 1/2” x 3-1/2” hex head bolt, lock washer, and nut provided. 2. -
Page 11: Operation And Adjustments
Direction of Travel Screw Pin Shackle Clevis Shift Tongue Left or Right Between Holes Tongue 5/16” Wire Lock Pins Wire Lock Section of Wire Lock Pin (Placed Back From Direction of Travel) Figure 6: ATV Tongue Assembly OPERATIONS AND ADJUSTMENTS This safety alert symbol is used to indicate safety instructions. -
Page 12: Adjusting Cutting Height
Note: When pulling the mower directly behind, the hitch pivot should be fastened on the right carrier arm for maximum maneuverability. See Figure 5. When pulling the mower in the offset position the hitch pivot can be fastened on either the right or left carrier arm. See Figure 5. - Page 13 Adjust the mower as follows: 1. Pull the mower on to a smooth, level surface. 2. The desired cutting height can be determined by measuring the distance from the ground to the outside lower edge of the mower deck and adding 1-5/16”. The mower blade cutting edge is 1-5/16”...
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Page 14: Starting Engine
Adjustment Crank Adjustment Nut Tube Height Adjust Support Figure 9: Securing Crank While Not In Use C. STARTING ENGINE Set parking brake on tow vehicle. Attach mower tongue to tow vehicle. Do not start rough cut mower unless it is attached to the tow vehicle. Turn on the fuel shut off valve (red colored rotating knob) located inline on the fuel hose. -
Page 15: Shutting Off Mower
D. SHUTTING OFF ROUGH CUT MOWER Shift to neutral and set the parking brake before dismounting the tow vehicle. Slow the engine speed down to an idle and slowly disengage the clutch handle. Allow engine to cool down for a short time before moving the ignition switch to the off position. Turn off the fuel shut off valve (red colored rotating knob) located inline on the fuel hose. -
Page 16: Maintenance
Stop the mower blades on the mower if the tow vehicle becomes stuck or stops going forward because of loss of traction. Shut off the engine on the mower before attempting to push or pull the tow vehicle. Inspect the ATV Tongue Assembly and tow vehicle hitch before each use. If any parts of the tongue or hitch look damaged or severely worn, discontinue use of the mower until the damaged or worn parts are replaced. - Page 17 Install the new belt and then adjust the tension as follows: See Figure 10. Take special care to make sure that the belt is placed between the brake stud and the idler pulley. Only Include Spring in Measurement Front Clutch Engagement Clutch Arm Clutch Engaged Engine...
- Page 18 Always shut mower engine off before servicing. Under normal operating conditions and when using the Kunz Engineering belt (Part # 238007) the brake stud should require very little adjustment. Periodic brake stud inspections should be performed every 10 hours.
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Page 19: Mower Blade Removal, Balancing & Installation
The Models MR44B and MR44BC use the Kunz Engineering Part # (202141) blade bolt. This particular hex head bolt is a 3/4” – 16NF x 1-1/4” long, grade 5 and its proper torque is 300 ft-lbs. -
Page 20: Specifications
ACREASE ROUGH CUT MOWER SPECIFICATIONS Model Model MR44B MR44BC ENGINE: Engine Make Briggs & Stratton Briggs & Stratton Engine Model Intek Professional Commercial Turf Cylinders Cycles Crankshaft Vertical Vertical Engine HP Bore 3.12" 3.12" Stroke 3.06" 2.89" Displacement 33.0 cu. In. 44.2 cu. -
Page 21: Service Parts
Control Panel Decal, Starting Instructions 275002 Warning Decal General 275003 Danger Decal, Cut Finger 275007 Warning Decal, Belt Sheild 275011 Clutch Engagement Decal 275019 Name Decal,Kunz 275021 Name Decal, AcrEase 275024 Name Decal, 44" Rough Cut 277002 Rubber Gromet 277011 Handle Grip 277035... - Page 22 Item Part # Description Quantity 600185 Top Long Support 600186 Top Short Support 600252 Flap Retainer Strip 600253 Safety Belting 600254 Battery Box Spacer 600264 Belt Sheild, Left 600265 Belt Sheild, Right 600268 Height Adjust Support 600291 Canister Support (California Only) 600292 Clutch Arm 600305...
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Page 23: Parts Drawing
ACREASE 44” ROUGH CUT MOWER PARTS... -
Page 24: Optional Equipment
OPTIONAL EQUIPMENT OPTIONAL WETLANDS KIT The optional wetlands kit features an extra set of tires for added ground support in soft or water saturated areas. The following are applications and features that the wetlands kit works best in. • Great for wetlands or marshy areas that stay wet all year around. •... -
Page 25: Electric Lift Kit
OPTIONAL EQUIPMENT OPTIONAL ELECTRIC LIFT KIT The optional electric lift kit consists of all of the mounting hardware, brackets, electric actuator and wiring 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. •... -
Page 26: Floatation Kit
OPTIONAL EQUIPMENT OPTIONAL FLOATATION KIT The optional floatation kit consists of one additional front and rear tire, mounting brackets and hardware. • Great for mowing around 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. -
Page 27: Warranty Statement
AcrEase Pull Behind Mower Warranty Policy Kunz Engineering, Inc., warrants to the owner that each new product is free of defects in workmanship and material for the length of 12 months from the date of purchase. Kunz Engineering, Inc., agrees to provide replacement parts for any defective parts at no charge to the owner.
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