background image

  

Assembly, Attaching, Removing, Operation, and Maintenance

Please Read and Save These Instructions

For Safety, Read All Assembly and Operation Instructions 
Prior to Operating Attachment

A44 Dozer Blade Attachment

Operator’s Manual

Beginning S/N: 2022-1807 

P/N: 6625-16

Compatible with Models: MR21

Summary of Contents for A44

Page 1: ...intenance Please Read and Save These Instructions For Safety Read All Assembly and Operation Instructions Prior to Operating Attachment A44 Dozer Blade Attachment Operator s Manual Beginning S N 2022...

Page 2: ...erstood to help prevent possible injury to the operator or others If anything in this manual is confusing or hard to understand please contact your local authorized dealer or call our service departme...

Page 3: ...tenance 8 Assembly and Installation 9 Assembling the Blade 9 Installing the dozer blade 11 Removing The Dozer Blade 15 Operating Instructions 17 Lift Lower Blade 17 Adjusting the Lift Handle Assist Sp...

Page 4: ...cludes the car rier frame deck housing blade spindles and cutter blades FORWARD SPEED CONTROL FSC controls the maximum forward speed of the tractor functioning as a cruise control LEFT HAND LH refers...

Page 5: ...ervice please contact our Service Department for assistance Walker Manufacturing Company 5925 E Harmony Road Fort Collins CO 80528 1 970 221 5614 www walker com UNIT DESCRIPTION The A44 Dozer Blade is...

Page 6: ...84 213 Weight lb kg 145 66 REQUIREMENTS MR Tail Weight Kit P N 1647 10 This kit is required to be installed with the A44 Dozer Blade REPLACEABLE CUTTING EDGE KITS Dozer Blade Polyurethane Cutting Edg...

Page 7: ...cation Dozer Blade LH Side View Not Installed Replaceable Cutting Edge Trip Over Lock Articulation Joint Angle Stop Bolt LH Lift Handle Assist Spring Lift Handle Foot Trigger Blade Angle Blade Mount E...

Page 8: ...awnmower has been designed with many safety features to protect the operator from personal harm or injury However it is neces sary for the operator to use safe operating proce dures at all times Failu...

Page 9: ...ystem battery contains sulfuric acid Avoid any contact with skin eyes and clothing Keep the battery and acid out of reach of children WARNING This product can expose you to chemicals including Di 2 et...

Page 10: ...ng the Forward Speed Control FSC lever into the NEU TRAL PARK position DANGER Do not operate tractor within 5 feet 1 5 me ters of an embankment or retaining wall with drop off 12 The maximum recommend...

Page 11: ...tenance adjustment keep hands feet and clothing away from moving parts Do not wear jewelry or loose clothing 6 Always use the proper engine service man ual when working on the engine Unautho rized mai...

Page 12: ...pivot shaft socket approximate ly one inch and using pliers rotate the pivot shaft to more closely align the roll pin holes Tap the pivot shaft back into place and insert a tapered punch into the roll...

Page 13: ...is pin With the clevis pin in place check that the lift release push button stands 3 8 above the lift handle Adjust the clevis or button position on the threaded rod until the push button is positione...

Page 14: ...pring 5 Remove the counterweight springs from the tractor posts and reserve the springs for future deck reinstallation 6 Push down on the deck lock levers to release the deck pivot hinges Remove the c...

Page 15: ...t arms for later reinstallation of the deck Remove Deck Support Arms 13 Tractors prior to S N 2022 176529 may need to add support strap mounting holes Locate and drill the support strap mounting holes...

Page 16: ...nded for this step 18 Install the support straps as shown using a 1 2 wrench to secure the 5 16 18 x 3 4 hex bolt P N F034 and 5 16 18 whiz locknut P N F009 on the top and the 5 16 18 x 7 8 Hex Bolt P...

Page 17: ...am nut Lift Release Push Button Jam Nut Adjust Rod Length for Additional Travel 23 Check the adjustment of the angle stop bolts with the blade in the fully angled position in both directions Confirm t...

Page 18: ...Switch Harness Disconnect 5A Fuse Harness 4 Using a jack lift and secure the blade so it sits level with the tractor body 5 Remove the support straps using 1 2 wrench Reserve the hardware with the st...

Page 19: ...orrect order Fully tighten the F013 locknut TENSIONER ARM 7201 3 7201 4 5841 LH TWIN IDLER MOUNT F393 F051 V GROOVE IDLER IDLER PULLEY F013 7201 3 5841 F051 Reinstall Tensioner Arm 9 Reinstall the ext...

Page 20: ...d hold the push button on top of the lift handle to prevent the locking arm from engaging Then lower the blade to the desired position Pull Back to Raise the Blade or Push and Hold the Button To Lower...

Page 21: ...he extension spring tension by tightening the ESNA nut until a minimum of 0 5 in 1 3 cm protrudes through the ESNA nut Extension Spring Adjustment At least 1 2 Eye Bolt Threads TRIP OVER LOCK The trip...

Page 22: ...allow the blade to follow the contour of the ground If the blade is not following the ground contour adjust the articulation with the following steps Blade Articulation Adjustment 1 With the tractor o...

Page 23: ...he blade articulation can be locked to render the blade fixed 1 On a flat surface lower the blade to rest on the ground 2 Fully tighten both sides of the articulation joint hardware 3 Raise the blade...

Page 24: ...cause damage to the dozer blade Order a replace ment kit when necessary refer to Replaceable Cutting Edge Kits on page 3 for available options Wear Zone Lower flip or replace wear strip when both edge...

Page 25: ...3 4 OD 2 28 1701 8 Bushing Sleeve 1 29 5463 5 SteeringArm Pivot Bushing SS 2 30 5280 Clevis 1 4 1 31 5809 2 Decal Walker 1 32 5856 1 Decal Made In USA 1 33 6622 18 Extension Spring 2 34 6624 19 Eye Bo...

Page 26: ...9 29 1 3 F009 F055 27 6 2 26 F170 F170 F170 F055 F436 F009 F009 F009 F027 F645 F645 F048 F051 F014 F675 F014 17 18 12 F111 F003 F255 F275 24 4 30 37 F020 F420 34 35 33 F009 28 5 33 8 36 36 34 38 20 13...

Page 27: ...anty work is performed Warranty service can be arranged by contacting the dealer where you purchased the machine or by contacting Walker Manufacturing Company 5925 East Harmony Road Ft Collins CO 8052...

Page 28: ...WALKERMFG CO 5925E HARMONYROAD FORTCOLLINS CO80528 970 221 5614 FORM NO 110922 PRINTED IN USA www walker com 2022 WALKER MFG CO...

Reviews: