Walker H12 Operator'S Manual Download

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Safety, Assembly, Operating and Maintanence Instructions

H12 compatible with tractor models: MC, MD, MT
H17 compatible with tractor models: MH

Please Read and Save These Instructions

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

H12 Beginning S/N: 21508289

H12 Effective Date: 03.25.15

H17 Beginning S/N: 21516633

H17 Effective Date: 09.22.15

P/N: 6670-14

H12: 42” Two-Stage Snowblower

H17: 50” Two-Stage Snowblower

Operator’s Manual

Summary of Contents for H12

Page 1: ...dels MH Please Read and Save These Instructions For Safety Read All Assembly and Opeartion Instructions Prior to Operating Attachment H12 Beginning S N 21508289 H12 Effective Date 03 25 15 H17 Beginni...

Page 2: ...f anything in this manual is confusing or hard to understand please contact your local authorized dealer or call our service department at 970 221 5614 for clarification before operating or servicing...

Page 3: ...ER WARNING CAUTION IMPORTANT and NOTE P N 6623 4 Snowblower Chute Control Kit For use on MH with A33 Hard Cab The following are required for mounting the H12 42 in Two Stage Snowblower MC MT MD Tracto...

Page 4: ...CAUTION IMPORTANT Identifies mechanical information demanding special attention since it deals with the possibility of damaging a part or parts of the machine NOTE Identifies information worthy of spe...

Page 5: ...rwise cause damage Clear the area of doormats sleds boards wires and other debris 7 Do not wear loose fitting clothing that could get caught in moving parts Always wear adequate protective clothing in...

Page 6: ...e front mounted implement configuration the back of the machine swings to the outside during turns 4 Remember for an emergency stop the forward motion of the tractor can always be stopped by pulling t...

Page 7: ...l moving parts to stop Disconnect the fuel solenoid wire diesel engines or the spark plug wire s gasoline engines to prevent accidental starting Thoroughly inspect the implement and repair any damage...

Page 8: ...cts its operation performance durability or use will VOID the warranty and may cause hazardous conditions 8 Never attempt to disconnect any safety devices or defeat the purpose of these safety devices...

Page 9: ...ingle unit POWER TAKE OFF PTO transmits engine power to run the two stage snowblower RIGHT HAND RH refers to the right hand side of the machine when the operator is seated facing forward in the tracto...

Page 10: ...ft m 40 12 40 12 Lift 12 Volt DC Electric Linear Actuator Operated by Toggle Switch Mounted on FSC Lever Hitch System Patented Quick Hitch System Type Blower Two Stage with 12 7 8 in 33 cm Diameter Au...

Page 11: ...Two Stage Snowblower Front View and Right Side View Not Installed Deflector Hand Guard Chute Fan Frame Auger Auger Gearbox Gearbox Support Bracket Deflector Position Control Knob Chute Rotation Handl...

Page 12: ...Stage Snowblower Rear View Not Installed Deflector Deflector Position Control Knob Snowblower Housing Chute Skid Shoe Female Quick Hitch PTO Drive Shaft Skid Shoe Chute Rotation Handle Reduction Box...

Page 13: ...TO AVOID SERIOUS INJURY KEEP HANDS OUT OF DISCHARGE CHUTE WHILE ENGINE IS RUNNING SHUT OFF ENGINE BEFORE UNCLOGGING DISCHARGE CHUTE 133 Safety Decal Rotating Driveline Safety Decal Rotating Driveline...

Page 14: ...ANDERS BUILDING CARSETC ALWAYSUSEADUSTMASKWHENWORKINGINDUSTY CONDITIONS KEEPPLASTICAWAYFROMINTENSEHEAT ANDOPENFLAME 229 Safety Decal Safety Procedures Decal Walker Decal Decal Walker Decal Location Di...

Page 15: ...rotation worm as shown in Figure 1 2 4 Install the rotation worm assembly into the tube weldment with the rear shaft support plate on the underside of the chute base lip as shown in Figure 1 2 Tube We...

Page 16: ...section Retaining Plates Snowblower Housing Carriage Bolts Skid Shoe Figure 1 3 Install Chute and Retaining Plates Figure 1 4 Install Skid Shoes 7 Install the hand guard on the chute with the top sec...

Page 17: ...ver the drive shaft 10 Secure the yoke to the drive shaft with a 1 4 x 2 1 2 in bolt and nylon locknut Tighten the nut and the 3 8 x 3 8 in allen set screw securely over the key in the yoke 11 Install...

Page 18: ...pring loaded quick disconnect ring on the PTO Coupler and insert the Coupler Installation Tool provided in Owner s Packet as shown in the Figure 2 2 NOTE The Coupler Installation Tool is provided for...

Page 19: ...ce on the implement hitch before beginning any operation H10 Locking Removing Implements Locking Rotate the hitch lock lever fully forward to the LOCKED position as in Figure 2 5 and secure the hitch...

Page 20: ...gure 2 10 Removing the clevis pin will allow a free floating implement Clevis Pin Actuator Motor Ref Actuator Motor Ref Clevis Pin Removed Figure 2 9 Non Float Setting With Clevis Pin Installed Figure...

Page 21: ...nt Coupler Ring in Locked Position Figure 2 11 Quick Disconnect Ring in Released Position Figure 2 12 Quick Disconnect Ring in Locked Position 6 Attach the parallel bar to the female hitch and the imp...

Page 22: ...le Grip Figure 2 15 Install Handle Grip 9 For GHS Grass Handling System equipped Walker tractors install a blower intake cover P N 5595 2 in the blower intake tube The cover unloads the blower and sea...

Page 23: ...the tail of the tractor for stability when transporting the tractor with the snowblower in raised position Optional tail weights for the various tractor models are available from your Walker dealer o...

Page 24: ...ure the chains are in good condition and are installed properly Implement Hitch CHECK LIFT SWITCH OPERATION Raise and lower the implement hitch to make sure the lift switch and linear actuator operate...

Page 25: ...ion and one between the fan and gearbox for proper tightness approximately 8 lb ft 11 N m CHECK REDUCTION CHAIN Refer to LUBRICATION Snowblower Reduction Chain in the Maintenance section of this manua...

Page 26: ...lide the deflector to the required angle and securely retighten the two knobs Deflector Position Knobs Figure 3 2 Deflector Position Knobs Raising Lowering The snowblower is raised or lowered using th...

Page 27: ...TE For cold weather operation allow sufficient time for the snowblower components i e gearbox oil to warm up before beginning to blow snow A safety interlock switch seat switch will cause the engine t...

Page 28: ...t results raise the snowblower and remove a top layer of snow then pass through the area a second time to remove the remaining snow When snowblowing operate the engine at or near full throttle for the...

Page 29: ...ach following pass rotate the spout 180 degrees to keep throwing snow in the same direction No snow piled on this side Snow thrown to this side only Start Here Finish Here Rotate spout 180 Rotate spou...

Page 30: ...ace hands in the blower spout DO NOT use hands or feet to unclog the snowblower Use a short stick or similar tool to remove any clogged material DANGER The following list of items should be checked if...

Page 31: ...re the next use 5 Store the snowblower in a dry place 1 Park the tractor on a level surface and lower the snowblower 2 Remove the spring clip and clevis pin from the parallel bar at the hitch end and...

Page 32: ...before performaing any maintenance on equipment WARNING LUBRICATION Proper lubrication is an important maintenance procedure It reduces wear and makes the machine quieter and easier to operate Snowbl...

Page 33: ...ction chain 3 Adjust the chain tension if necessary Refer to REPLACING REPAIRING Snowblower Reduction Chain and ADJUSTMENTS Snowblower Reduction Chain Tension in this section 4 Reinstall the PTO guard...

Page 34: ...ication Oil level should be checked only when an oil leak is noted Refer to LUBRICATION Snowblower Gearbox in this section Lubricate chain daily or every 25 hours of operation Refer to LUBRICATION Sno...

Page 35: ...he snowblower is reversible and needs to be replaced only when both the top and bottom edges have worn Replace the snowblower cutting edge as follows 1 Remove the six 6 5 16 NC hex nuts and 5 16 in lo...

Page 36: ...t until the master link for the chain is accessible 3 Remove the master link from the chain and remove the chain from the sprocket Figure 4 4 PTO Guard Removed 4 Place the new chain on the sprockets a...

Page 37: ...aft and remove the U joint shaft assembly from the drive shaft Remove the three 3 carriage bolts nuts and washers from the rear bearing flange 3 Remove the four 4 carriage bolts and nuts securing the...

Page 38: ...al procedure 6 Lubricate and tension the reduction chain Refer to LUBRICATION Snowblower Reduction Chain and ADJUSTMENTS Snowblower Reduction Chain Tension in this section Reinstall the PTO guard ADJU...

Page 39: ...the reduction box assembly down to increase tension on the chain The chain should have 1 16 to 1 8 in of slack 4 While applying downward pressure to maintain chain tension tighten the four 4 carriage...

Page 40: ...e the bowtie clip and the clevis pin as shown in Figure 4 10 and twist the male clevis clockwise to tighten or counterclockwise to loosen as needed 2 The hitch lock lever should travel approximately 2...

Page 41: ...34 This page left intentionally blank...

Page 42: ...1 1 With Locknut 19 I209 4300055 Bushing 2 20 I102 657327 FanAssembly 1 Includes Item 33 21 I104 655874 FanAdapter Shear Plate 1 22 666732 Auger LH 1 23 I114 667786 Shear Bolt 5 16 18 x 2 1 4 2 Lock...

Page 43: ...0 19 30 18 17 21 18 F309 9 24 6 23 22 23 23 F020 F020 F020 F020 6 F034 F309 9 F034 F318 F004 12 F271 F149 8 7 F113 F447 F113 11 10 10 4 4 6 F020 4 4 F020 20 4 18 6 F020 F309 F309 F309 9 5 9 3 2 1 1 16...

Page 44: ...ly 22 I196 669612 PTO Guard 1 23 O L 5 16 NC x 1 2 Serrated 2 Flange Bolt 24 I164 657355 Reduction Box 1 25 I543 0300002 Carriage Bolt 5 16 x 3 4 10 Snowblower Frame Assembly 26 5800 9 2500938 Decal W...

Page 45: ...32 F049 8 10 11 F036 F005 12 13 14 15 32 F051 31 17 18 19 17 18 21 20 23 22 23 F174 F174 F016 F016 F175 F175 24 26 F020 F020 F168 F168 F051 F051 25 F020 F168 F051 27 F169 28 25 30 F020 F168 F020 29 26...

Page 46: ...57327 FanAssembly 1 Includes Item 31 20 I104 655874 FanAdapter Shear Plate 1 21 666738 Auger LH 1 22 I114 667786 Shear Bolt 5 16 18 x 2 1 4 2 Lock Nut 23 I113 657334 Bearing Flange 2 24 5830 654106 Gr...

Page 47: ...18 19 18 29 F020 17 16 20 17 F309 8 23 F168 F020 22 21 F020 F168 F034 F309 8 F034 F318 F004 11 F271 F149 7 6 F113 F447 F113 10 9 9 4 4 F168 F020 4 4 F020 F168 4 4 F168 F020 F309 F309 F309 8 5 8 3 2 1...

Page 48: ...BarAssembly 1 20 669693 Quick Hitch Female 1 21 5830 3 Grease Fitting 45 Deg 1 Reduction Box Assembly 22 I196 669612 PTO Guard 1 23 O L 5 16 NC x 1 2 Serrated 2 Flange Bolt 24 I164 657355 Reduction B...

Page 49: ...032 F049 8 10 11 F036 F005 12 13 14 15 F034 F051 31 17 18 19 17 18 20 23 22 23 F469 21 F469 F016 F016 F175 F175 24 F020 F020 F168 F168 F051 F051 25 F020 F168 F051 27 F169 28 25 30 F020 F168 F020 29 26...

Page 50: ...43 OPERATOR S NOTES...

Page 51: ...nty 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 80528...

Page 52: ...WALKER MFG CO 5925 HARMONY ROAD FORT COLLINS CO 80528 970 221 5614 PRINTED IN USA FORM NO 041217...

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