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Toro Groundsmaster 1200 Series Operator's Manual

Pull behind rotary mower, serial no. 403390001 and up
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Original Instructions (EN)
Groundsmaster
Behind Rotary Mower
Model No. 31905—Serial No. 403390001 and Up
Form No. 3425-789 Rev A
®
1200 Series Pull
*3425-789* A

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Summary of Contents for Toro Groundsmaster 1200 Series

  • Page 1 Form No. 3425-789 Rev A Groundsmaster ® 1200 Series Pull Behind Rotary Mower Model No. 31905—Serial No. 403390001 and Up *3425-789* A Register at www.Toro.com. Original Instructions (EN)
  • Page 2 Whenever you need service, genuine Toro parts, or worthy of special attention. additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 identifies the location of the model and serial numbers on the product.

  • Page 3: Table Of Contents

    Contents Storing the Machine.......... 43 Safety ............... 4 General Safety ........... 4 Safety and Instructional Decals ......4 Setup ................ 6 1 Applying the Entanglement Decal ....6 2 Installing the Deck Cover Knobs....... 7 3 Adjusting the Drawbar Position of the Tow Vehicle ............

  • Page 4: Safety

    Safety • Keep clear of any discharge opening. Keep bystanders and pets a safe distance away from the mower. General Safety • Keep children out of the operating area. Never allow children to operate the tow vehicle or the This product is capable of amputating hands and mower.
  • Page 5 decal138-3078 138-3078 1. Belt routing decal120-6604 120-6604 1. Thrown object hazard—keep bystanders away from the machine. 2. Cutting/dismemberment hazard of hand, mower blade—stay away from moving parts; keep all guards and shields in place. 3. Cutting/dismemberment hazard of foot, mower blade—stay away from moving parts;...

  • Page 6: Setup

    Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty. Apply the entanglement decal—CE CE entanglement decal mowers Knob Install the deck cover knobs. Adjust the drawbar position of the – No parts required machine.

  • Page 7: Installing The Deck Cover Knobs

    Remove the push-nut that secures the bolt to the deck cover and remove the bolt from the cover (Figure g264078 Figure 4 1. Bolt 3. Push-nut 2. Deck cover Install the mower deck cover with the knob; refer g270806 Installing the Deck Covers (page 29).

  • Page 8: Adjusting The Tow Bar Of The Mower

    Adjusting the Tow Bar of Converting the Pin Tow Bar the Mower to a Pintle Tow Bar No Parts Required No Parts Required Assessing the Job Site Procedure Consider the following job site conditions to determine Remove the hairpin that secures the hitch pin to the tow bar position of the mower: the tow bar, and remove the hitch pin (Figure...

  • Page 9: Assembling The Pto-Drive Shaft

    Assembling the PTO-Drive Shaft g270860 Parts needed for this procedure: Figure 9 PTO-drive shaft half (forward) 1. Drive-shaft rest (hose 2. PTO-drive shaft guide) Procedure Partially extend the PTO drive shaft to access Align the inner tube of the rear PTO-drive shaft the grease fitting near the middle of the inboard half with the outer tube of the forward PTO-drive drive-shaft guard...

  • Page 10: Installing The Deck-Lock Rope To The Mower

    Installing the Deck-Lock Rope to the Mower Parts needed for this procedure: Deck-lock rope Procedure Thread the end of the deck-lock rope through the hole in the lock lever and tie the rope securely (Figure 11). g260004 Figure 12 1. Deck-lock rope 3.

  • Page 11: Product Overview

    Product Overview g262052 Figure 13 1. Rear mower deck 4. Outer mower deck 7. Quick-connect coupling (PTO drive shaft) 2. Deck lock 5. Guard (PTO drive shaft) 8. Hydraulic hoses 3. Lock lever 6. Hose guide and drive-shaft rest g262053 Figure 14 1.

  • Page 12: Specifications

    30 kph (19 mph) Attachments/Accessories A selection of Toro approved attachments and accessories is available for use with the machine to enhance and expand its capabilities. Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved attachments and accessories.

  • Page 13: Tractor Controls

    PTO Speed • Use only a tow vehicle with the mower that has a maximum PTO speed of 540 rpm (9 rotations per second). The mower is designed to operate with a PTO speed of up to 540 rpm. Most tow vehicles indicate a 540 •...

  • Page 14: Checking The Tire Air Pressure

    Checking the Tire Air Pressure Service Interval: Before each use or daily DANGER Low tire pressure decreases mower stability when transporting it. This could cause a g262236 rollover, which may result in personal injury Figure 16 or death. 1. PTO shaft guard (forward half) Do not operate the mower with underinflated tires.
  • Page 15 g271527 Figure 18 g271526 Figure 20 Left Deck, Right Deck, and PTO Drive-Shaft Guards Center Deck Drive-Shaft Guard 1. Restraint chain 3. PTO shaft guard 1. Drive shaft guard (center 4. Restraint chain 2. Drive shaft guard 4. Front of the machine deck) 2.

  • Page 16: Using The Tow Bar Jack

    g264297 Figure 22 1. Hose clamps Using the Tow Bar Jack Supporting the Mower with the Jack Park the machine on a level surface, move the shift lever to the N position. EUTRAL g250413 Figure 23 Engage the parking brake, shut off the engine, remove the key, and wait for all moving parts 1.

  • Page 17: Assembling The Mower To The Tow Vehicle

    Disconnect the hydraulic hoses and the PTO drive shaft from the tow vehicle. Disconnect the hitch from the tow bar. Drive the tow vehicle in a straight line away from the mower. Stowing the Jack Ensure that the mower is securely attached to g264148 Figure 26 the tow vehicle.
  • Page 18 Connecting the Mower to the Tow Vehicle Use jack handle to raise or lower the tow bar jack and align the tow bar to the drawbar or pintle hitch (Figure 28). g250416 Figure 28 Pin tow bar shown 1. Drawbar 3.
  • Page 19 Connecting the Drive Shaft to the Align the quick-connect coupling of the PTO drive shaft with the output shaft of the PTO (Figure 30). g250417 Figure 30 1. PTO output shaft 2. Quick-connect coupling (machine) (PTO drive shaft) Pull back the lock collar of the quick-connect coupling (Figure 31).
  • Page 20 g264215 Figure 32 1. PTO-shaft guard (forward 2. Restraint chain half) Connecting the Hydraulic Hoses Identify the quick-disconnect fittings for the rear attachment-lift and lower circuits for the tow vehicle. g250538 Remove the dust covers from the Figure 33 quick-disconnect fittings of the tow vehicle. 1.

  • Page 21: During Operation

    • Use accessories, attachments, and replacement • Do not operate the machine while ill, tired, or parts approved by The Toro® Company only. under the influence of alcohol or drugs. • For disassembly or repair of all steel PTO •...

  • Page 22: Slope Safety

    Slope Safety Lowering the Mower Decks from the Transport Position • Slopes are a major factor related to loss of control and rollover accidents, which can result in severe Ensure that the PTO is in the O position; refer injury or death. You are responsible for safe slope to the Operator’s Manual for your tow vehicle.

  • Page 23: Raising The Mower Decks While Cutting Grass

    g250716 g250705 Figure 36 When the decks fully lower to the ground, release the rope and attachment control. g250715 Move the control for the rear attachment-circuit Figure 37 to the position; refer to the Operator’s FLOAT Manual for your tow vehicle. 1.

  • Page 24: Raising The Mower Decks To The Transport Position

    Raising the Mower Decks The deck locks engage the deck pins (Figure 40). to the Transport Position For instruction on using the PTO and rear attachment control, refer to the Operator’s Manual for your tow vehicle. Move the mower to a flat area. Shut off the PTO.

  • Page 25: Making A Sharp Turn

    Making a Sharp Turn Shift the tow vehicle to LOW GEAR LOW RANGE Driving the machine slowly, steer to make the sharp turn. Important: Do not exceed the 75° maximum tow vehicle to mower angle. g250931 g264251 Figure 42 75° Maximum Tow Vehicle to Mower Angle As you turn, check to ensure clearance between the tire of the tow vehicle and the parts of the mower...

  • Page 26: After Operation

    Transporting the Machine After Operation Important: Raise and latch the decks before After Operation Safety loading the mower on to or off from the trailer. • Use care when loading or unloading the machine • Park the machine on a level surface; engage the into a trailer or a truck.

  • Page 27: Maintenance

    Maintenance CAUTION If you leave the key in the switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the switch before you perform any maintenance. WARNING If the mower decks are raised but not latched, the decks could lower unexpectedly and seriously injure you or other bystanders.

  • Page 28: Lifting The Mower

    Lifting the Mower Lift the mower at the axle halves as shown in Figure g264176 Figure 45 1. Axle halves Use jack stands to support the mower. Accessing the Mower Decks Removing the Deck Covers Release the 3 latches that secure the cover of the mower deck (Figure 46).

  • Page 29: Lubrication

    Installing the Deck Covers Lubrication Align the latches of the mower-deck cover with the holes in the mower deck (Figure 47). Grease Specification No. 2 lithium base grease Greasing the PTO Shaft Constant Velocity Joint Service Interval: Before each use or daily Apply the specified grease to the 3 grease fittings at the forward end of the PTO drive shaft (Figure...
  • Page 30 Greasing the Telescoping Drive-Shaft Joints Service Interval: Every 50 hours Partially extend the PTO drive shaft to access the grease fitting near the middle of the inboard drive-shaft guard (Figure 49). g255328 g264299 g255327 g264298 Figure 50 Figure 49 Apply grease to the 4 grease fittings for the telescoping drive-shaft joints as shown in Figure Greasing the Driveshaft U-Joints...
  • Page 31 Greasing the Drive Shaft Guard-Slip Joints Service Interval: Every 50 hours Apply the specified grease to the 6 grease fittings for the drive shaft guard-slip joints as shown in Figure g251060 Figure 52 Left or Right Mower Deck 1. Outboard •...

  • Page 32: Servicing The Gearboxes

    2 belt tensioners of each mower deck. Servicing the Gearboxes Customer supplied material: PTFE thread sealant and a small hand pump. Gearbox Fluid Specification • Toro Premium Tractor fluid • Mobilfluid™ 424 tractor hydraulic fluid Checking the Gearbox Fluid Level Service Interval: Every 50 hours g264169...
  • Page 33 Changing the Center Gear Box Lubricant Service Interval: After the first 50 hours Yearly Draining the Center Gearbox g255263 Figure 58 Deck Gearbox g255203 Figure 59 1. Dipstick 3. Full dipstick mark Center Gearbox Drain Location 2. Dipstick port 4. Add dipstick mark Check the fluid level indicated on the dipstick Working through the access hole at the (Figure 57...
  • Page 34 Changing the Deck Gearbox Filling the Center Gearbox Lubricant Center gearbox fluid capacity: 2,484 mL (84 fl oz) Remove the dipstick from the dipstick port at the Service Interval: After the first 50 hours top of the center gearbox and wipe clean the Yearly dipstick (Figure...

  • Page 35: Checking The Mower Belts

    g251058 Figure 64 The belts for the left deck are shown. The belts right and center decks are similar. g255294 Figure 63 1. Tensioner pulleys 4. Short belt (left) 2. Drive pulleys 5. Long belt (right) 1. Dipstick 3. Full dipstick mark 3.
  • Page 36 Note: You may need to rotate the belt while removing it from the center-spindle pulley. Installing the Short Belt Route the short belt around the left-spindle pulley and the lower groove of the center-spindle pulley (Figure 67). g255022 Figure 65 1.

  • Page 37: Servicing The Blades

    Check the blades daily for sharpness, and for any wear or damage. Sharpen the blades as necessary. If a blade is damaged or worn, replace it immediately with a genuine Toro replacement blade. DANGER g256136 Figure 70 The mower blades are sharp and can injure you.
  • Page 38 The difference between measurements that you observed in steps 4 and 6 exceed 3 mm (1/8 inch), the blade is bent, and you must replace the it; refer to Removing the Blades (page 39) Installing the Blades (page 40) Repeat steps through for the other blades of the mower deck or steps...
  • Page 39 WARNING performance and continued safety conformance of When sharpening blade, pieces of blade could the machine, use genuine Toro replacement blades. Replacement blades made by other manufacturers be thrown and cause serious injury. may result in non-conformance with safety standards.
  • Page 40 g000276 Figure 75 1. Sharpen at original angle Check the balance of the blade by putting it on a blade balancer (Figure 76). Note: If the blade stays in a horizontal position, the blade is balanced and can be used. If the blade is not balanced, file some metal off the end of the sail area only (Figure...

  • Page 41: Adjusting The Mower Pitch

    Adjusting the Mower Pitch The factory presets the pitch of the mower deck so that back of the deck is higher than the front. Preparing the Adjust Mower Pitch Customer provided material: a wood block 51 mm (2 inch) For each mower deck that you are adjusting mower pitch, align the center mower blade shown in Figure...
  • Page 42 g256063 Figure 80 3. Wood spacer block 51 mm 1. Height-of-cut adjuster (2 inches) 2. Center mower blade 4. Rear flap Measure the distance between top of adjuster g256085 block to the ground (Figure 81). Figure 82 Rotate the height-of-cut adjuster until you 1.

  • Page 43: Storage

    Storage Storing the Machine At the end of the mowing season or when the mower is stored for an extended period, carry out the following preventative maintenance: Park the machine on a level surface; engage the parking brake; shut off the engine; remove the key;...
  • Page 44 Notes:...
  • Page 45 Notes:...
  • Page 46 The Toro Company (“Toro”) respects your privacy. When you purchase our products, we may collect certain personal information about you, either directly from you or through your local Toro company or dealer. Toro uses this information to fulfil contractual obligations - such as to register your warranty, process your warranty claim or to contact you in the event of a product recall - and for legitimate business purposes - such as to gauge customer satisfaction, improve our products or provide you with product information which may be of interest.
  • Page 47 While the exposure from Toro products may be negligible or well within the “no significant risk” range, out of an abundance of caution, Toro has elected to provide the Prop 65 warnings. Moreover, if Toro does not provide these warnings, it could be sued by the State of California or by private parties seeking to enforce Prop 65 and subject to substantial penalties.
  • Page 48 Countries Other than the United States or Canada Customers who have purchased Toro products exported from the United States or Canada should contact their Toro Distributor (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatisfied with your Distributor's service or have difficulty obtaining guarantee information, contact your Authorized Toro Service Center.

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Groundsmaster 31905

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