Toro ProLine 30152 Operator's Manual
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Toro ProLine 30152 Operator's Manual

Toro ProLine 30152 Operator's Manual

52” mower for mid-size traction unit
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FORM NO. 3321-527
ProLine
52" Mower
for Mid-Size Traction Unit
Model No. 30152 – 890001 & Up
Operator's Manual
IMPORTANT: Read this manual carefully. It contains information about your
safety and the safety of others. Also become familiar with the controls and
their proper use before you operate the product.

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  • Page 1 FORM NO. 3321-527 ProLine 52” Mower for Mid-Size Traction Unit Model No. 30152 – 890001 & Up Operator’s Manual IMPORTANT: Read this manual carefully. It contains information about your safety and the safety of others. Also become familiar with the controls and their proper use before you operate the product.
  • Page 2 Introduction We want you to be completely satisfied with your The warning system in this manual identifies new product, so feel free to contact your local potential hazards and has special safety messages that Authorized Service Dealer for help with service, help you and others avoid personal injury, even death.

  • Page 3: Table Of Contents

    Contents Page Page Maintenance ......Safety and Instruction Decals ....Service Interval Chart .

  • Page 4: Safety And Instruction Decals

    Safety Safety and Instruction Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. See Traction Unit Operator’s Manual for Glossary of Safety Symbols...

  • Page 5: Assembly

    Assembly Loose Parts Note: Use the chart below to identify parts used for assembly. DESCRIPTION QTY. Castor Wheel Assembly Thrust Washer Install castor wheels to carrier frame Spacer Retaining Ring Carrier Frame Flange Screw 1/2–13 x 1” (25 mm) Install carrier frame to traction unit Flange Nut 1/2–13 Adjusting Shaft Jam Nut 1/2–13...

  • Page 6: Installing The Castor Wheels

    Assembly Installing the Castor Wheels Installing the Carrier Frame to the Traction Unit Place the (2) thrust washerS and spacer onto the castor wheel fork (Fig. 1). Align the carrier frame holes with the mounting holes in the traction unit frame (Fig. 2). Insert the castor wheel fork into the carrier frame mounting tube (Fig.

  • Page 7: Installing The Cutting Deck

    Assembly Installing the Cutting Deck Installing the Drive Belt Position the cutting deck under the carrier frame. Remove the hand knobs holding the deck cover to the top of the cutting unit and remove the Mount the cutting deck to the carrier frame with deck cover.
  • Page 8 Assembly Thread two (2) 1/2” jam nuts approximately 9” (22.8 cm) up on each adjusting shaft (Fig. 5). Slide a 1/2” spacer, spring and bushing onto each adjusting shaft. Make sure to install the bushing with the flange end against the spring (Fig. 5). m–2541 Figure 6 m–2542...

  • Page 9: Operation

    Operation Side Discharge Engaging the Mower Blades or Mulch Grass (PTO) The mower has a hinged grass deflector that disperses The blade control switch (PTO) in conjunction with clippings to the side and down toward the turf. the blade control bail engages and disengages power to the electric clutch and mower blades.

  • Page 10: Adjusting The Height-Of-Cut

    Operation Adjusting the Height-of-Cut Adjusting Gage Wheels The height-of-cut is adjustable from 2” to 5” (51 to The gage wheels must be adjusted in the proper hole 127 mm) in 1/2-inch (13 mm) increments by location for each height-of-cut position. relocating the clevis pins in different hole locations in After adjusting height-of-cut.

  • Page 11: Tips For Mowing Grass

    If you cannot mow for an extended period, as necessary. If a blade is damaged or worn, replace it first mow at a high cutting height; then mow again immediately with a genuine TORO replacement two days later at a lower height setting. blade.

  • Page 12: Maintenance

    Maintenance Service Interval Chart Each Storage Service Operation Notes Hours Hours Service Cutting Blades – check Belts – check for wear/cracks Blade Spindle Bearings – grease Idler Arm – grease Castor Wheels – grease Mower Housing – clean Chipped Surfaces – paint Cutting Blades Before Inspecting or Servicing the Blades...
  • Page 13 Maintenance Inspecting the Blades Checking for Bent Blades Inspect the cutting edges (Fig 11). If the edges Rotate the blades until the ends face forward and are not sharp or have nicks, remove and sharpen backward (Fig. 12). Measure from a level the blades.
  • Page 14 (Fig. 14). performance and continued safety conformance of the Repeat this procedure until the blade is balanced. machine, use genuine TORO replacement blades. Replacement blades made by other manufacturers may result in non-conformance with safety standards.

  • Page 15: Correcting Cutting Unit Mismatch

    Maintenance Correcting Cutting Unit Setting the Front-to-Rear Pitch Mismatch Check the tire pressure. Position the blades front-to-rear (Fig. 17). If one cutter blade cuts lower than the other, correct Measure at “C” and “D” locations (Fig. 17) from as follows: a level surface to the cutting edge of the blades Stop the engine, remove the key and disconnect (Fig.

  • Page 16: Setting The Side-To-Side Leveling

    Maintenance To change the front-to-rear pitch, move an equal Setting the Side-to-Side Leveling number of thrust washers on both castor wheel forks. Move the thrust washers from the top of Check the tire pressure. the carrier frame mounting tube to the bottom to raise the front of the mower.

  • Page 17: Greasing The Bearings And Bushings

    Maintenance Greasing the Bearings and Stop the engine, remove the key and disconnect the spark plug wire(s) from the spark plug(s). Bushings Remove the hand knobs holding the deck cover to the top of the cutting unit and remove the The cutting unit must be lubricated regularly.

  • Page 18: Replacing The Drive Belt

    Maintenance Replacing the Drive Belt Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks and cracks are signs of a worn drive belt. Replace the drive belt if any of these conditions are evident. Stop the engine, remove the key and disconnect the spark plug wire(s) from the spark plug(s).

  • Page 19: Replacing The Castor Wheel Fork Bushings

    Maintenance Replacing the Castor Wheel Insert a pin punch into the mounting tube and carefully drive out the bushings (Fig. 28). Clean Fork Bushings the inside of the mounting tube. Grease the inside and outside of the new The castor wheel forks are mounted in bushings bushings.

  • Page 20: Servicing The Castor Wheels And Bearings

    Maintenance Servicing the Castor Wheels To assemble, place one (1) bushing into the wheel hub. Grease the roller bearing and spanner and Bearings bushing and slide them into the wheel hub. Place the second bushing into the wheel hub (Fig. 29). The castor wheels rotate on a roller bearing supported Install wheel bolt, (2) washers per side, and by a spanner bushing.

  • Page 21: Replacing The Grass Deflector

    Maintenance Replacing the Grass Deflector Storage Remove the locknuts, bolts and springs holding Clean any dirt and chaff from the top of the the deflector mounts to the pivot brackets mower. (Fig. 30). Scrape any heavy buildup of grass and dirt from If the pivot brackets need to be replaced, remove the underside of the mower, then wash the the carriage bolts and cone locknuts holding the...
  • Page 22 Troubleshooting PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION Abnormal vibration. Cutting blade(s) is/are bent or Install new cutting blade(s). unbalanced. Blade mounting bolt is loose. Tighten blade mounting bolt. Engine mounting bolts are Tighten engine mounting loose. bolts. Loose engine pulley, idler Tighten the appropriate pulley, or blade pulley.

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