Toro 03857 Operator'S Manual Download Page 2 | Manualshive

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Toro 03857 Operator'S Manual Download Page 2

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Table of Contents

This operator's manual has instructions on safety, operation, and maintenance.

This manual emphasizes safety, mechanical and general product information. DANGER, WARNING and
CAUTION identify safety messages. Whenever the triangular safety alert symbol appears, understand the
safety message that follows. “IMPORTANT” highlights special mechanical information and “NOTE”
emphasizes general product information worthy of special attention.

Page
IDENTIFICATION AND ORDERING

3

SAFETY INSTRUCTIONS

4

SAFETY AND INSTRUCTION DECAL

4

SPECIFICATIONS

5

SET-UP INSTRUCTIONS

6

Adjust Front Shield and Fins

6

Adjust Rear Shield

6

Adjust Turf Compensation Spring

7

SETTING HEIGHT OF CUT

8-14

A. Adjusting (Parallel) Bedknife to Reel

9

Page
B. Setting Cutting Unit Attitude

10

1. Setting Attitude for New Cutting Units . . 10
2. Checking or Adjusting Attitude for Used
Cutting Units

13

C. Leveling Front Roller

16

D. Finalizing Height of Cut

17

BACKLAPPING

18

MAINTENANCE

19

Lubrication

19

Reel Bearing Adjustment

19

SPA Spring Adjustment

20

THE TORO PROMISE

Back Cover

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Summary of Contents for 03857

Page 1: ... the product it is essential that you or any other operator of the machine and cutting units read and understand the contents of this manual before the engine is ever started Pay particular attention to the SAFETY INSTRUCTIONS highlighted by this symbol The safety alert symbol means CAUTION WARNING or DANGERópersonal safety instruction Failure to comply with the instruction may result in personal ...

Page 2: ...f special attention Page IDENTIFICATION AND ORDERING 3 SAFETY INSTRUCTIONS 4 SAFETY AND INSTRUCTION DECAL 4 SPECIFICATIONS 5 SET UP INSTRUCTIONS 6 Adjust Front Shield and Fins 6 Adjust Rear Shield 6 Adjust Turf Compensation Spring 7 SETTING HEIGHT OF CUT 8 14 A Adjusting Parallel Bedknife to Reel 9 Page B Setting Cutting Unit Attitude 10 1 Setting Attitude for New Cutting Units 10 2 Checking or Ad...

Page 3: ...e concerning the cutting unit supply the model and serial numbers to assure that correct information and replacement parts are obtained To order replacement parts from an authorized TORO Distributor supply the following information 1 Model and serial numbers of the machine 2 Part number description and quantity of parts desired Note Do not order by reference number if a parts catalog is being used...

Page 4: ...lways wear long pants and substantial shoes Wearing safety glasses safety shoes and a helmet is advisable and required by some local ordinances and insurance regulations 6 Remove all debris or other objects that might be picked up and thrown by the cutting unit s reel blades Keep all bystanders away from the mowing area 7 If the cutting blades strike a solid object or the cutting unit vibrates abn...

Page 5: ...al part number is listed below and in your parts catalog Replacement can be ordered from your Authorized Toro Distributor ON FRONT SHIELD OF THE CUTTING UNIT Part No 93 6688 Danger The rotating reel will cut hands and feet Never place your hands or feet in reel area while the engine is running Read the operator manual for maintenance procedures ...

Page 6: ...el motors to vary reel speed and maintain proper clip For proper clip the controller needs to know what cutting units are installed 5 7 or 11 blade and the height of cut NOTE Refer to the traction unit operatorís manual for proper set up procedure Rollers The front roller is a 3 76 mm diameter cast Wiehle roller The rear roller is a 3 76 mm diameter steel full roller Both rollers use the same heav...

Page 7: ... front shield and or shield fin angle for desired dispersion of grass clippings 1 Position the cutting unit on a flat level surface 2 To adjust fins Fig 3 unhook and move the front mounting tab to the straight ahead or angled position slot Figure 3 1 Shield fin 2 Front grass shield 3 Front capscrew location 3 To change the front shield angle loosen the flange head capscrew securing the shield to t...

Page 8: ...d until the gap C between the rear of the spring bracket and front of the washer is 1 2 13 mm Fig 5 2 Tighten the hex nuts on the front end of the spring rod until the compressed length A of the spring is 8 203 mm Fig 5 NOTE When cutting rough or undulating turf increase the compressed length A of the spring to B 1 2 216 mm and the gap C between the rear of the spring bracket and the front of the ...

Page 9: ...ons a 001 002 03 05 mm clearance may be required to prevent heat buildup which can cause uneven wear in the reel and bedknife NOTE A 3 4 inch 19 mm wrench is needed to rotate the bedknife adjustment knob Each notch on the knob will move the bedknife 0 0005 inches 013 mm closer to the reel Fig 6 1 Rotate the cutting unit backward to gain access to reel and bedknife Fig 7 2 While slowly rotating the...

Page 10: ...ct on the performance of the cutting unit Attitude refers to the angle of the knife relative to the ground Fig 8 Adjustable front and rear brackets allow for variable adjustment of the cutting unit attitude within the height of cut range All cutting units on a machine must be set to the same attitude If they arenít the after cut appearance will be negatively affected Figure 9 1 Attitude The best c...

Page 11: ...to the underside of the screw head Fig 10 2 Set the front bracket height B using the approximate dimension given by Table 1 This measurement is between the bottom surface of the middle casting and the top surface of the rod casting Fig 11 Figure 11 3 Set the rear support bracket and side plate using the approximate dimensions given by Table 1 The rear support bracket is either in the top or bottom...

Page 12: ...t of cut below 13mm NOTE For front roller distances B greater than 38 mm switch the long and short adjusting nut locations for better support fig 11 Setting Height of Cut 12 Desired Height of Cut Desired Attitude 2nd Screw A Fig 14 Front Roller B Fig 11 Rear Support Bracket Hole Fig 12 Side Plate Hole fig 11 ...

Page 13: ...r 1 Rotate the cutting unit backward to gain access to the reel and bedknife 2 Place an angle indicator Toro part no 99 3503 on the bedknife and record the bedknife angle Fig 15 Figure 15 1 Bedknife angle 3 Using a two screw gauge bar Toro part no 98 1852 set the first screw to desired height of cut 4 Place the gauge bar across the front and rear rollers The first screw head needs to fit snugly ov...

Page 14: ...to gain access to reel and bedknife 2 Using a two screw gauge bar Toro part no 98 1852 set the first screw to the desired height of cut 3 Place the gauge bar across the front and rear rollers The first screw head needs to fit snugly over the edge of the bedknife while the gauge bar contacts the front roller Fig 17 NOTE The rear roller does not have to contact the gauge bar Figure 17 1 1st screw 4 ...

Page 15: ... gauge bar across front and rear rollers While the first screw head fits snugly over edge of the bedknife and the second screw contacts the bedknife adjust the front roller until contacts the gauge bar Fig 17 11 Use your gauge bar to set the cutting unit attitude to of the remaining cutting units on the machine C LEVELING THE FRONT ROLLER IMPORTANT Toro strongly recommends the use of a leveling pl...

Page 16: ...er contact with newspaper to ensure roller has not changed position and is parallel with the reel and bedknife Figure 21 D FINALIZING HEIGHT OF CUT IMPORTANT Adjusting Parallel the bedknife to the reel setting the cutting unit attitude and leveling the front roller must be completed before finalizing height of cut 1 Using a two screw gauge bar Toro part no 98 1852 set the first screw to the desire...

Page 17: ...turn the rear adjusting screw clockwise until a slight gap exists between the rear roller and gauge bar Then turn the rear adjusting screw counterclockwise until the rear roller contacts the gauge bar After adjustment verify that the gauge bar contacts the rear roller on both ends of the bedknife NOTE Make sure the gauge bar is in contact with the front roller at all times to keep correct cutting ...

Page 18: ...eed while backlapping Only backlap at idle engine speed Never attempt to turn reels by hand or foot while the engine is running 6 Select either the front or rear on the backlap switch to backlap either the front or rear reels DANGER To avoid personal injury be certain that you are clear of the cutting units before proceeding 7 Move the Enable Disable switch to the Enable position Move the Lower Mo...

Page 19: ...e front edge of the bedknife 12 Repeat the procedure for all cutting units to be backlapped 13 When backlap operation has been completed return the backlap switch to OFF lower the seat and wash all lapping compound off the cutting units Adjust the cutting unit reel tobedknife contact as needed IMPORTANT If the backlap switch is not returned to the OFF position after backlapping the cutting units w...

Page 20: ...exits The reel bearings can be checked and adjusted as follows 1 Loosen reel to bedknife contact by turning the bedknife adjusting knob Fig 28 counter clockwise until no contact exists Figure 28 1 Bedknife adjusting knob 2 Hold on to the reel shaft and try to move the reel assembly side to side Fig 29 Figure 29 3 If end play exists proceeded as follows A Loosen the set screw securing the bearing a...

Page 21: ... the single point adjustment assembly Fig 31 is removed for servicing make sure the spring is compressed to a length of 1 25 32 mm This adjustment is attained by tightening the nut on knob shaft Figure 31 1 Single point adjust assembly 2 Adjusting nut 21 Maintenance 2 1 32 mm 1 2 ...

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