Service Bulletin

ManualsBrandsToro ManualsRiding ProductsReelmaster 3575 Traction Unit

LargeReels#11-03

CustomerBulletin

CommercialProducts

August06,2020

ToroCustomerBulletinLR#11-03EN(3438-141RevA)Page1of4

Reelmaster3555and3575ParkingBrakesStickAugust06,2020

ParkingBrakesStick

Reelmaster

3555and3575

BulletinType

Status

AffectedUnits

InformationOnly

FinalRelease

ModelNumber(s)SerialNumber(s)

03820316000001through404925951

03821316000001through403446000

SituationImportantInformation

Grassaccumulationinsideofthebrakedrumsmaycausetheparking

brakestoseizeandbecomestuck.Thismaycausethebrakestoremain

engagedandnotallowthemachinetomove.

CorrectiveAction

FixasFail

Ifthebrakesseizeorremainengaged,repairorreplacethedamaged

brake-assemblycomponents,theninstallnewwheel-rimgrassshields

(PartNumber136-8006-03)topreventgrassclippingsfromenteringthe

brakedrum.

Afterinstallingtheshields,adheretothefollowingmaintenanceschedule:

•Dailyorbeforeeachuse:Checkthebrakeandparkingbrakeoperation.

•Every400hours:Removethebrakedrumandinspectforwear.

AddthisinformationtothemaintenancescheduleinyourOperator's

ManualordownloadthelatestOperator'sManualfromwww.T oro.com.

RefertoyourauthorizedT orodistributororwww.Toro.comformore

information.

ServiceInstructions

PreparingtheMachine

1.Parkthemachineonalevelsurface.

2.Engagetheparkingbrake.

3.Lowerthecuttingunits.

4.Shutofftheengineandremovethekey.

RaisingtheMachine

Useajacktoraisethemachine;refertothejackinginstructionsinyour

machineServiceManual.

Summary of content (4 pages)

PAGE 1
Large Reels #11-03 Customer Bulletin August 06, 2020 Commercial Products Parking Brakes Stick Reelmaster ® 3555 and 3575 Bulletin Type Information Only Status Final Release Affected Units Situation Model Number(s) Serial Number(s) 03820 316000001 through 404925951 03821 316000001 through 403446000 Important Information Grass accumulation inside of the brake drums may cause the parking brakes to seize and become stuck.
PAGE 2
Removing the Wheel Refer to Figure 1 for this procedure. Figure 1 1. Lug nut 6. Brake assembly 2. Tire 3. Locknut 7. Locknut 8. Clevis pin 4. Wheel hub and brake drum 9. Adjustment rod 5. Capscrew 10. Cotter pin 1. Remove the lug nuts from the wheel-hub drive studs. 2. Remove the wheel. Removing the Brake Assembly Refer to Figure 1 for this procedure. 1. Remove the locknut from the hydraulic-motor shaft. Important: Do not hit the wheel hub or puller with a hammer during removal or installation.
PAGE 3
Adding Anti-Seize Compound and Grease to the Brake Assembly 1. Remove the E-ring and the lever from the brake assembly (Figure 2). Figure 2 1. Brake-shoe pivot points 3. Lever 2. Cam-shaft splines 4. E-ring 2. Apply anti-seize lubricant to the cam-shaft splines (Figure 2). 3. Install the lever and E-ring to the cam-shaft splines (Figure 2). 4. Lightly lubricate the brake-shoe pivot points (Figure 2) with general-purpose grease.
PAGE 4
. Slide the wheel hub and brake drum assembly onto the shaft. 5. Use a lock nut to secure the wheel hub and brake drum to the hydraulic-motor shaft. Note: For proper brake operation, the brake shoes and backing plate must be concentrically aligned with the brake drum. 6. To align the brake shoes and drum, engage the parking brake. 7. Tighten the 4 socket-head screws and lock nuts that secure the brake bracket and wheel motor to the frame. 8.