Scag Power Equipment STT-28CAT manual Section Electrical Schematic 28HP Cat Diesel

Page 68

R

Section 8

ELECTRICAL SCHEMATIC (28HP Cat Diesel)

A

 

 

 

POSITION

 

CIRCUIT “MAKE”

ACCESSORY

B + A

 

OFF

 

- -

 

RUN

 

B + I

 

START

 

B + I + S + A

TERMINAL “I”

 

 

TERMINAL “A”

 

 

 

TERMINAL “S”

 

 

 

TERMINAL “B”

 

 

 

C

 

 

 

86

87a

87

85

30

 

 

 

 

B

N.O.

N.C.

COM.

D

8687

8530

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHTW/PURPLESTRIPE

WHITE

RED

BLACK BLACK

RED RED

WHTW/PURPLESTRIPE

RED

GREEN

RED RED

LIGHTBLUE

RED BLUE

RED

BLACK BLACK

RED

RED

 

BLUE

BLACK

WHITEW/REDSTRIPE

W/BLKSTRIPE

RED

PINK

RED

GREEN

GRNW/WHTSTRIPE

GRNW/BLKSTRIPE

W/BLKSTRIPE

BROWN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LIGHT

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ORANGE

 

 

 

RED

 

 

 

 

 

 

BLACK

WHITE

BLK W/WHITE STRIPE

WHT W/PURPLE STRIPE

WHITE W/BLK STRIPE

BLK W/WHITE STRIPE

WHT W/PURPLE STRIPE

BLUE BLACK

RED

GRN W/WHT STRIPE

BROWN

ORANGE

PINK

WHITE W/RED STRIPE

RED

YELLOW

RED

RED

D

RED

PURPLE

WHT W/PURPLE STRIPE

RED

RED

WHITE

WHITE W/RED STRIPE

D

RED

YELLOW

YELLOW

RED

RED

RED

RED

RED

BLACK

WHTW/PURPLE

BLACK

WHTW/PURPLE

BLACK

RED

RED

RED

RED

RED

PINK

BLACK

RED

 

BLACK

 

BLACK

 

BLUE

RED BLACK

RED

RED

 

RED

RED RED

 

STRIPE

STRIPE

ORANGE

RED

 

RED

RED

 

64

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Contents OPERATOR’S Manual Remember Your Mower is only AS Safe AS the Operator Table of Contents Limited Warranty Commercial Equipment Inside Back CoverGeneral Information IntroductionDirection Reference Servicing The Engine and Drive TraiN ComponentsSymbols Symbol DescriptionBefore Operation considerations Safety InformationSignal Words Operation Considerations Section Roll-over protection system Foldable Roll-Over Protection SystemSeat Belt Inspection Maintenance Considerations & storage Safety and Instructional Decals Diesel Fuel onlySpecifications Power headEngine ElectricalWeights and Dimensions Cutter DeckHydraulic System SMT61V SMT72VOperating Instructions Controls and Instrument IdentificationSafety Interlock System Dump Valve ControlForward Travel Starting the EngineGround Travel and Steering Engaging the Deck Drive Cutter Blades Reverse TravelHillside Operation Parking the MowerAfter Operation Removing Clogged MaterialRecommendations for Mowing Adjusting Cutting HeightMoving Mower with Engine Stopped Adjusting the Height Adjust Pedal Adjusting the Steering LeversTowing optional hitch accessory Troubleshooting Cutting Conditions Condition Cause CureTroubleshooting Cutting Conditions Contd Scalping Blades Hitting Adjustments Parking Brake AdjustmentTravel Adjustments Neutral AdjustmentTracking Adjustment Throttle Control and Choke AdjustmentsBelt Adjustment Cutter Deck Adjustments Belt AlignmentCutter Deck Level Cutter Deck PitchCutter Deck Height Cutter Deck StopCustom-Cut Baffle Adjustment Custom-Cut Baffle AdjustmentMaintenance Maintenance Chart Recommended Service IntervalsMaintenance Chart Recommended Service Intervals Contd LubricationSection Checking Hydraulic Oil Level Changing Hydraulic OilEngine Oil Engine Fuel SystemBattery Engine Air CleanerCleaning and/or Replacing Air Cleaner Element Replacing In-Line Fuel Filter ElementsCharging the Battery Drive BeltsCutter Blades Blade InspectionBlade Sharpening Blade ReplacementTires Cutter Deck Gearbox Cooling SystemChecking Lubricant Level Changing LubricantChecking The Fan Belt Tension Cleaning the Radiator Debris ScreenBODY, DECK, and Upholstery Illustrated Parts List Scag Approved Attachments and AccessoriesSection 61V & 72V Cutter Deck Description Cutter Deck Controls 481764 Link, Deck Lift Sheet Metal Components Sheet Metal Components Section STT ROLL-OVER Protection System with Suspension Seat 9292 Deck Drive Components Deck Drive Components Section Engine & Attaching Parts 28HP Cat diesel Section Engine & Attaching Parts 28HP Cat Diesel Section Radiator & Attaching Parts 28HP Cat Diesel Radiator & Attaching Parts 28HP Cat Diesel Brake and Steering Components Brake and Steering Components Section Fuel and Hydraulic System 28HP Cat Diesel Section Fuel and Hydraulic System 28HP Cat Diesel Section BDP-16A Hydraulic Pump Assembly with Cooling Fan Hex Screw, Flanged Head M10 x 1.50-65mm Section Electrical System 28HP Cat Diesel Electrical System 28HP Cat Diesel Heavy-Duty Commercial Sttkbd Decals Page2 Section Electrical Schematic 28HP Cat Diesel Limited Warranty Commercial Equipment