Scag Power Equipment Tiger Cub STC48V-26BS User manual

PART NO. 03219 Rev. 2
PRINTED 2/2008
PRINTED IN USA
© 2008
Scag Power Equipment
Division of Metalcraft of Mayville, Inc.
Congratulations on owning a Scag mower! This manual contains the operating
instructions and safety information for your Scag mower. Reading this manual
can provide you with assistance in maintenance and adjustment procedures to
keep your mower performing to maximum efciency. The specic models that
this book covers are listed on the inside cover. Before operating your machine,
please read all the information enclosed.
OPERATOR’S
MANUAL
TigerCub
Models: STC48V-26BS
STC52V-23BV
STC52V-25CV
STC52V-25CV-FR
STC61V-23BV
STC61V-25CV
STC61V-25CV-FR

WARNING
FAILURETO FOLLOW SAFE OPERATING PRACTICES MAY RESULT
IN SERIOUS INJURY OR DEATH.
Read this manual completely as well as other manuals that came with your mower.•
DO NOT operate on steep slopes.To check a slope, attempt to back up it (with the• cutter deck down). If the machine can back up the slope without the wheels slipping,
reduce speed and use extreme caution.
Under no circumstances should the machine be operated on slopes greater than 15• degrees. ALWAYS FOLLOW OSHA APPROVED OPERATION.
DO NOT mow on wet grass.Wet grass reduces traction and steering control.•
Keep all shields in place, especially the grass discharge chute.•
Before performing any maintenance or service, stop the machine and remove the• spark plug wire and ignition key.
If a mechanism becomes clogged, stop the engine before cleaning.•
Keep hands, feet and clothing away from power-driven parts.•
Keep others off the mow• er (only one person at a time)
REMEMBER -YOUR MOWER IS ONLY AS SAFE ASTHE OPERATOR!
HAZARD CONTROL AND ACCIDENT PREVENTION ARE DEPENDENT UPON THE AWARENESS,
CONCERN, PRUDENCE, AND PROPER TRAINING OF THE PERSONNEL INVOLVED IN THE
OPERATION,TRANSPORT, MAINTENANCE, AND STORAGE OFTHE EQUIPMENT.
This manual covers the operating instructions and illustrated parts list for:
STC48V-26BS with a serial number of D6500001 to D6599999
STC52V-23BV with a serial number of D6600001 to D6699999
STC52V-25CV with a serial number of E2400001 to E2499999
STC52V-25CV-FR with a serial number of E3200001 to E3299999
STC61V-23BV with a serial number of D6400001 to D6499999
STC61V-25CV with a serial number of E2500001 to E2599999
STC61V-25CV-FR with a serial number of E3300001 to E3399999
SMTC-48V with a serial number of D9100001 to D9199999
SMWC-52V with a serial number of D9200001 to D9299999
SMWC-61V with a serial number of D9300001 to D9399999
Always use the entire serial number listed on the serial number tag when referring to this product.

I
R
Table of Contents
TABLE OF CONTENTS
GENERAL INFORMATIONSECTION 1 - ...................................................................................1
1.1 INTRODUCTION...........................................................................................................................................1
1.2 DIRECTION REFERENCE...........................................................................................................................1
1.3 SERVICINGTHE ENGINE AND DRIVETRAIN COMPONENTS.................................................................1
1.4 SYMBOLS ....................................................................................................................................................2
SAFETY INFORMATIONSECTION 2 - ......................................................................................3
2.1 INTRODUCTION...........................................................................................................................................3
2.2 SIGNALWORDS..........................................................................................................................................3
2.3 BEFORE OPERATION CONSIDERATIONS................................................................................................3
2.4 OPERATION CONSIDERATIONS................................................................................................................4
2.5 ROLL-OVER PROTECTION SYSTEM.........................................................................................................6
2.6 MAINTENANCE CONSIDERATIONS & STORAGE....................................................................................8
2.7 SAFETY AND INSTRUCTIONAL DECALS.................................................................................................9
SPECIFICATIONSSECTION 3 - ..............................................................................................10
3.1 ENGINE ......................................................................................................................................................10
3.2 ELECTRICAL .............................................................................................................................................10
3.3TRACTOR...................................................................................................................................................10
3.4 CUTTER DECK ..........................................................................................................................................11
3.5 HYDRAULIC SYSTEM...............................................................................................................................11
3.6WEIGHTS AND DIMENSIONS...................................................................................................................11
3.7 PRODUCTIVITY .........................................................................................................................................11
OPERATING INSTRUCTIONSSECTION 4 - ...........................................................................12
4.1 CONTROLS AND INSTRUMENT IDENTIFICATION ................................................................................12
4.2 SAFETY INTERLOCK SYSTEM................................................................................................................13
4.3 INITIAL RUN-IN PROCEDURES................................................................................................................13
4.4 STARTINGTHE ENGINE ...........................................................................................................................14
4.5 GROUNDTRAVEL AND STEERING.........................................................................................................14
4.6 ENGAGINGTHE DECK DRIVE (CUTTER BLADES)................................................................................15
4.7 HILLSIDE OPERATION..............................................................................................................................16
4.8 PARKINGTHE MOWER.............................................................................................................................16
4.9 AFTER OPERATION..................................................................................................................................16
4.10 REMOVING CLOGGED MATERIAL ........................................................................................................16
4.11 MOVING MOWERWITH ENGINE STOPPED..........................................................................................17
4.12 RECOMMENDATIONS FOR MOWING....................................................................................................17
4.13 ADJUSTING CUTTING HEIGHT..............................................................................................................17
4.14 ADJUSTINGTHE STEERING LEVERS...................................................................................................18
4.15TOWING (OPTIONAL HITCH ACCESSORY)...........................................................................................18
TROUBLESHOOTING CUTTING CONDITIONSSECTION 5 - ...............................................19

II
R
Table of Contents
ADJUSTMENTSSECTION 6 - .................................................................................................22
6.1 PARKING BRAKE ADJUSTMENT ............................................................................................................22
6.2TRAVEL ADJUSTMENTS ..........................................................................................................................22
6.3THROTTLE CONTROL AND CHOKE ADJUSTMENTS............................................................................24
6.4 BELT ADJUSTMENT .................................................................................................................................24
6.5 BELT ALIGNMENT.....................................................................................................................................24
6.6 CUTTER DECK ADJUSTMENTS ..............................................................................................................24
6.7 CUSTOM-CUT BAFFLE ADJUSTMENT ...................................................................................................26
MAINTENANCESECTION 7 - ..................................................................................................28
7.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTERVALS ......................................................28
7.2 LUBRICATION............................................................................................................................................29
7.3 HYDRAULIC SYSTEM...............................................................................................................................31
7.4 ENGINE OIL ..............................................................................................................................................32
7.5 ENGINE FUEL SYSTEM............................................................................................................................32
7.6 ENGINE AIR CLEANER.............................................................................................................................33
7.7 BATTERY....................................................................................................................................................34
7.8 DRIVE BELTS.............................................................................................................................................35
7.9 CUTTER BLADES......................................................................................................................................35
7.10TIRES........................................................................................................................................................36
7.11 BODY, DECK, AND UPHOLSTERY .........................................................................................................36
ILLUSTRATED PARTS LISTSECTION 8 - ..............................................................................37
8.1 SCAG APPROVED ATTACHMENTS AND ACCESSORIES......................................................................37
48V & 52V CUTTER DECKS ...........................................................................................................................38
61V CUTTER DECK.........................................................................................................................................40
CUTTER DECK CONTROLS...........................................................................................................................42
SHEET METAL COMPONENTS ......................................................................................................................44
STC FIXED ROLL-OVER PROTECTION SYSTEM.........................................................................................46
STC FOLDABLE ROLL-OVER PROTECTION SYSTEM ................................................................................48
DRIVE SYSTEM COMPONENTS ....................................................................................................................50
ENGINE & ATTACHING PARTS.......................................................................................................................52
STEERING COMPONENTS.............................................................................................................................54
BRAKE COMPONENTS ..................................................................................................................................56
FUEL AND HYDRAULIC SYSTEM..................................................................................................................58
ELECTRICAL SYSTEM ...................................................................................................................................60
BDP-10A HYDRAULIC PUMP ASSEMBLY.....................................................................................................62
REPLACEMENT DECALS AND INFORMATION PLATES .............................................................................64
ELECTRICAL SCHEMATIC .............................................................................................................................66
LIMITEDWARRANTY - COMMERCIAL EQUIPMENT .................................Inside Back Cover

1
R
Section 1
INTRODUCTION1.1
Your mower was built to the highest standards in the
industry. However, the prolonged life and maximum
efficiency of your mower depends on you following the
operating, maintenance and adjustment instructions in
this manual.
If additional information or service is needed, contact your
Scag Power Equipment Dealer.
We encourage you to contact your dealer for repairs.
All Scag dealers are informed of the latest methods to
service this equipment and provide prompt and efficient
service in the field or at their service shop.They carry a
full line of Scag service parts.
- IMPORTANT -
The replacement of any part on this product
by other than the manufacturer's authorized
replacement part may adversely affect the
performance, durability or safety of this
product.
Use of other than original Scag replacement
parts will void the warranty.
When ordering parts, always give the model and serial
number of your mower.The serial number plate is located
under the seat where shown in Figure 1-1.
Model
Serial
SCAG
STC 2001 SPL-1
SERIAL NUMBER
PLATE LOCATION
Power Equipment
Mower Serial Number Plate LocationFigure 1-1.
GENERAL INFORMATION
USE ONLY SCAG APPROVED ATTACHMENTS AND
ACCESSORIES.
Attachments and accessories manufactured by companies
other than Scag Power Equipment are not approved for
use on this machine.See Paragraph 8.1.
WARNING
Forpictorialclarity,some illustrationsandfigures
inthismanual may showshields,guardsorplates
openorremoved.Undernocircumstances should
your mower be operated without these devices
in place.
All information is based upon product information available
at the time of approval for printing.Scag Power Equipment
reserves the right to make changes at any time without
notice and without incurring any obligation.
DIRECTION REFERENCE1.2
The “Right” and “Left”, “Front” and “Rear” of the machine
are referenced from the operator’s right and left when
seated in the normal operating position and facing the
forward travel direction.
SERVICINGTHE ENGINE AND DRIVE1.3
TRAIN COMPONENTS
The detail servicing and repair of the engine, hydraulic
pumps and gearboxes are not covered in this manual;
only routine maintenance and general service instructions
are provided.For service of these components during the
limited warranty period, it is important to contact your
Scag dealer or find a local authorized servicing agent
of the component manufacturer. Any unauthorized work
done on these components during the warranty period
may void your warranty.