Instruction/ maintenance manual of the product STT61V-25KBD Scag Power Equipment
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PART NO. 03249 PRINTED 7/2008 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.
W ARNING F AILURE T O FOLLO W SAFE OPERA TING PRA CTICES MA Y RESUL T IN SERIOUS INJUR Y OR DEA TH. Read this manual completely as well as other man uals that came with your mo wer . • DO NO T operate on steep slopes. T o chec k a slope, attempt to bac k up it (with the • cutter deck do wn).
I R T able of Contents T able of Contents GENERAL INFORMA TION SECTION 1 - ................................................................................... 1 1.1 INTRODUCTION .........................................................................
II R T able of Contents ADJUSTMENTS SECTION 6 - ................................................................................................. 23 6.1 P ARKING BRAKE ADJUSTMENT ........................................................................
1 R Section 1 INTRODUCTION 1.1 Y our mo wer w as b uilt to the highest standards in the industr y . How ev er , the prolonged life and maximum efficiency of your mo wer depends on you follo wing the operating, maintenance and adjustment instr uctions in this manual.
2 R Section 1 SYMBOLS 1.4 SYMBOL DESCRIPTION SYMBOL DESCRIPTION Choke T ransmission P arking Brake 48071S Spinning Blade On/Star t Spring T ension on Idler Off/Stop Oil F alling Hazard Thrown Object H.
3 R Section 2 INTRODUCTION 2.1 Y our mo wer is only as saf e as the operator . Carelessness or operator error ma y result in serious bodily injury or death.
4 R Section 2 If the operator(s) or mechanic(s) cannot read English 7. or Spanish, it is the owner's responsibility to e xplain this material to them. DO NO T wear loose fitting clothing. Loose clothing, 8. jew elr y or long hair could get tangled in moving par ts.
5 R Section 2 When using any attachment, ne v er direct the 4. discharge of material toward b ystanders or allow any one near the machine while in operation.
6 R Section 2 Low er the roll bar only when absolutely necessar y . T o lower the roll bar , loosen the tension knob on both 1. the left hand and right hand bar . See Figure 2-1. Remov e the hair pin cotter pins and remov e the two 2. (2) lock pins . See Figure 2-2.
7 R Section 2 It is recommended that the seat belt be inspected on a daily basis f or signs of damage. Any seat belt system that shows cuts, fraying, extreme or unusual wear , significant dis colo rat.
8 R Section 2 MAINTENANCE CONSIDERA TIONS & 2.6 ST ORA GE Ne ver mak e adjustments to the machine with the 1. engine running unless specifically instr ucted to do so . If the engine is r unning, k eep hands, f eet, and clothing aw ay from mo ving par ts.
9 R Section 2 SAFETY AND INSTRUCTIONAL DECALS 2.8 390S0150F 483395 483406 483407 483402 483444 483154 W ARNING INST ALL BEL T COVER BEFORE OPERA TING MA CHINE READ OPERA TOR'S MANU AL 481568 FOR W ARD REVERSE F R 483429 483633 ! CA UTION DIESEL FUEL ONL Y Av oid injur y from bu rn s.
10 R Section 3 SPECIFICA TIONS ENGINE 3.1 General T ype .................................................................................................... Hea vy Duty Industr ial/Commercial Diesel Brand ..............................................
11 R Section 3 T rav el Speed: F orward ................................................................................................................................................................. 0-12 Re verse ...................................
12 R Section 4 CA UTION Do not attempt to operate this mower unless you have read this manual. Learn the location and purpose of all controls and instruments before you operate this mo wer . CONTROLS AND INSTR UMENT 4.1 IDENTIFICA TION Bef ore operating the mower , f amiliarize yourself with all mow er and engine controls.
13 R Section 4 Hour meter (Figure 4-1). 7. Indicates the number of hours the engine has been operated. It operates whene ver the engine is running. Has preset maintenance reminders f or engine and hydr aulic system oil changes. Will start flashing scheduled maintenance 2 hours bef ore preset time and continue flashing until 2 hours after .
14 R Section 4 ST AR TING THE ENGINE 4.4 CA UTION DO NO T USE ST ARTING FLUIDS. Use of starting fluids in the air intake system may be potentiall y explosive or cause a “runawa y” engine condition that could result in engine damage and/or personal injury .
15 R Section 4 REvERSE TRA vEL CA UTION Disengage power to the mower before backing up. Do not mow in reverse unless absolutely necessary and then only after observ ation of the entire area behind the mower . CA UTION Before backing up, observe the rear for persons and obstructions.
16 R Section 4 HILLSIDE OPERA TION 4.7 W ARNING DO NO T operate on steep slopes. T o check a slope, attempt to back up it (with the cutter dec k down). If the machine can bac k up the slope without the wheels slipping, reduce speed and use extreme caution.
17 R Section 4 MO vING MO WER WITH ENGINE 4.11 ST OPPED T o “free-wheel” or mov e the mow er around without the engine running, place the dump v alv e le vers in the FREE- WHEE L posi tion (Figu re 4-4). Diseng age the parking bra ke and move the mower by hand.
18 R Section 4 CUTTING HEIGHT 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 481543 390S0151-1 DECK RELEASE LEVER Deck Release Le ver Figure 4-6. ADJUSTING THE HEIGHT ADJUST 4.14 PED AL P osition the seat to the desired location. 1. While in the operator's position without the engine 2.
19 R Section 4 T O WING (OPTIONAL HITCH 4.16 A CCESSOR Y) NEVER allow children or others in or on to wed 1. equipment. T ow only with a machine that has a hitch designed 2. f or towing. Do not attach towed equipment e xcept at the hitch point. F ollow manuf acturer's recommendations f or weight 3.
20 R Section 5 CONDITION CA USE CURE STRINGERS - OCCASIONAL BLADES OF UNCUT GRASS Width of Deck SGB020 Low engine RPM Run engine at full RPM Ground speed too f ast Slow speed to adjust f or conditions.
21 R Section 5 CONDITION CA USE CURE U N E v E N C U T O N F L A T G RO UN D - WA v Y H I G H- L OW APPEARANCE, SCALLOPED CUT , OR R OUGH CONT OUR Width of Deck SGB020 Lift worn from blade Replace bla.
22 R Section 5 CONDITION CA USE CURE SCALPING - BLADES HITTING DI R T O R CU TT IN G vE R Y CLO SE T O THE GROUND Width of Deck SGB022 Low tire pressures Check and adjust pressures Ground speed too f .
23 R Section 6 P ARKING BRAKE ADJUSTMENT 6.1 W ARNING Do not operate the mower if the parking brake is not operable . P ossible severe injury could result. The parking brak e linkage should be adjusted whene ver the par king brake lev er is placed in the “ENGA GE” position and the parking brak e will allo w the mow er to mov e.
24 R Section 6 TRA vEL ADJUSTMENTS 6.2 Neutral or trac king adjustments will need to be made if: A . The steering control le vers are in the neutral position and the machine creeps forw ard or backward.
25 R Section 6 Actuate the steering control lev ers f orward and 6. rev erse se ver al times and retur n them to the neutral position. Check that the driv e wheels remained in neutral and 7. readjust if necessar y . Check that the steering control le vers hit the stop 8.
26 R Section 6 BEL T ALIGNMENT 6.5 Belt alignment is impor tant f or proper performance of your Scag mow er . If y ou e xperience frequent belt wear or breakage, see your authorized Scag ser vice center for belt adjustment. CUTTER DECK ADJUSTMENTS 6.6 Cutter dec k le vel, pitch and height are set at the factory .
27 R Section 6 - No te - T o pre vent the cutter deck from teetering, all f our (4) cutter deck hanging chains m ust ha ve tension on them. If all four chains do not hav e tension on them and the dec k teeters, you must readjust the cutter deck as outlined in the procedures abo ve .
28 R Section 6 CUST OM-CUT B AFFLE ADJUSTMENT The Custom-Cut Baffle is designed to deliver optimum airflow and superior cutting perf ormance in any type of grass . The Custom-Cut Baffle can be raised or lowered to precisely tailor the deck's performance for the type of grass being cut.
29 R Section 6 ELECTRIC CLUTCH ADJUSTMENT 6.7 The electr ic clutch ser v es two functions in the operation of the mo wer . In addition to star ting and stopping the pow er flow to the cutter blades , the clutch also acts as a brak e to assist in stopping blade rotation when the PT O is switched off or the operator presence circuit is interrupted.
30 R Section 7 MAINTENANCE CHART - RECOMMENDED SER vICE INTER v ALS 7.1 HOURS PROCEDURE COMMENTS BREAK-IN (FIRST 10) 8 40 100 200 500 X Check all hardware for tightness X Check h ydraulic oil lev el See paragr aph 7.3 X Check all belts f or proper alignment See paragr aph 7.
31 R Section 7 MAINTENANCE CHART - RECOMMENDED SER vICE INTER v ALS (CONT'D) HOURS PROCEDURE COMMENTS BREAK-IN (FIRST 10) 8 40 100 200 500 X Apply grease to fittings See paragr aph 7.2 X Check hardw are for tightness X Change engine oil filter See paragr aph 7.
32 R Section 7 GREASE FITTING LUBRICATION LUBRICANT / INTERVAL LITHIUM MP WHITE GREASE 2125 ( 40 HOURS / WEEKLY ) CHASSIS GREASE ( 100 HOURS / BI-MONTHLY ) CHASSIS GREASE ( 200 HOURS / MONTHLY ) 4 1 6 3 5 7 2 CHASSIS GREASE ( 500 HOURS / YEARLY ) 390S0145-2 1 8 4 3 9 5 9 2 10 Lubrication Fitting P oints Figure 7-1.
33 R Section 7 B. CHANGING HYDRA ULIC OIL The hydraulic oil should be changed after ev er y 500 hours or annually , whichev er occurs first. The oil should also be changed if the color of the fluid has become black or milky .
34 R Section 7 C. CHANGING ENGINE OIL FIL TER After the first 20 hours of operation, replace the engine oil filter . Thereafter , replace the oil filter after e ver y 200 hours of operation or e very month, whiche ver occurs first. Ref er to Engine Operator’ s Manual for instructions (See Figure 7-4).
35 R Section 7 B. REPLA CING IN-LINE FUEL FIL TER ELEMENTS - No te - The fuel filter is located below the air filter . Figure 7-5 is f or illustration pur poses only . The in-line pre-filter (K ubota engine only) and the engine fuel filter (Figure 7-5) should be replaced after ev er y 500 hours of operation or annually , whichev er occurs first.
36 R Section 7 B. CHARGING THE BA TTER Y Ref er to the batter y charger’ s manual for specific instructions. Under nor mal conditions the engine’ s alternator will hav e no prob lem keeping a charge on the batter y .
37 R Section 7 B. BLADE SHARPENING - No te - If possible, use a file to shar pen the blade . Using a wheel grinder may b urn the blade. - No te - DO NOT shar pen the blades beyond 1/3 of the width of the blade . See Figure 7-6. Shar pen the cutting edge at the same be vel as the 1.
38 R Section 7 CUTTER DECK GEARBO x 7.11 A. CHECKING LUBRICANT LEvEL CA UTION The cutt er deck gearbo x can reac h high opera ting temperatures. Allow the cutter deck g earbo x to cool before servicing. 390S0161 CUTTER DECK GEARBOX CHECK PLUG Cutter Deck Gearbo x Figure 7-8.
39 R Section 7 Fill to Bottom of Filler Neck 030467-13 Coolant Level in Radiator Figure 7-9. Replace the radiator cap . Push down on the cap and 3. turn clockwise until it stops. - No te - The cooling system should be flushed and the coolant replaced e very 500 hours of operation or annually .
40 R Section 8 SCA G APPRO vED A TT A CHMENTS AND 8.1 A CCESSORIES. Attachments and accessories manuf actured by companies other than Scag P ower Equipment are not approv ed f or use on this machine.
41 R Section 8 ILLUSTRA TED P AR TS LIST NO TES.
42 R Section 8 61v & 72v Cutter Dec k 14 15 16 17 23 19 18 5 11 65 66 68 3 4 12 12 64 57 A A B B 1 7 9 8 6 5 3 5 45 62 58 48 56 61 61 7 11 79 57 20 57 84 48 83 2 69 10 26 42 39 21 74 73 23 24 22 2.
43 R Section 8 61v & 72v Cutter Dec k Ref. No. P ar t No. Description 61 72 Ref. No. P ar t No. Description 61 72 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 3.
44 R Section 8 CUTTER DECK CONTR OLS STT -28CA T 2008CDC 6 4 21 19 14 32 35 36 34 33 19 14 11 13 4 3 2 5 44 1 42 41 38 14 39 40 37 43 45 7 8 9 12 18 17 16 15 21 14 19 20 22 27 14 19 28 14 19 25 26 23 .
45 R Section 8 CUTTER DECK CONTR OLS Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 48176.
46 R Section 8 SHEET MET AL COMPONENTS STT -25KBD 2008 SMC 1 6 27 18 9 25 26 31 9 5 4 13 2 3 9 12 11 10 32 33 34 35 42 35 36 37 39 40 41 43 46 32 45 44 44 38 38 45 28 16 9 21 19 17 15 20 18 22 23 24 7.
47 R Section 8 SHEET MET AL COMPONENTS Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 .
48 R Section 8 STT R OLL-O vER PRO TECTION SYSTEM - with SUSPENSION SEA T STT -CA T 2008 FOLD ROPS 3 4 29 28 26 23 15 16 12 20 20 22 22 21 21 13 19 14 17 12 12 18 24 23 25 7 6 5 11 10 9 8 4 3 1 2 2 32.
49 R Section 8 STT R OLL-O vER PRO TECTION SYSTEM - with SUSPENSION SEA T Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 9292.
50 R Section 8 DECK DRIvE COMPONENTS Fr ame 33 D 77 29 78 11 C D B B C A A A STT CA T 2008 DDC 6 45 23 29 61 50 27 40 42 27 41 38 26 3 53 52 30 28 69 26 56 70 71 69 72 73 74 64 65 68 67 66 31 57 58 59.
51 R Section 8 DECK DRIvE COMPONENTS Ref. No. P ar t No. Description Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 .
52 R Section 8 ENGINE & A TT A CHING P AR TS - CA T DIESEL TO RADIA TO R CAP B STT CA T 2008 EAP B C D 1 1 18 19 6 7 8 14 9 10 11 12 13 23 26 24 27 28 3 27 25 33 34 25 35 28 3 38 31 30 29 32 36 39.
53 R Section 8 ENGINE & A TT A CHING P AR TS - CA T DIESEL Ref. No. P ar t No. Description Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 2.
54 R Section 8 RADIA T OR & A TT A CHING P ARTS - CA T DIESEL STT CA T 2008 RAP A A C B B B B C C C 1 4 3 3 2 4 9 5 9 8 10 11 6 6 8 9 10 10 9 8 7 14 13 28 28 32 31 14 31 14 22 14 13 9 10 8 10 9 8 .
55 R Section 8 RADIA T OR & A TT A CHING P ARTS - CA T DIESEL Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 452006 04001-23.
56 R Section 8 ENGINE & A TT A CHING P AR TS - KUBO T A DIESEL TO RADIA TO R CAP NEGA TIVE BA TTER Y CABLE A A STT KBD 2008 EAP 1 51 50 49 48 46 47 53 52 62 55 54 3 60 3 4 5 61 8 9 7 2 35 35 36 45.
57 R Section 8 ENGINE & A TT A CHING P AR TS - KUBO T A DIESEL Ref. No. P ar t No. Description Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 .
58 R Section 8 BRAKE AND STEERING COMPONENTS STT DB&SC A 1 10 9 33 17 9 19 23 41 11 21 34 36 57 73 48 46 42 43 44 83 15 56 70 69 71 62 65 64 67 60 52 51 50 34 35 TO RH PUMP TO LH PUMP 37 36 27 28 .
59 R Section 8 BRAKE AND STEERING COMPONENTS Ref. No. P ar t No. Description Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 3.
60 R Section 8 FUEL AND HYDRA ULIC SYSTEM - CA T DIESEL 2008 STT -CA T F&HS.eps D E F C I H 19 19 55 41 z 45 19 64 43 62 z 4 4 61 27 G A B 4 5 3 4 TO INJECTION PUMP 32 48 54 53 20 FROM FUEL RAIL 2.
61 R Section 8 FUEL AND HYDRA ULIC SYSTEM - CA T DIESEL Ref. No. P ar t No. Description Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30.
62 R Section 8 FUEL AND HYDRA ULIC SYSTEM - KUBO T A DIESEL D E F C I H 2007 STT -BSD F&HS.eps 34 34 32 36 37 Z 21 34 25 35 55 18 8 20 19 38 Z 2 2 5 58 59 22 G A B 2 6 4 4 TO INJECTION PUMP 17 48 .
63 R Section 8 FUEL AND HYDRA ULIC SYSTEM - KUBO T A DIESEL Ref. No. P ar t No. Description Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 2.
64 R Section 8 BDP-16A HYDRA ULIC PUMP ASSEMBL Y with Cooling F an OR OR POR T "A" SIDE POR T "B" SIDE Overhaul Seal Kit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 17 18 19 20 20 21.
65 R Section 8 BDP-16A HYDRA ULIC PUMP ASSEMBL Y with Cooling F an Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37.
66 R Section 8 ELECTRICAL SYSTEM - CA T DIESEL SC AG POWER EQUIPMENT 45 3 41 46 46 46 46 45 46 47 45 44 46 29 30 31 29 30 31 42 38 37 36 25 26 29 31 30 29 31 30 9 6 8 7 31 35 32 33 34 4 24 23 22 STT20.
67 R Section 8 ELECTRICAL SYSTEM - CA T DIESEL Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 4.
68 R Section 8 ELECTRICAL SYSTEM - KUBO T A DIESEL 20 20 B A C C B A 1 2 3 4 5 6 7 7 8 9 10 11 12 13 14 16 17 19 20 21 22 23 22 21 20 24 25 24 25 24 25 26 22 21 27 27 1 2 19 28 30 31 32 33 34 35 36 36.
69 R Section 8 ELECTRICAL SYSTEM - KUBO T A DIESEL Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 .
70 R Section 8 REPLA CEMENT DECALS AND INFORMA TION PLA TES 1 2 5 3 7 6 4 9 16 18 8 STTKBD 2008 Decals 1 W ARNING INST ALL BEL T COVER BEFORE OPERA TING MACHINE READ OPERA TOR'S MANUAL 481568 FOR.
71 R Section 8 REPLA CEMENT DECALS AND INFORMA TION PLA TES 481569 R 20 2007 STTKBD Decals Page2 22 27 26 19 481663 481664 25 21 R 483509 R 483727 483154 23 24 48404 Ref.
72 R Section 8 ELECTRICAL SCHEMA TIC - CA T DIESEL TERMINAL “I” TERMINAL “S ” TERMINAL “B” TERMINAL “A ” POSITION CIRCUIT “MAKE” AC CESSORY B + A OFF - - RU N B + I ST ART B + I + S + A 86 85 87a 87 30 N.
73 R Section 8 ELECTRICAL SCHEMA TIC - KUBO T A DIESEL REL AY MODULE PLUG POS NEG VOL T METER PTO SWITCH KEY SWITCH CLUTCH HOURMETER GROUND R.H. NEUTRAL SWITCH 20 AMP FUSE BRAKE INTERLOCK SWITCH SE AT SWITCH L.
LIMITED W ARRANTY - COMMERCIAL EqUIPMENT Any part of the Scag commercial mower manuf actured by Scag P ow er Equipment and found, in the reasonab le judgment of Scag, to be def ective in materials or .
© 2008 Scag Power Equipment Division of Metalcraft of Mayville, Inc..
An important point after buying a device Scag Power Equipment STT61V-25KBD (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Scag Power Equipment STT61V-25KBD yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Scag Power Equipment STT61V-25KBD - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Scag Power Equipment STT61V-25KBD you will learn all the available features of the product, as well as information on its operation. The information that you get Scag Power Equipment STT61V-25KBD will certainly help you make a decision on the purchase.
If you already are a holder of Scag Power Equipment STT61V-25KBD, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Scag Power Equipment STT61V-25KBD.
However, one of the most important roles played by the user manual is to help in solving problems with Scag Power Equipment STT61V-25KBD. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Scag Power Equipment STT61V-25KBD along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
