Instruction/ maintenance manual of the product STT52V-25CH-LP Scag Power Equipment
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PART NO. 03276 PRINTED 1/2011 PRINTED IN USA © 2011 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 dec k down).
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 TROUBLESHOO TING CUTTING CONDITIONS SECTION 5 - ............................................... 20 ADJUSTMENTS SECTION 6 - .................................................................................................23 6.1 P ARKING BRAKE ADJUSTMENT .
1 R Section 1 INTRODUCTION 1.1 Y our mower was built to the highest standards in the industr y . Howe v er , the prolonged lif e and maximum efficiency of your mower depends on you follo wing the operating, maintenance and adjustment instructions 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 injur y or death.
4 R Section 2 DO NO T allow children to ride or pla y on the 3. machine, it is not a to y . Clear the area to be mow ed of objects that could be 4. pick ed up and thrown b y the cutter blades . DO NO T carr y passengers. 5. DO NO T operate the machine under the influence of 6.
5 R Section 2 Sta y two cut widths aw a y from slopes, drop offs, 3. ditches and retaining walls . T o prev ent tipping or loss of control, star t and stop 4. smoothly , av oid unnecessar y tur ns and tra vel at reduced speed. When using any attachment, ne v er direct the 5.
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 The potential e xposure of the seat belt to sev ere environmental conditions make it cr ucial to inspect the seat belt system regularly .
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 running, keep hands , f eet, and clothing aw ay from mo ving par ts.
9 R Section 2 SAFETY AND INSTRUCTIONAL DECALS 2.9 W ARNING INST ALL BEL T CO VER BEFORE OPERA TING MA CHINE READ OPERA TOR'S MANU AL 483402 2011 STT -25CH-LP Safety Decals 481568 FOR W ARD REVERS.
10 R Section 3 SPECIFICA TIONS ENGINE 3.1 General T ype ......................................................................................................... Hea vy Duty Industrial/Commercial LP Brand ..............................................
11 R Section 3 CUTTER DECK 3.4 T ype ......................... Floating, Adjustable , Anti-Scalping, Hybr id Design Combines Out-F ront and Belly-Mount Designs Construction ..............................................................................
12 R Section 4 CA UTION Do not attempt to operate this mower unless y ou 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 Be fore o per ati ng the mowe r , fami li ar ize your se lf w ith al l mo wer and eng ine cont rols .
13 R Section 4 Hourmeter (Figure 4-1). 6. Indicates the number of hours the engine has been operated. It only operates when the engine is running. Has preset maintenance reminders f or engine and hydr aulic system oil changes. Will star t flashing scheduled maintenance 2 hours bef ore preset time and continue flashing until 2 hours after .
14 R Section 4 ST ARTING THE ENGINE 4.4 CA UTION DO NO T USE ST ARTING FLUIDS. Use of star ting fluids in the air intake system may be potentiall y explosive or cause a “runaway” 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 deck 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 move the mow er around without the engine running, rotate the dump v alve lev ers counter- clockwise . See Figure 4-4. Disengage the parking brak e and mov e the mow er b y h and.
18 R Section 4 Inser t the lany ard pin into the cutting height index at 3. the desired cutting height. Push f orward on the dec k lift f oot lev er , hold in place and pull bac k on the deck release le ver . See Figure 4-6. Slo wly release the foot pedal.
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 U ND - WA V Y H I G H - L O W APPEARANCE, SCALLOPED CUT , OR ROUGH CONT OUR Width of Deck SGB020 Lift worn from blade Replace bl.
22 R Section 5 CONDITION CA USE CURE SCALPING - BLADES HITTING DI R T OR CUT TI NG VE R Y CLO SE T O THE GROUND Width of Deck SGB022 Low tire pressures Check and adjust pressures Ground speed too f as.
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 ossib le severe injur y could result. The parking brak e linkage should be adjusted whene v er the parking brak e 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 lev ers are in the neutral position and the machine creeps f orward or bac kward.
25 R Section 6 Actuate the steering control lev ers f orward and 6. re verse se v eral 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 perf ormance of your Scag mow er . If you experience 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 f actor y .
27 R Section 6 - NO TE - T o prev ent 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 have 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 or mance in any type of grass . The Custom-Cut Baffle can be raised or low ered to precisely tailor the deck's performance for the type of grass being cut.
29 R Section 6 ELECTRIC CLUTCH ADJUSTMENT 6.7 The electric clutch ser ves tw o functions in the operation of the mo wer . In addition to star ting and stopping the po wer flow to the cutter blades, the clutch also acts as a brak e to assist in stopping b lade 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 hardw are for tightness X Check h ydraulic oil le v el See paragr aph 7.3 X Check all belts for 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 paragraph 7.2 X Check hardw are f or 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 ) STT-25CH-LP Grease Points 1 8 4 3 9 5 9 2 10 Lubrication Fitting P oints Figure 7-1.
33 R Section 7 - IMPORT ANT - The h ydraulic oil should be changed if you notice the presence of water or a rancid odor to the h ydraulic oil. P ark the mower on a le v el surface and stop the 1. engine. Place a suitable container under the h ydraulic oil 2.
34 R Section 7 STT99CEC ENGINE OIL FILTER DRAIN PLUG Drain Plug Location Figure 7-5. C. CHANGING ENGINE OIL FIL TER After the first 20 hours of ope ration, replace the engine oil filter . Thereafter , replace the o il filter after e very 200 hours of operation or e v er y month, whiche ver occurs first.
35 R Section 7 W ARNING DO NO T overfill. Follo w appro ved pr ocedures for filling. This cylinder is designed to contain LP Gas; a flammable liquid and gas under pressure. DO NOT expose to fire or heat above 120 degrees Farenheit. Be sure all fittings are tight and leak proof .
36 R Section 7 W ARNING Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known to cause cancer and reproductive harm. W ash hands after handling. W ARNING Electric storage batter y fluid contains sulfuric acid which is POISON and can cause SEVERE CHEMICAL B URNS.
37 R Section 7 CUTTER BLADES 7.9 A. BLADE INSPECTION Remov e the ignition ke y bef ore ser vicing the blades . 1. Raise the mower dec k to the highest position. Place 2. the lany ard pin in the highest cutting height position to pre vent the cutter dec k from falling.
38 R Section 7 WASHER HEX HEAD BOLT CUTTER BLADE SPINDLE ASSEMBLY CUTTER BLADE SPACER HEX HEAD BOLT / NUT CUTTER DECK SPINDLE SHAFT HEX NUT-TORQUE TO 75 LB-FT Blade Replacement Figure 7-7. - NO TE - Be sure that the b lade is installed with the lift wing tow ard the top.
39 R Section 7 B. CHANGING LUBRICANT The lubr icant in the cutter dec k gearbo x should be changed after e very 500 hours of operation or yearly , whiche ver occurs first. Place a suitable container beneath the cutter dec k 1. gearbo x and locate the gearbox dr ain plug.
40 R Section 8 SCA G APPR O VED A TT A CHMENTS AND 8.1 A CCESSORIES. Attachments and accessories manuf actured by companies other than Scag P o wer Equipment are not approv ed f or use on this machine.
41 R Section 8 NO TES.
42 R Section 8 52V CUTTER DECK 44 61 63 69 12 65 64 52 58 54 17 59 24 14 56 28 56 33 3 A A B B 4 14 29 20 53 28 52 24 58 24 52 73 66 32 13 68 55 55 29 58 2 3 23 3 11 50 13 46 60 49 67 24 35 48 9 16 19.
43 R Section 8 52V CUTTER DECK 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 37 38 .
44 R Section 8 61V Cutter Dec k 44 61 63 69 12 65 64 52 58 54 17 59 24 14 56 28 56 33 3 A A B B 4 14 29 20 53 28 52 24 58 24 52 73 66 32 13 68 55 55 29 58 2 3 23 3 11 50 13 46 60 49 67 24 35 48 9 16 1.
45 R Section 8 61V Cutter Dec k 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 37 38.
46 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 .
47 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.
48 R Section 8 SHEET MET AL COMPONENTS STT -25CH-LP 2011 SMC 48 50 26 30 25 12 15 19 9 1 23 24 31 32 33 34 29 33 36 37 40 39 38 41 42 43 51 35 44 45 15 27 22 4 20 28 15 14 13 12 11 10 16 17 20 5 8 7 1.
49 R Section 8 SHEET MET AL 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 3.
50 R Section 8 STT R OLL-O VER PR O TECTION SYSTEM 2 3 4 4 2 3 4 3 4 1 1 1 7 8 6 9 5 7 5 11 10 11 6 10 9 2 5 5.
51 R Section 8 STT R OLL-O VER PR O TECTION SYSTEM Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 462210 04001-87 04021-19 04040-13 484168 04001-163 04021-19 484166 484170 484169 484167 STT , ROPS Bolt, He x Head 1/2-13 x 4” Nut, Center Lock 1/2-13 Flatwasher , 1/2-.
52 R Section 8 Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 9292 04001-178 04040-11 483594 482950 482945 482946 482940 482943 482948 482942 482952 482944 482948 482941 04001-12 483440 Suspension Seat Assembly w/seat belt Bolt, He x Head 7/16-20 x 1” Flatwasher , 7/16-.
53 R Section 8 NO TES.
54 R Section 8 DECK DRIVE COMPONENTS STT 2005 DDC B A A B C C Frame 2 1 40 3 47 46 47 43 42 4 41 45 59 53 8 54 72 5 6 64 63 62 7 52 55 9 60 61 10 11 56 52 12 15 65 58 52 14 13 12 20 17 45 18 66 19 67 .
55 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 .
56 R Section 8 ENGINE AND A TT A CHING P ARTS - K OHLER LP STT 2005 EAPKH 1 3 7 8 2 5 9 10 9 14 FRAME REF. PUMP MTG. WELDMENT 11 6 15 16 10 12 4 12 10 13.
57 R Section 8 ENGINE AND A TT A CHING P ARTS - K OHLER LP Ref. No. P ar t No. Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 422593 04017-05 ** 482510 04110-01 424691 483537 484052** 04001-19 040.
58 R Section 8 BRAKE AND STEERING COMPONENTS STT2006B&SC REV 1 A 1 10 11 33 17 9 19 23 41 11 21 34 36 57 73 48 47 46 5 23 53 42 43 44 45 15 56 70 69 71 62 15 65 60 64 67 60 52 41 34 23 51 50 34 35.
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 HYDRA ULIC SYSTEM - K OHLER LP D D D E F C I H G G F E A A B C DUMP VALVE B 2009 STT -25CH-LP HS.eps I H 39 23 24 26 40 34 25 35 21 31 33 9 30 30 11 12 13 7 4 4 3 44 45 17 5 4 4 5 42 34.
61 R Section 8 HYDRA ULIC SYSTEM - K OHLER LP 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 .
62 R Section 8 LP SYSTEM - K OHLER A A B B C C D D TO V APORIZER FROM V APORIZER TO CARBURE TO R 1 1 3 3 2 11 21 2 5 5 2 4 23 24 25 10 10 7 2 7 8 9 6 6 3 3 3 3 6 17 17 15 16 18 19 20 12 13 22 14 5 5 5.
63 R Section 8 LP SYSTEM - K OHLER 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 04001-12 04001-18 04001-19 04019-03 04019-04 04041-07 422386 425254.
64 R Section 8 BDP-16A HYDRA ULIC PUMP ASSEMBL Y 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 21 22 23 24 25 26.
65 R Section 8 BDP-16A HYDRA ULIC PUMP ASSEMBL Y 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 HG70740 HG51455 HG70735 HG51462 HG5143.
66 R Section 8 ELECTRICAL SYSTEM - K OHLER LP SC AG POWER EQUIPMENT 21 1 3 4 5 6 12 13 17 STT -25CP-LP 2009 ES 10 10 11 17 18 15 14 19 20 22 23 24 25 1 28 27 14 15 9 10 11 8 B B 7 15 14 16 A 26 18 A C.
67 R Section 8 ELECTRICAL SYSTEM - K OHLER LP 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 483623 48298 483366 462069 48017.
68 R Section 8 REPLA CEMENT DECALS AND INFORMA TION PLA TES 1 2 5 3 6 4 9 16 18 8 2011 STT -25CH-LP Decals 1 W ARNING INST ALL BEL T CO VER BEFORE OPERA TING MA CHINE READ OPERA T OR'S MANUAL 481.
69 R Section 8 REPLA CEMENT DECALS AND INFORMA TION PLA TES 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 483407 483406 483044 4839.
70 R Section 8 ELECTRICAL SCHEMA TIC - K OHLER LP Kohler STT Schematic Serial No . 7700001 & Higher RELA Y MODULE PLUG POS AMPMETER NEG AMPMETER PT O SWITCH KEY SWITCH ENGINE CLUTCH NEG POS HOURMETER GROUND R.H. NEUTRAL SWITCH 20 AMP FUSE 20 AMP FUSE BRAKE INTERLOCK SWITCH SEA T SWITCH L.
LIMITED W ARRANTY - COMMERCIAL EQUIPMENT Any part of the Scag commercial mower manuf actured by Scag P o wer Equipment and f ound, in the reasonable judgment of Scag, to be def ective in materials or .
© 2011 Scag Power Equipment Division of Metalcraft of Mayville, Inc..
An important point after buying a device Scag Power Equipment STT52V-25CH-LP (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 STT52V-25CH-LP 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 STT52V-25CH-LP - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Scag Power Equipment STT52V-25CH-LP 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 STT52V-25CH-LP will certainly help you make a decision on the purchase.
If you already are a holder of Scag Power Equipment STT52V-25CH-LP, 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 STT52V-25CH-LP.
However, one of the most important roles played by the user manual is to help in solving problems with Scag Power Equipment STT52V-25CH-LP. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Scag Power Equipment STT52V-25CH-LP 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
