Instruction/ maintenance manual of the product SCR MB QUART
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MODEL SCR THIS MANUAL CONT AINS THE OPERA TING INSTRUCTIONS AND SAFETY INFORMA- TION FOR YOUR SCAG MOWER. READING THIS MANUAL CAN PROVIDE YOU WITH ASSIST ANCE IN MAINTENANCE AND AD- JUSTMENT PROCEDURES TO KEEP YOUR MOWER PERFORMING TO MAXIMUM EFFI- CIENCY .
F AILURE TO FOLLOW SAFE OPERA TING PRACTICES MA Y RESUL T IN SERIOUS INJURY . * 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 .
1 SCR 2K SPL Serial Plate GENERAL INFORMA TION 1.1 INTRODUCTION Y our 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.
2 CE Mark T ransmission Choke On/Start Spring T ension on Idler Oil Off/Stop SYMBOL DESCRIPTION SYMBOL DESCRIPTION ISO Symbols Spinning Blade 48071S Parking Brake WARNING FALLING HAZARD USE ONLY SCAG .
3 Slow Fast Cutting element - Engage Cutting element - Basic symbol Cutting element - Disengage Continuously variable - Linear Read operator's manual Keep bystanders away Pinch Point 481039S SYMB.
4 SAFETY INFORMA TION CAUTION: WARNING: Section 2 2.1 INTRODUCTION Y our mower is only as safe as the operator . Carelessness or operator error may result in serious bodily injury or death.
5 Section 2 WARNING: -NOTE- WARNING: 12 . Equipment must comply with the latest requirements per ANSI J137 and/or ANSI S279 when driven on public roads. If the mower is driven on public r oads, it must comply with state and local or dinances as well as SAE J137 and/or ANSI / ASAE S279 requir ements.
6 Section 2 5. Before attempting to start the engine, with the operator in the seat, disengage power to the cutter deck, place the hopper in the stowed position, steering control levers in the neutral position and engage the parking brake.
7 Section 2 2.6 SAFETY AND INSTRUCTIONAL DECALS WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 481039.
8 Section 3 3.1 ENGINE General T ype .............................................................................. Heavy Duty Industrial/Commercial Gaso line Brands .....................................................................................
9 Section 3 3.8 PRODUCTIVITY The following chart will aid you in determining how many acres your Scag mower will cut per day . The chart is an estimate based on 8 hours per day cutting time at 4 MPH with an allowance for overlap and turns. Cutting Width: 42" 48" 52" Acres Per Day: 20 21 23 -NOTE- The machine will travel at 8.
10 Section 4 OPERA TING INSTRUCTIONS Do not attempt to operate this mower unless you have read this man ual. Learn the location and purpose of all controls and instruments bef ore you operate this mower . 4.1 CONTROLS AND INSTR UMENT IDENTIFICA TION Before operating the mower , familiarize yourself with all mower and engine controls.
11 Section 4 6 . Hour Meter (Figure 4-1). Indicates the number of hours the engine has been operated. It operates whenever the ignition switch key is in the ON position. It can be used to keep track of maintenance intervals and the amount of time required to perform various tasks.
12 Section 4 Never operate the mower with the interlock system disconnected or malfunctioning. Do not disengage or bypass any switch; injury to yourself and others or property damage could result. 4.3 INITIAL RUN-IN PROCEDURES (First Da y of Use or Appro ximately 10 Hour s) 1.
13 Section 4 In case of an emer gency , such as loss of control, stop the mower ’ s movement by quickly pulling the forwar d speed control lever to the neutral position. Forward T ra vel -NOTE- Use one hand on both steering levers as shown in Figur e 4-4 to minimize over contr ol.
14 Section 4 WARNING: SCR 2K POS Figure 4-6 Proper Operation on a Slope T o steer left while traveling in reverse, allow the left steering control lever to move forward. The further the control is allowed to move forward, the sharper the mower will turn left.
15 Section 4 Figure 4-7 Improper Operation on a Slope 4. Fill the fuel tank with fresh, clean fuel at the end of every day of operation. 5. Check the tire pressure.
16 Section 4 SCR 2K TGO Lock Pin and Latch Plate Figure 4-10 T ailgate Operation Figure 4-11 Raising The Hopper Never operate the grass catcher with the hopper back door open. Objects can be thrown out the spout of the hopper with a force that can cause injury to bystanders or property damage.
17 Section 4 RO T A TING BLO WER BLADES NEVER PUT Y OUR HANDS INT O THE BLO WER DIS- CHARGE CHUTE FOR ANY REASON! Shut off the engine and remove the key and only then use a stick or similar object to remove material if clogging has occurred. 1. If either blower discharge chute becomes clogged, shut off the engine and remove the ignition key .
18 Section 4 WARNING: 4.12 MO VING MO WER WITH ENGINE ST OPPED T o “free-wheel” or move the mower around without the engine running, place the dump valve handle in the FREE-WHEEL position (Figure 4-2, Page 1 1). Disengage the parking brake and move the mower by hand.
19 Section 4 4.15 TIL TING THE CUTTER DECK Figure 4-15 Deck Loc king Pin WARNING: Do not tilt the mower deck with the mower blades rotating. Shut off the engine and remove the ignition key . Bodily injury could occur from the r otating blades. The mower deck can be tilted up for trailering, blade replacement, etc.
Section 5 20 Stringers - Occasional Low engine RPM Run engine at full RPM Blades of Uncut Grass Ground speed too fast Slow speed to adjust for conditions Wet grass Cut grass after it has dried out Dul.
Section 5 21 Uneven Cut on Flat Lift worn from blade Replace blade Ground - Wavy High-Low Blade upside down Mount with cutting edge toward Appearance, ground Scalloped Cut, or Rough Contour Deck plugg.
Section 5 22 Scalping - Blades Low tire pressures Check and adjust pressures Hitting Dirt or Cutting Very Close to G round speed too fast Slow speed to adjust for conditions the Ground Cutting too low.
R Section 6 23 ADJUSTMENTS 6.1 P ARKING BRAKE ADJUSTMENT WARNING: Do not operate the mower if the parking brake is not operable. Possible severe injury could result. The parking brake linkage should be adjusted whenever the parking brake lever is placed in the “ENGAGE” position and the parking brake will not prevent the mower from moving.
R Section 6 24 6.2 TRA VEL ADJUSTMENTS Neutral or tracking adjustments will need to be made if: A . The speed control lever is in neutral and the machine creeps forward or backward. (Neutral Adjustment) B . The mower pulls to one side or the other when traveling in a forward direction.
R Section 6 25 5. Start the engine and disengage the parking brake. 6. Loosen jam nuts C and D (See Figure 6-5) on the right side. Slowly rotate the control rod until the right drive wheel starts to creep forward. When the wheel starts to creep forward, stop the movement and turn the control rod back until the wheel starts to creep in reverse.
R Section 6 26 S teering Handle Adjustment The steering handles should be positioned in line with each other for easy one-handed control. (See Figure 6-7). The handles can then be adjusted forward or backwards to accommodate the operator . 1. Shut off the mower ’ s engine and engage the parking brake.
R Section 6 27 6.6 CUTTER DECK ADJUSTMENTS The mower deck can be adjusted from a height of 1-1/2- inches to 5-inches at 1/2-inch intervals. T o adjust the cutting height: Do not adjust the cutting height with the cutter blades rotating. Shut the engine off and remove the key from the ignition.
28 Section 7 MAINTENANCE 7.1 MAINTENANCE CHART - RECOMMENDED SER VICE INTER V ALS HOURS Break-In 8 4 0 10 0 20 0 50 0 Procedure Comments (First 10) X Check all hardware for tightness X Check hydraulic oil level See paragraph 7.3 X Check all belts for tightness See paragraph 7.
Section 7 29 MAINTENANCE CHART - RECOMMENDED SER VICE INTER V ALS (CONT'D) HOURS Break-In 8 4 0 10 0 20 0 50 0 Procedure Comments (First 10) X Apply grease to fittings See paragraph 7.2 X Check hardware for tightness X Change engine oil filter See paragraph 7.
30 Section 7 + Comp atible Greases: Mobilix #2 found at Mobil Service Stations Ronex MP found at Exxon Service Stations Super Lube MEP #2 & Super Stay-M #2 found at Conoco Stations Shell Alvania #2 found at Shell Service S tations Lidok EP #2 fo und at industrial shops Figure 7.
Section 7 31 7.3 HYDRA ULIC SYSTEM A. Checking Hydraulic Oil Level The hydraulic oil level should be checked after the first 10 hours of operation. Thereafter , check the oil after every 200 hours of machine operation or monthly , whichever occurs first.
32 Section 7 T o av oid injur y from b urns, allo w the mower to cool before removing the fuel tank cap and refueling. Figure 7-3 Engine Fill Cap and Dip Stick B. Changing Engine Crankcase Oil After the first 5 hours of operation, change the engine crankcase oil and replace the oil filter .
Section 7 33 7.7 BA TTER Y A. Checking Electrolyte Level and Cleaning Battery After every 40 hours of operation or weekly , whichever occurs first, check the electrolyte level in the battery and clean the battery and connections. Dirt and fluid on the top of the battery can cause the battery to discharge.
34 Section 7 WARNING: B. Charging the Battery Refer to the battery charger’ s manual for specific instructions. Under normal conditions the engine’ s alternator will have no problem keeping a charge on the battery .
Section 7 35 Do not attempt to straighten a bent blade, and never weld a broken or cracked blade. Always replace it with a new blade to assure saf ety . 4. If a blade cutting edge is dull or nicked, it should be sharpened. Remove the blades for sharpening.
36 Section 7 The fluid level in the cutter deck gearbox should be checked after every 100 hours of operation or bi-weekly , whichever occurs first. 1. Remove the ignition key and engage the parking brake. 2. Lift the foot plate up to gain access to the gearbox.
Section 7 37 8. Using the caster wheel arm, lift the cutter deck frame assembly off the cutter deck and secure in place with the lock pin. 9. Clean and remove the check plug from the side of the gearbox and fill the gearbox with SAE 80W90 lubricant until fluid is level with the bottom of the plug port.
38 Section 7 B. Changing Lubricant The lubricant in the power unit gearbox should be changed after every 500 hours of operation or yearly , whichever occurs first. 1. Beneath the power unit is an access hole to the gearbox drain plug. Clean the area thoroughly and place a suitable container under the drain plug.
39 NOTES.
40 CUTTER DECKS B SCR 2K CD A A B 1 8 9 4 7 19 18 2 10 17 6 20 3 21 30 27 27 5 22 23 24 29 15 14 14 14 12 12 12 26 13 16 25 24 11 28 25 24 23 29 31 32 32 33 34 35 36 37 38 39 40 41 42 43 38 44 45 46 4.
41 Ref. Pa rt . No. Number Description 42 48 52 1 461365 Cutter Deck with Decals x 461330 Cutter Deck with Decals x 461371 Cutter Deck with Decals x 2 46631 Spindle Assembly x x x 3 482486 Gearbox, Cutter Deck x x x 4 481632 Wheel, Anti-Scalp x x x 5 43515 Pin, Front Deck Height Adjust.
42 CUTTER DECK SUPPORT COMPONENTS SCR 2001 CDSC 1 2 2 3 3 3 4 5 6 7 8 9 10 11 12 13 12 15 14 17 16 18 25 26 27 28 29 30 31 32 19 21 20 22 20 23 24 33 33 34 35.
43 Ref. Pa rt . No . Number Description 42 48 52 1 482078 Cover , Spring x x x 2 04001-52 Bolt, Hex Head 1/2-13 x 2.5" x x x 3 04019-06 Nut, 1/2-13 Serrated Flange x x x 4 481993 Spring, Cutter D.
44 SHEET MET AL SCR 2K SMC A B A B 1 C C 4 2 3 3 5 6 7 8 9 10 11 12 13 14 15 16 12 13 14 17 19 20 21 22 23 24 25 26 19 18 18 28 27 29 30 31 32 33 34 35 36 37 37 38 39 40 41 42 43 44 45 46 47 48 49 50 .
45 1 481559 Cap, Grease 2 04021-20 Nut, Elastic Jam 1.0-14 3 481657 Bearing, 1.0 Diameter 4 481025 Seal, 2.00 OD x 1.625 ID 5 04021-13 Nut, Elastic Stop 5/8-11 6 482028-01 Plug, 1/4-28 7 451187 Y oke, Wheel 8 04001-41 Bolt, Hex Head 5/8-11 x 9.5" 9 43 021 Spacer 10 482043 Wheel Assy , 16 x 6.
46 BLOWER ASSEMBL Y SCR 2K BLOWER A A 1 2 3 4 5 6 7 7 12 11 10 9 8 13 15 12 14 17 19 16 20 18 21 23 22 23 25 24 26 31 30 29 28 27 33 32 32 26 29 34 35 25 36 37 38 39 40 41.
47 1 451202 Blower Housing, Rear 2 422812 Blower Housing, Front 3 451116 Inlet 4 461321 Outlet 5 451201 F an 6 461326 Idler Arm, Weldment (includes #22) 7 481995 Spring 8 04050-15 Ring, Retaining 2.5 ext. 9 421665 W asher, Retainer 10 48100-12 Bushing, Oilite 2.
48 ENGINE AND A TT ACHING P ARTS SCR 2001 EAP P ART OF ENGINE P ART OF ENGINE 2 P ART OF ENGINE T o Deck Drive Shaft T o Engine T o Blower 1 4 3 P ART OF ENGINE A A 5 6 6 7 8 8 9 10 11 12 13 14 14 14 .
49 1 481967 Engine, 25 HP Kohler (Spec.PS-68650) 482271 Engine, 27 HP Kaw.(Spec. FD750D-AS04) 2 481946 Muffler 3 482081 Pipe, Exhaust 4 481947 Manifold, Exhaust, Kohler 481944 Manifold, Exhaust, Kawasaki 5 482329 Spring, Exhaust 6 04001-01 Bolt, Hex Head 1/4-20 x .
50 TRACTION DRIVE COMPONENTS SCR 2001 TD 1 2 3 4 5 5 6 7 8 10 9 11 12 12 13 14 15 9 16 9 17 17 17 18 19 20 21 22 23 24 25 26 17 27 29 30 28 8 7 6 31 T o Bac k of Engine Block 27 33 33 32 27 34 9 9.
51 -NOTE- 1 48551 Pump, Hydraulic 2 461015 Idler, Arm 3 481994 Spring, Idler 4 482135 Pulley, Idler 5 4822 4 Bearing, Idler Arm 6 04021-05 Nut, 3/8-16 Center Lock 7 43 212 Spacer 8 04019-04 Nut, 3/8-16 Serrated Flange 9 04043-04 Washer, Flat 3/8” 10 43 077 Spacer 11 04001-160 Bolt, 3/8-16 x 3.
52 HYDRAULIC PUMP 390S0167 11 4 9 11 2 12 10 6 8 13 7 18 5 14 15 16 17 19 20 21 22 1 29 23 24 30 25 26 28 27 3 Overhaul Seal Kit.
53 HYDRAULIC PUMP 1 HG 251 3017 Housing Kit (Includes Housing, Journal Bearing) 2 HG 251 3016 End Cap 3 HG 9004800-2506 Straight Headless Pin 4 HG 9007314-0810 Socket Head Screw 5/16-18x1.0 5 HG 2003067 End Cap Gasket 6 HG 2513027 Charge Pump Kit (Includes Charge Cover, Gerotor Assy.
54 CUTTER DECK DRIVE GEARBOX 2 5 1 7 6 3 1 7 4 2 2002 SCR CDDG.
55 CUTTER DECK DRIVE GEARBOX 1 482122 Shaft Assembly 2 482123 Shaft Assembly 3 481651 Seal, 1.00 ” x 1.50 ” x 3/16 ” 4 481652-01 Plug, 1/8 ” NPT Socket Head 5 481652-02 Plug, 1/4 ” NPT Socket Head 6 04015-16 Bolt, 5/16-18 x 1.25 ” 7 482225 End Cap Ref.
56 1 SCR 2K SSC 1 2 6 6 5 9 8 9 8 10 7 7 11 12 13 13 14 16 16 16 16 16 15 17 17 17 18 19 9 6 8 7 20 20 21 22 23 3 4 3 4 2 24 25 26 26 27 27 28 28 28 28 28 28 28 29 30 31 31 30 30 32 32 33 34 34 35 36 .
57 -NOTE- Some of the hardware is common hardware and you may purchase it locally. Be sure that all bolts purchased locally are a grade 5 unless otherwise noted. 1 48551 Pump, Hydraulic 2 422969 Leve r, Pum p 3 421203 Clamp, Pump Control 4 48829 Block, Pump Control 5 482177 Rod, Threaded 3/8-24 x 14.
58 P ARKING BRAKE MECHANISM SCR 2002 PBL 1 2 3 4 5 6 7 8 10 7 9 11 12 13 10 7 10 9 9 7 10 10 10 11 12 13 9 7 14 15 16 17 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 37 37 37 37 29 2.
59 1 461320 Lever, Parking Brake 2 482058 Grip, Parking Brake Lever 3 48544 Rod End, 3/8-24 LH 4 04020-17 Nut, 3/8-24 LH Thread 5 04004-39 Rod, 3/8-24 x 9.5" 6 04020-14 Nut , 3 /8 -2 4 RH Th re ad 7 48343-04 Clevis, 3/8-24 8 481990 Spring 9 04001-162 Bolt, Hex Head 3/8-24 x 8.
60 FUEL AND HYDRAULIC COMPONENTS SCR 2002 FHC T o Right Side Fuel T ank T o Engine 1 1 3 38 38 5 6 7 7 8 9 9 10 10 11 11A 12 13 35 35 15 15 15 15 16 16 17 18 19 2 21 22 23 23 24 24 25 26 4 4 27 27 27 .
61 Ref. Par t. No . Number Description 1 4881 1 Hose, 3/8 Pushlock 20" Long (order by the inch) 2 48811 Hose, 3/8 Pushlock 30" Long (order by the inch) 3 482277 T ee, Swivel 9/16-18 JIC 4 48.
62 KOHLER ELECTRICAL SYSTEM C C SCR 2001 EKH T O HOPPER HARNESS A A C B B 19 2 2 3 3 4 5 6 7 8 9 10 11 12 13 14 15 16 9 9 10 17 1 19 20 21 22 23 24 25 26 27 28 29 30 31 32 18 33 34 35.
63 Ref. Par t. No. Number Description 1 04040-15 Flatwasher, 5/16-.375 x .875 x .083 2 482318 Wire Harness, SCR 3 482319 Wire Harness, Hopper 4 48017-03 Lockwasher , Internal 5/8" 5 48017-04 Nut,.
64 KA W ASAKI ELECTRICAL SYSTEM C C SCR 2001 EKA T O HOPPER HARNESS A A C B B 19 2 2 3 3 4 5 6 7 8 9 10 11 12 13 14 15 16 9 9 10 17 1 19 20 21 22 23 24 25 26 27 28 29 30 31 32 18 33 34 35 36 37.
65 Ref. Par t. No. Number Description 1 04040-15 Flatwasher, 5/16-.375 x .875 x .083 2 482317 Wire Harness, SCR 3 482319 Wire Harness, Hopper 4 48017-03 Lockwasher , Internal 5/8" 5 48017-04 Nut,.
66 HOPPER SCR 2002 HC 1 A A To Frame 1 1 1 1 1 2 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 14 16 16 16 16 16 17 18 19 19 20 20 21 22 23 24 25 25 26 27 28 29 30 31 32 33 34 35 36 38 39 40 41 42 43 44 45 46 .
67 Ref. Par t. No. Number Description 1 04090-02 Pop Rivet, 3/16 x .652 2 451 193 Guide Weldment, Screen 3 04001-08 Bolt, Hex Head 5/16-18 x 3/4" 4 481092-01 Plastic Knob, 5/16-18 5 451 191 Screen Weldment 6 451289 Stop Weldment, Screen 7 461474 Hopper Assembly (Incl.
68 HOPPER ACTUA T OR MECHANISM 1 2 3 4 5 6 7 8 9 10 11 12 11 13 10 9 7 8 13 14 15 16 17 18 19 18 15 27 7 20 8 26 25 5 29 24 24 26 25 23 28 SCR 2002 HA 30 31.
69 Ref. Par t. No. Number Description 1 481254 Motor , Actuator 2 04015-05 Capscrew , Socket Head, #10-32 x 1/2" 3 04031-01 Washer , External 4 481285 Cap, Plastic 5 04021-01 Hex Locknut, Elastic Stop, #10-32 6 481291 Lever , Actuator 7 04021-10 Hex Locknut, Elastic Stop, 5/16-18 8 482072 Rod End, 5/16-24 R.
70 REPLACEMENT DECALS AND INFORMA TION PLA TES 12 3 4 7 8 5 SCR 2K RD1 WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 481039 9 482167 START / DRIVE PROCEDURE ENGAGE PA.
71 REPLACEMENT DECALS AND INFORMA TION PLA TES 1 482285 Decal, Danger-Spining Blades 2 482286 Decal, Warning-Rotating Blades 3 48656 Decal, Patents 4 482182 Decal, Blade Bolts LH Thread 5 482080 Decal.
72 KOHLER ELECTRICAL SCHEMA TIC BLUE/WHITE.
LIMITED W ARRANTY - COMMERCIAL EQUIPMENT Any part of the Scag commercial mower manufactured by Scag Power Equipment and found, in the reasonable judgment of Scag, to be defective in materials or workmanship, will be repaired or replaced by an Authorized Scag Service Dealer without char ge for parts and labor .
P ART NO. 03103 PRINTED 3/02 PRINTED IN USA © 2002 SCAG POWER EQUIPMENT DIVISION OF MET ALCRAFT OF MA YVILLE, INC..
73 KA W ASAKI ELECTRICAL SCHEMA TIC S I G WATER TEMP CARB FUEL PUMP WHITE/BLACK WHITE/BLACK BLUE/WHITE.
An important point after buying a device MB QUART SCR (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought MB QUART SCR 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 MB QUART SCR - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, MB QUART SCR you will learn all the available features of the product, as well as information on its operation. The information that you get MB QUART SCR will certainly help you make a decision on the purchase.
If you already are a holder of MB QUART SCR, 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 MB QUART SCR.
However, one of the most important roles played by the user manual is to help in solving problems with MB QUART SCR. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device MB QUART SCR 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
