Instruction/ maintenance manual of the product SCAG SCR Scag Power Equipment
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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 .
I TABLE OF CONTENTS SUBJECT PAGE Section 1 - General Information 1.1 Introduction ........................................................................................................................... 1 1.2 Directional Reference .................
II TABLE OF CONTENTS (CONT'D) SUBJECT PAGE Section 6 - Adjustments 6. 1 Parking Brake Adjustment .................................................................................................... 21 6. 2 T ravel Adjustments ....................
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 ef ficiency of your mower depends on you following the operating, maintenance and adjustment instructions in this manual.
2 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.
3 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 r equir ements.
4 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.
5 Section 2 2.6 SAFETY AND INSTRUCTIONAL DECALS DANGER SPINNING BLADE KEEP CLEAR CONTACT CAN INJURE 48071 WARNING INSTALL BELT COVER BEFORE OPERATING MACHINE READ OPERATOR'S MANUAL 481039 ROTATIN.
6 Section 3 3.1 ENGINE General T y pe .............................................................................. Heavy Duty Industrial/Commercial Gaso line Brand .....................................................................................
7 Section 3 3.3 TRACTOR (CONT'D) Travel Speed: Forward ................................................................................. 0 - 8.5 MP H Reverse .................................................................................. 0 - 5.
8 Section 4 OPERA TING INSTRUCTIONS 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 mower . 4.1 CONTROLS AND INSTRUMENT IDENTIFICA TION Before operating the mower, familiarize yourself with all mower and engine controls.
9 Section 4 5 . Ammeter (Figure 4-1). Indicates the condition of the charging system. When the engine is running the needle should be at the positive end of the meter . If the needle is on the negative end of the meter , this indicates a discharge condition and the machine should be taken in for service.
10 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 Day of Use or Approximately 10 Hours) 1.
11 Section 4 In case of an emer gency , such as loss of contr ol, stop the mower s movement by quickly pulling the forwar d speed control lever to the neutral position. Forward T ravel -NOTE- Use one hand on both steering levers as shown in Figur e 4-4 to minimize overcontr ol.
12 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.
13 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.
14 Section 4 SCR 2K TGO Lock Pin and Latch Plate Figure 4-10 T ailgate Operation Figure 4-1 1 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.
15 Section 4 E . Release the latch holding the tailgate and then lower the tailgate. Side Discharge Operation The side discharge deck can throw objects with great force. Do not stand in front of discharge chute when the cutter deck is engaged. Keep bystanders clear from the area while mowing.
16 Section 4 WARNING: 4.12 MOVING MOWER WITH ENGINE STOPPED 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). Disengage the parking brake and move the mower by hand.
17 Section 4 4.15 TIL TING THE CUTTER DECK Figure 4-15 Deck Locking 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 rotating blades. The mower deck can be tilted up for trailering, blade replacement, etc.
Section 5 18 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 19 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 20 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 21 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 22 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 23 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 24 Steering Handle Adjustment The steering handles should be positioned in line with each other for easy one-handed control. The handles can then be adjusted forward or backwards to accommodate the operator .
R Section 6 25 1. Shut off the mower s engine and engage the parking brake. 2. Loosen the two bolts for each steering handle and pivot the handles forward or back as desired. 3. Keep the handles aligned and tighten the bolts. 4. Maintain gap between steering handles.
26 Section 7 MAINTENANCE 7.1 MAINTENANCE CHART - RECOMMENDED SERVICE INTER V ALS HOURS Break-In 8 4 0 10 0 2 00 5 00 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 27 MAINTENANCE CHART - RECOMMENDED SERVICE INTER V ALS (CONT'D) HOURS Break-In 8 4 0 10 0 2 00 5 00 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.
28 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 Stations Lidok EP #2 fo und at industrial shops Figure 7.
Section 7 29 7.3 HYDRAULIC 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.
30 Section 7 T o avoid injury from burns, allow 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 31 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.
32 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 33 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 safety . 4. If a blade cutting edge is dull or nicked, it should be sharpened. Remove the blades for sharpening.
34 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 35 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.
36 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.
37 NOTES.
38 CUTTER DECK 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 47.
39 Ref. Part. No. Number Description 1 461330 Cutter Deck with Decals 2 46631 Spindle Assembly 3 481516 Gearbox, Cutter Deck Spindle Drive 4 481632 Wheel, Anti-Scalp 5 43515 Pin, Front Deck Height Adj.
40 CUTTER DECK SUPPORT COMPONENTS SCR 2K CDF 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.
41 Ref. Part. No . Number Description 1 482078 Cover , Spring 2 04001-52 Bolt, Hex Head 1/2-13 x 2.5" 3 04019-06 Nut, 1/2-13 Serrated Flange 4 481993 Spring, Cutter Deck LIft 5 04021-09 Nut, 3/8-.
42 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 .
43 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 43021 Spacer 10 482043 Wheel Assy , 16 x 6.
44 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.
45 1 451202 Blower Housing, Rear 2 422812 Blower Housing, Front 3 451116 Inlet 4 451203 Outlet 5 451201 F an 6 451200 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.
46 ENGINE AND A TT ACHING P ARTS SCR 2K 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 5 3 6 7 9 10 11 12 13 16 15 17 18 19 22 21 23 19 20 21 8 24.
47 1 481967 Engine, 25 HP Kohler (Spec. No. PS-68650) 2 481946 Muffler 3 482081 Pipe, Exhaust 4 481947 Manifold, Exhaust 5 482203 Clutch, PTO 6 423005 Bracket, Oil Cooler 7 423006 Guard, OIl Cooler 8 481994 Spring, Gearbox Idler 9 48058 Hose, Fuel 1/4" ID (order by the inch) 10 481788 Pulley , 5.
48 SCR 2K 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 TRACTION DRIVE COMPONENTS.
49 -NOTE- 1 48551 Pump, Hydraulic 2 481756 Idler, Arm 3 481994 Spring, Idler 4 482135 Pulley, Idler 5 48224 Bearing, Idler Arm 6 04021-05 Nut, 3/8-16 Center Lock 7 43212 Spacer 8 04019-04 Nut, 3/8-16 Serrated Flange 9 04043-04 Washer, Flat 3/8” 10 43077 Spacer 11 04001-160 Bolt, 3/8-16 x 3.
50 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.
51 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 HG 2003067 End Cap Gasket 6 HG 2513027 Charge Pump Kit (Includes Charge Cover, Gerotor Assy.
52 CUTTER DECK DRIVE GEARBOX 2 5 1 7 6 3 1 8 7 4 2 9.
53 CUTTER DECK DRIVE GEARBOX 1 482122 Shaft Assembly 2 482123 Shaft Assembly 3 482120 Case Half 4 482121 Case Half 5 481651 Seal, 1.00” x 1.50” x 3/16” 6 481652-01 Plug, 1/8” NPT Socket Head 7 481652-02 Plug, 1/4” NPT Socket Head 8 04015-16 Bolt, 5/16-18 x 1.
54 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 .
55 -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 Lever, Pump 3 421203 Clamp, Pump Control 4 48829 Block, Pump Control 5 482177 Rod, Threaded 3/8-24 x 14.
56 SCR 2K 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 29 40 40 40 38 13 13 39 41 4.
57 -NOTE- 1 451261 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, 3/8-24 RH Thread 7 48343-04 Clevis, 3/8-24 8 481990 Spring 9 04001-162 Bolt, Hex Head 3/8-24 x 8.
58 FUEL AND HYDRAULIC COMPONENTS SCR 2K FHC T o Right Side Fuel T ank T o Engine 1 1 2 2 2 2 3 38 38 5 6 7 7 7 8 9 9 10 10 11 11A 12 13 39 39 15 15 15 15 16 16 17 18 19 40 21 22 23 23 24 24 25 26 4 4 .
59 Ref. Part. No. Number Description 1 4881 1 Hose, 3/8 Pushlock 20" Long (order by the inch) 2 48353-06 Coupling, 3/8 Hose x 9/16-18 Thread 3 481384-02 T ee, Swivel 9/16-18 JIC 4 481960 Hose Ass.
60 ELECTRICAL SYSTEM C C SCR 2K EKH T O HOPPER HARNESS A A C B B 1 2 2 3 3 4 5 6 7 8 9 10 11 12 13 14 15 16 9 9 10 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34.
61 Ref. Part. No. Number Description 1 481474 Switch, Hopper 2 482029 Wire Harness, SCR 3 482030 Wire Harness, Hopper 4 48017-03 Lockwasher , Internal 5/8" 5 48017-04 Nut, 5/8-32 Special 6 48017-.
62 HOPPER SCR 2K 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 46.
63 Ref. Part. 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.
64 HOPPER ACTUA TOR 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 2k HA.
65 Ref. Part. No. Number Description 1 481254 Motor , Actuator 2 04015-05 Capscrew , Socket Head, #10-32 x 1/2" 3 04031-01 W asher , 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.
66 REPLACEMENT DECALS AND INFORMA TION PLA TES 12 3 4 7 8 5 ROTATING BLADES AND BELTS WARNING KEEP HANDS, FEET & CLOTHING CLEAR KEEP ALL GUARDS IN PLACE SHUT OFF ENGINE & DISENGAGE BLADE CLUTC.
67 REPLACEMENT DECALS AND INFORMA TION PLA TES 1 48071 Decal, Danger-Spining Blades 2 481040 Decal, Warning-Rotating Blades 3 48656 Decal, Patents 4 482182 Decal, Blade Bolts LH Thread 5 482080 Decal,.
68 ELECTRICAL SCHEMA TIC SEA T SWITCH + - INSTRUMENT P ANEL HOURMETER MO WER ENGA GE SWITCH KEY SWITCH AMMETER ELECTRIC CLUTCH BRAKE INTERLOCK SWITCH B A TTER Y RELA Y GROUND SOLENOID ST ARTER ENGINE .
69 NOTES.
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. 03080 PRINTED 12/99 PRINTED IN USA © 1999 SCAG POWER EQUIPMENT DIVISION OF MET ALCRAFT OF MA YVILLE, INC..
An important point after buying a device Scag Power Equipment SCAG 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 Scag Power Equipment SCAG 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 Scag Power Equipment SCAG SCR - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Scag Power Equipment SCAG SCR 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 SCAG SCR will certainly help you make a decision on the purchase.
If you already are a holder of Scag Power Equipment SCAG 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 Scag Power Equipment SCAG SCR.
However, one of the most important roles played by the user manual is to help in solving problems with Scag Power Equipment SCAG SCR. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Scag Power Equipment SCAG 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
