Tennant SweepSmart S20 ELECTRIC Service Information Manual Download

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S20 Service Information

S20 9006724 (11--09)

SYMBOL DEFINITIONS

These symbols identify controls, displays, and

features on the machine.

Filter shaker

Thermo--Sentry

Vacuum fan on

Clogged dust filter

Vacuum fan off

Hopper door closed (light)

Fast engine speed

Clogged hydraulic filter

Idle engine speed

LPG fuel level low

Hopper down

Hourmeter

Hopper up

Steering wheel tilt

Hopper door open

Off

Hopper door close (lever)

Main brush down and on

Start

Main brush up and off

Horn

Battery charging system

Operating lights

Engine oil pressure

Hazard light

Summary of Contents for SweepSmart S20 ELECTRIC

Page 1: ...S20 www tennantco com North America International SweepSmartt System ShakeMaxt 360 Gas LPG Diesel Sweeper Service Information Manual 9006724 9006724 Rev 00 11 2009 ...

Page 2: ......

Page 3: ...ble 3 5 82556 000000 001039 Bracket Vaporizer 1 6 54930 000000 Vaporizer LPG 1 C D A B FOR REPLACEMENT PARTS Identify machine model and serial number 1 A Identify the machine model 2 B Identify the machine serial number from the data plate Refer to the TENNANT Parts Manual NOTE Only use TENNANT Company supplied or equivalent parts Parts and supplies may be ordered online by phone by fax or by mail...

Page 4: ...n environmentally safe way according to local waste disposal regulations Always remember to recycle Tennant Company PO Box 1452 Minneapolis MN 55440 Phone 800 553 8033 or 763 513 2850 www tennantco com Thermo Sentry 1 STEP EasyOpen MaxPro InstantAccess II Speed Perma Filter Duramer Lower Total Cost of Ownership Touch N Go and Cab Forward ErgoSpace are US registered and unregistered trademarks of T...

Page 5: ...IG 7 DIESEL 22 WIRE HARNESSES GROUP FIG 13 GAS LP 28 WIRE HARNESSES GROUP FIG 17 DIESEL 32 KEY SWITCH INFORMATION GAS LPG ONLY 36 KEY SWITCH INFORMATION DIESEL ONLY 37 KEY OFF POWER DISTRIBUTION GAS LP ONLY 38 KEY ON ENGINE OFF POWER DISTRIBUTION GAS LPG ONLY 39 KEY ON ENGINE RUNNING POWER DISTRIBUTION GAS LPG ONLY 40 KEY OFF POWER DISTRIBUTION DIESEL ONLY 41 KEY ON ENGINE OFF POWER DISTRIBUTION D...

Page 6: ...AL LEFT SIDE BRUSH 60 SIDE BRUSH ES DOES NOT TURN ON 61 SIDE BRUSH ES DOES NOT TURN OFF 62 HOPPER DOOR OPEN 63 HOPPER DOOR DOES NOT OPEN 64 HOPPER DOOR CLOSE 65 HOPPER DOOR DOES NOT CLOSE 66 HOPPER DOOR DOES NOT STAY CLOSED 67 HOPPER LIFT 68 HOPPER DOES NOT RAISE 69 HOPPER DOES NOT STAY IN RAISED POSITION 70 HOPPER LOWER 71 HOPPER DOES NOT LOWER 72 STEERING SYSTEM RIGHT TURN 73 STEERING SYSTEM LEF...

Page 7: ... Do not operate vacuum wand while driving Vacuum wand option only FOR SAFETY 1 Do not operate machine Unless trained and authorized Unless operator manual is read and understood If it is not in proper operating condition In flammable or explosive areas In areas with possible falling objects unless equipped with overhead guard 2 Before starting machine Check for fuel oil and liquid leaks Keep spark...

Page 8: ... contact with hot engine coolant Do not remove cap from radiator when engine is hot Allow engine to cool Keep flames and sparks away from fuel system service area Keep area well ventilated Use cardboard to locate leaking hydraulic fluid under pressure Use Tennant supplied or approved replacement parts 7 When loading unloading machine onto off truck or trailer Turn off machine Use truck or trailer ...

Page 9: ...ted If any label becomes damaged or illegible install a new label in its place EMISSIONS LABEL Located on the side of the operator compartment HOPPER LIFT ARMS LABEL Located on both hopper lift arms FAN AND BELT LABEL Located on engine belt guard 354902 HEARING PROTECTION LABEL Located only on machines with cab option ...

Page 10: ...ocated on the exhaust shield RAISED HOPPER LABEL Located on the hopper lift arm FOR SAFETY LABEL Located on the side of the operator compartment RAISED HOPPER LABEL Located on the hopper support bar VACUUM WAND LABEL Located on the optional vacuum wand 354902 ...

Page 11: ...anual Always Disconnect Battery Negative terminal 1st when removing or replacing components DURING TESTS Call Technical Services if Diagnostic Time Exceeds One Hour With Unknown Cause or Course of Action NOTE Troubleshooting charts may be shown with optional equipment The optional equipment may not be specified in these charts Some machines may not be equipped with all components shown ...

Page 12: ... mm 2 to 3 in Hopper weight capacity polyethylene hopper 340 kg 750 lb Hopper weight capacity optional steel hopper 318 kg 700 lb Hopper volume capacity polyethylene hopper 310 L 11 ft3 Hopper volume capacityv optional steel hopper 319 L 11 25 ft3 Dust filter area 7 4 m2 80 ft2 Minimum ceiling dump height 2490 mm 98 in Weight empty 1110 kg 2450 lb GVWR Gross Vehicle Weight Rating 1674 kg 3690 lb O...

Page 13: ... 0 0064 in intake and exhaust 10W30 SAE SJ SL 3 4L 3 6 qts POWER TYPE Engine Type Ignition Cycle Aspiration Cylinders Bore Stroke Kubota D1005 Piston Diesel 4 Natural 3 76 mm 2 99 in 73 6 mm 2 90 in Displacement Net power governed Net power maximum 1001 cc 61 08 cu in 14 kw 18 7 hp 2500 rpm 19 4 kw 26 hp 3600 rpm Fuel Cooling system Electrical system Diesel Fuel tank 27 6 L 7 3 gal Water ethylene ...

Page 14: ...pe Operation Service brakes Mechanical drum brakes 2 one per front wheel rod actuated Parking brake Utilize service brakes rod actuated TIRES Location Type Size Pressure Front 2 Solid 89 x 410 mm 3 5 X 16 in Rear 1 Pnuematic 150 x 410 mm 6 X 16 in 795 kPa 115 psi ...

Page 15: ...S20 Service Information 5 S20 9006724 11 09 MACHINE DIMENSIONS TOP VIEW SIDE VIEW 2090 mm 82 3 in 1230 mm 48 5 in 2085 mm 82 1 in FRONT VIEW 1260 mm 49 5 in 354901 ...

Page 16: ...006724 11 09 6 COMPONENT LOCATOR 6 Fuel Pump gas 4 LP filter in lockoff 5 6 3 1 1 Fuse relay panel 2 Steering Valve 3 Low Fuel Pressure Switch LPG 4 Steering Cylinder 5 Fuel Filter 2 3 3 5 6 Gas Front Front Front Front Front Front ...

Page 17: ...r diesel 7 Fuel Pump diesel 8 Tow By Pass 1 1 Fuel Sending Unit 2 Brake light switch 3 Hydraulic Solenoid Control Valve 4 Propel System Hydraulic Pump 5 Accessory Hyraulic Pumps 22 3 2 Located under operator com partment floor panel 4 6 3 7 1 Front Front Front Front Front 8 5 ...

Page 18: ...on Clogged dust filter Vacuum fan off Hopper door closed light Fast engine speed Clogged hydraulic filter Idle engine speed LPG fuel level low Hopper down Hourmeter Hopper up Steering wheel tilt Hopper door open Off Hopper door close lever On Main brush down and on Start Main brush up and off Horn Battery charging system Operating lights Engine oil pressure Hazard light ...

Page 19: ...ater temperature Engine choke Gasoline Only Side brush up and off Side brush pressure Side brush down and on Parking brake Brush pressure Decrease Brush pressure Increase Turn clockwise Turn counterclockwise Unleaded fuel only Glow plugs Diesel fuel only ...

Page 20: ...S20 Service Information S20 9006724 11 09 10 FOR OPERATOR AND MAINTENANCE CHARTS REFER TO OPERATORS MANUAL ...

Page 21: ...ys disconnect Battery Negative terminal 1st when removing or replacing electrical components DURING TESTS Call Technical Services if Diagnostic Time Exceeds One Hour With Unknown Cause or Course of Action NOTE Troubleshooting charts may be shown with optional equipment The optional equipment may not be specified in these charts Some machines may not be equipped with all components shown ...

Page 22: ...ing or servicing machine stop on level surface set parking brake and turn off machine 1 Unlatch and open the hopper cover Support the hopper cover open with the hopper cover prop rod 2 Remove the dust filter cover NOTE Do not operate filter shaker or raise hopper with dust filter cover removed Shaker motor damage can occur 3 Remove the dust filter from the hopper 4 Clean or discard the dust filter...

Page 23: ...r cover installed FILTER SEAL HEIGHT ADJUSTMENT Safety Note Cyclone filter box assembly is heavy assistance recommended for removal Remove filter box assembly from hopper With cyclone cover in place and latched mark seal height measurement at 4 places RF LF RR and LR areas of filter box 4 M10 screw locations for shaker mounting tray are shown below Loosen shaker tray mounting bolts and adjust tray...

Page 24: ...this manual Always disconnect Battery Negative terminal 1st when removing or replacing components DURING TESTS Call Technical Services if Diagnostic Time Exceeds One Hour With Unknown Cause or Course of Action NOTE Troubleshooting charts may be shown with optional equipment The optional equipment may not be specified in these charts Some machines may not be equipped with all components shown ...

Page 25: ... ACTIVE WIRE WIRE NUMBER COLOR SOLENOID VALVE CLOSED PRESSURE SWITCH LAMP LIMIT SWITCH CHASSIS GROUND CONNECTION TO OR FROM ANOTHER POINT SENDING UNIT FUSE WARNING DIODE LED LIGHT EMITTING DIODE HORN OR ALARM LEVER ACTUATED SWITCH ABBREVIATIONS A Amps ACT Actuator B Battery Positive CKT Circuit D Diode F Fuse GND Ground LP Lamp M Relay Coil MTR Motor NC Normally Closed NO Normally Open PM Permanen...

Page 26: ...S20 Service Infomation 16 S20 9006724 11 09 ELECTRICAL SCHEMATIC FIG 1 GAS LP 1 2 3 4 5 354985 ...

Page 27: ...S20 Service Infomation 17 S20 9006724 11 09 ELECTRICAL SCHEMATIC FIG 2 GAS LP 1 2 3 4 5 354985 ...

Page 28: ...S20 Service Infomation 18 S20 9006724 11 09 ELECTRICAL SCHEMATIC FIG 3 GAS LP 6 7 8 9 10 354985 ...

Page 29: ...S20 Service Infomation 19 S20 9006724 11 09 ELECTRICAL SCHEMATIC FIG 4 GAS LP 6 7 8 9 10 354985 ...

Page 30: ...S20 Service Infomation 20 S20 9006724 11 09 ELECTRICAL SCHEMATIC FIG 5 GAS LP 11 12 13 14 15 16 354985 ...

Page 31: ...S20 Service Infomation 21 S20 9006724 11 09 ELECTRICAL SCHEMATIC FIG 6 GAS LP 11 12 13 14 15 16 354985 ...

Page 32: ...S20 Service Infomation 22 S20 9006724 11 09 ELECTRICAL SCHEMATIC FIG 7 DIESEL 1 2 3 1048609 354986 ...

Page 33: ...S20 Service Infomation 23 S20 9006724 11 09 ELECTRICAL SCHEMATIC FIG 8 DIESEL 1 2 3 1048609 354986 ...

Page 34: ...S20 Service Infomation 24 S20 9006724 11 09 ELECTRICAL SCHEMATIC FIG 9 DIESEL 1048609 354986 ...

Page 35: ...S20 Service Infomation 25 S20 9006724 11 09 ELECTRICAL SCHEMATIC FIG 10 DIESEL 1048609 354986 ...

Page 36: ...S20 Service Infomation 26 S20 9006724 11 09 ELECTRICAL SCHEMATIC FIG 11 DIESEL 4 5 6 7 8 1048609 354986 ...

Page 37: ...S20 Service Infomation 27 S20 9006724 11 09 ELECTRICAL SCHEMATIC FIG 12 DIESEL 4 5 6 7 8 1048609 354986 ...

Page 38: ...S20 Service Infomation 28 S20 9006724 11 09 WIRE HARNESSES GROUP FIG 13 GAS LP 354981 ...

Page 39: ...S20 Service Infomation 29 S20 9006724 11 09 WIRE HARNESSES GROUP FIG 14 GAS LP 354981 ...

Page 40: ...S20 Service Infomation 30 S20 9006724 11 09 WIRE HARNESSES GROUP FIG 15 GAS LP 354981 ...

Page 41: ...S20 Service Infomation 31 S20 9006724 11 09 WIRE HARNESSES GROUP FIG 16 GAS LP 354981 ...

Page 42: ...S20 Service Infomation 32 S20 9006724 11 09 WIRE HARNESSES GROUP FIG 17 DIESEL 354982 D ...

Page 43: ...S20 Service Infomation 33 S20 9006724 11 09 WIRE HARNESSES GROUP FIG 18 DIESEL 354982 D ...

Page 44: ...S20 Service Infomation 34 S20 9006724 11 09 WIRE HARNESSES GROUP FIG 19 DIESEL 354982 D ...

Page 45: ...S20 Service Infomation 35 S20 9006724 11 09 WIRE HARNESSES GROUP FIG 20 DIESEL 354982 D ...

Page 46: ...CH Spring loaded Returns to RUN unless held START OFF RUN 50 83 15 75 Key Switch pin terminal Key Switch position Indicates a common connection i Common connections in various switch positions should be less than 0 2 vdc per connection under load OFF RUN START KEY SWITCH OFF RUN START KEY SWITCH 30 50 83 15 75 30 50 83 15 75 30 50 83 15 75 30 ...

Page 47: ...g 30 17 19 50 Key Switch pin terminal Key Switch position Indicates a common connection i Common connections in various switch positions should be less than 0 2 vdc per connection under load 30 17 19 50 AC RUN Position OFF Position OFF RUN GLOW PLUG START KEY SWITCH OFF RUN GLOW PLUG START KEY SWITCH OFF RUN GLOW PLUG START KEY SWITCH Returns to OFF unless held 30 17 19 50 AC 30 17 19 50 AC 30 17 ...

Page 48: ... GRY 18 GRY 22 BRN 35 GRN 17 PUR 17 PUR 16 BLU 16 BLU 16 BLU 24 YEL 13 BLK 13 BLK 13 BLK 13 BLK ENGINE IGNITION CONTROL MODULE 18 GRY 27 PUR SW1 HORN SWITCH L1 L4 L2 LOW OIL PRESSURE LAMP L3 ENGINE TEMP LAMP L9 PARK BRAKE LAMP LOW FUEL LAMP LPG ONLY IGNITION SWITCH 13 BLK 15 GRN HOUR METER SV3A ALT SV3B UPPER CARB VALVE LPG LOWER CARB VALVE GAS SV4 FUEL PUMP GAS ONLY SW3 OIL PRESSURE SWITCH SW4A S...

Page 49: ...RY 18 GRY 18 GRY 22 BRN 35 GRN 17 PUR 17 PUR 16 BLU 13 BLK 13 BLK 13 BLK 13 BLK ENGINE IGNITION CONTROL MODULE 18 GRY 27 PUR SW1 HORN SWITCH L1 L4 L2 LOW OIL PRESSURE LAMP L3 ENGINE TEMP LAMP L9 PARK BRAKE LAMP LOW FUEL LAMP LPG ONLY IGNITION SWITCH 13 BLK 15 GRN HOUR METER SV3A ALT SV3B UPPER CARB VALVE LPG LOWER CARB VALVE GAS SV4 FUEL PUMP GAS ONLY SW3 OIL PRESSURE SWITCH SW4A SEAT SWITCH S8 D2...

Page 50: ... BLK 18 GRY 18 GRY 18 GRY 18 GRY 18 GRY 22 BRN 35 GRN 17 PUR 17 PUR 13 BLK 13 BLK 13 BLK 13 BLK ENGINE IGNITION CONTROL MODULE 18 GRY 27 PUR SW1 HORN SWITCH L1 L4 L2 LOW OIL PRESSURE LAMP L3 ENGINE TEMP LAMP L9 PARK BRAKE LAMP LOW FUEL LAMP LPG ONLY IGNITION SWITCH 13 BLK 15 GRN HOUR METER SV3A ALT UPPER CARB VALVE LPG LOWER CARB VALVE GAS FUEL PUMP GAS ONLY SW3 OIL PRESSURE SWITCH SW4A SEAT SWITC...

Page 51: ... BLK 13 BLK SW1 HORN SWITCH L1 L4 LOW OIL PRESSURE LAMP L3 ENGINE TEMP LAMP L9 PARK BRAKE LAMP IGNITION SWITCH G1 B HOUR METER ALT SV4 FUEL PUMP SW3 OIL PRESSURE SWITCH SW4A SEAT SWITCH S8 D2 D3 PARK BRAKE SWITCH SW19 SW5 HIGH ENGINE TEMP SWITCH CLOSES AT 112_C 235_F S G FUEL GAUGE S1 FUEL LEVEL SENDER 0Ω EMPTY 90Ω FULL OPENS AT 0 5 BAR 7 PSI i TIMER TMR4 PROVIDES A TWO SECOND DELAY TO SHUT OFF EN...

Page 52: ...U 16 BLU 16 BLU 13 BLK 13 BLK SW1 HORN SWITCH L1 L4 LOW OIL PRESSURE LAMP L3 ENGINE TEMP LAMP L9 PARK BRAKE LAMP IGNITION SWITCH HOUR METER ALT SV4 FUEL PUMP SW3 OIL PRESSURE SWITCH SW4A SEAT SWITCH S8 D2 D3 SW5 HIGH ENGINE TEMP SWITCH CLOSES AT 112_C 235_F FUEL GAUGE S1 FUEL LEVEL SENDER 0Ω EMPTY 90Ω FULL OPENS AT 0 5 BAR 7 PSI i TIMER TMR4 PROVIDES A TWO SECOND DELAY TO SHUT OFF ENGINE IF SEAT S...

Page 53: ...U 16 BLU 16 BLU 13 BLK 13 BLK SW1 HORN SWITCH L1 L4 LOW OIL PRESSURE LAMP L3 ENGINE TEMP LAMP L9 PARK BRAKE LAMP IGNITION SWITCH HOUR METER ALT SV4 FUEL PUMP SW3 OIL PRESSURE SWITCH D2 D3 SW5 HIGH ENGINE TEMP SWITCH CLOSES AT 112_C 235_F FUEL GAUGE S1 FUEL LEVEL SENDER 0Ω EMPTY 90Ω FULL OPENS AT 0 5 BAR 7 PSI i TIMER TMR4 PROVIDES A TWO SECOND DELAY TO SHUT OFF ENGINE IF SEAT SWITCH PARK BRAKE SWI...

Page 54: ... 4 YEL D4 D5 BATTERY NEGATIVE MAIN BRUSH SV2 RIGHT SIDE ON VALVE BRUSH 13 BLK 13 BLK 31 PNK FUSE 3 20A 60 TAN 60 TAN 60 TAN 61 PNK POSITION HOPPER SWITCH Hopper Lowered NOTE Switch closes only when in the fully lowered position LEVER SWITCH MAIN BRUSH Brush Lowered LEVER SWITCH SIDE BRUSH Brush Lowered SW16A SW17A SW18A ON VALVE ...

Page 55: ...TAN 60 TAN 61 PNK POSITION HOPPER SWITCH Hopper Lowered LEVER SWITCH MAIN BRUSH Brush Lowered LEVER SWITCH SIDE BRUSH Brush Lowered SW16A SW17A SW18A VALVE 13 BLK 61 PNK TMR3 SIDE BRUSHES DELAY TIMER GND INIT 6 3 1 B 61 PNK D6 SV2 RIGHT LEFT SIDE BRUSHES ON VALVE 13 BLK COM NO 9 11 4 YEL 4 YEL 4 YEL 40 TAN 40 TAN i TIMER TMR3 KEEPS BOTH SIDE BRUSHES SPINNING FOR SIX SECONDS AFTER BEING RAISED i HO...

Page 56: ...ATIVE 13 BLK FUSE 3 20A 32 BRN SWITCH SW22 4 YEL MTR2 SHAKER MOTOR ESD GROUND STRAP ESD GROUND AT SHAKER BOX L5 CLOGGED DUST FILTER LAMP SW7A CLOGGED DUST FILTER SWITCH i CLOGGED DUST FILTER SWITCH SW7A CLOSES AT 330 mm 13 IN OF WATER LIFT DIFFERENTIAL VACUUM PRESSURE 4 YEL 54 YEL 13 BLK 54 YEL LS3 CLOGGED DUST FILTER ALARM 54 YEL 4 YEL FILTER SHAKER ...

Page 57: ...TS SWITCHED B FROM IGNITION SWITCH SW3 20 TAN 4 YEL BATTERY NEGATIVE 13 BLK FUSE 3 20A 26 BLU S14 4 YEL L8 CLOGGED HYDRAULIC FILTER LAMP SW12A i CLOGGED HYDRAULIC FILTER SWITCH SW12A CLOSES AT 2 75 BAR 40 PSI 4 YEL 53 ORG L6 HOPPER DOOR CLOSED LAMP HOPPER DOOR CLOSED SWITCH CLOGGED HYDRAULIC FILTER SWITCH ...

Page 58: ...SWITCH SW3 20 TAN BATTERY NEGATIVE 13 BLK FUSE 1 15A 7 PUR i THERMO SENTRY SWITCH SW3 OPENS AT 71_C 160_F 7 PUR R2A THERMO SENTRY CONTROL RELAY 8 GRY 13 BLK 108 GRY 108 GRY 7 PUR R2B THERMO SENTRY CONTRO L RELAY SW3 THERMO SENTRY SWITCH SOL2 HOPPER AIR SHUT OFF SOLENOID 13 BLK 108 GRY L10 HOPPER FIRE INDICATOR LAMP ...

Page 59: ...WITCH SW3 20 TAN BATTERY NEGATIVE 13 BLK FUSE 1 15A 7 PUR i THERMO SENTRY SWITCH SW3 OPENS AT 71_C 160_F 7 PUR R2A THERMO SENTRY CONTROL RELAY 8 GRY 13 BLK 108 GRY 108 GRY 7 PUR R2B THERMO SENTRY CONTRO L RELAY SW3 THERMO SENTRY SWITCH SOL2 HOPPER AIR SHUT OFF SOLENOID 13 BLK 108 GRY L10 HOPPER FIRE INDICATOR LAMP ...

Page 60: ...ing Machine and Hydraulics a Minimum of 5 Minutes Examine Machine For Any Linkage Binding or Mechanical Problems DURING TESTS Call Technical Services if Diagnostic Time Exceeds One Hour With Unknown Cause or Course of Action Maintain Normal Main Brush Pressure as Listed in Operator s Manual NOTE Troubleshooting charts may be shown with optional equipment The optional equipment may not be specified...

Page 61: ...CTIVE PILOT PORT LINE WARNING LINES CONNECTED SUCTION LINE ACTIVE PILOT PORT LINE CASE DRAIN LINE HYDRAULIC FLOW OR MOVEMENT VARIABLE OR PWM ROTATING COMPONENT PUMP MOTOR SOLENOID VALVE MANUAL VALVE RELIEF VALVE CHECK VALVE PILOT PORT CHECK VALVE SPRING LOADED CHECK VALVE QUICK CONNECT TEST PORT RESTRICTOR OR ORIFICE TANK OR RESERVOIR FILTER OR STRAINER Energized Solenoid Valve Non energized Solen...

Page 62: ...irect Current PWM Pulse Width Modulation DCn Disconnect Test Port RES Reservoir FLTR Filter RH Right Hand GPM Gallons Per Minute RPM Revolutions Per Minute HTX Heat Exchanger RV Relief Valve IN Inches SC Spring Loaded Check Valve kPa KiloPascals STRN Strainer LH Left Hand SV Solenoid Valve LPM Liters Per Minute SW Switch M Motor Combustion V Volts Hydraulic Manifold Port Markings C Cylinder Connec...

Page 63: ...PROPEL PUMP ACCESSORY PUMPS ENGINE 6 4 cc per rev 0 388 ci 5 3 cc per rev 0 323 ci PUMP 2B PUMP 2A ENGINE PUMP 1 20 3 cc per rev 0 1 24 ci Pump 1 20 3 cc 1 24 ci Volume 2500RPM Displace ment Pump MAX 50 75 lpm 13 4 gpm Pump 2A 6 4 cc 0 388 ci 16 lpm 4 2 gpm Pump 2B 5 3 cc 0 323 ci 13 25 lpm 3 5 gpm ...

Page 64: ...S20 Service Infomation 54 S20 9006724 11 09 HYDRAULIC SCHEMATIC 354979 1048768 ...

Page 65: ...OUT IN OUT Aux Pump T4 M1 T3 T1 M2 T2 P G M3 Hopper Dump Door Cylinder Side Brush Motor Steering Valve Control Valve Hopper Lift Cylinder Filter Steer Cylinder Wheel Drive Motor Reservoir Solenoid Valve Main Brush Motor Propel Pump 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 ...

Page 66: ... M1 165 BAR RV4 2400 psi MAIN BRUSH MOTOR M2 T2 SV1 SV2 RV6 50 psi FLTR MTR2 CV2 SOLENOID VALVE MANIFOLD T4 5 9 BAR RV3 85 psi 3 4 BAR PRESSURE 2 8 BAR 40 psi SWITCH 425 RPM 25 RPM PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65 5_C 150_F i 41 BAR 600 PSI 2500 RPM 15 1 LPM 4 0 GPM 600 PSI 41 BAR PRESSURE READING BASED ON 50 MM 2 IN MAIN BRUSH PATTERN i 100 PSI 7 BAR ...

Page 67: ...S20 Service Infomation 57 S20 9006724 11 09 MAIN BRUSH DOES NOT TURN ON ...

Page 68: ...S20 Service Infomation 58 S20 9006724 11 09 MAIN BRUSH DOES NOT TURN OFF ...

Page 69: ... 9 BAR RV3 85 psi 3 4 BAR PRESSURE 2 8 BAR 40 psi SWITCH T3 MTR3 SV2 M3 4 0 GPM 15 1 LPM TEST PORT 750 PSI 52 BAR MAIN BRUSH MOTOR RIGHT SIDE BRUSH MOTOR 95 RPM 10 RPM 17 BAR 250 PSI 52 BAR 750 PSI CV2 SOLENOID VALVE MANIFOLD ENGINE PUMP 2B PUMP 2A PUMP 1 2500 RPM 425 RPM 25 RPM 100 PSI 7 BAR PRESSURE READING BASED ON 50 MM 2 IN MAIN BRUSH PATTERN i PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERA...

Page 70: ...T3 MTR3 MTR4 SV2 M3 SV3 T LEFT SIDE BRUSH CYL4 LIFT LOWER CYLINDER LOWER C1 C2 OR1 0 035 in 0 89 mm TEST PORT 900 PSI 62 BAR MAIN BRUSH MOTOR RIGHT SIDE BRUSH MOTOR 62 BAR 900 PSI 27 6 BAR 400 PSI LEFT SIDE BRUSH MOTOR 15 1 LPM 4 0 GPM CV2 SOLENOID VALVE MANIFOLD ENGINE PUMP 2B PUMP 2A PUMP 1 2500 RPM 95 RPM 10 RPM 425 RPM 25 RPM 95 RPM 10 RPM 17 BAR 250 PSI 100 PSI 7 BAR PRESSURE READING BASED ON...

Page 71: ...S20 Service Infomation 61 S20 9006724 11 09 SIDE BRUSH ES DOES NOT TURN ON ...

Page 72: ...S20 Service Infomation 62 S20 9006724 11 09 SIDE BRUSH ES DOES NOT TURN OFF ...

Page 73: ...ng RESERVOIR STRN1 T2 RV6 50 psi FLTR 5 9 BAR RV3 85 psi 3 4 BAR PRESSURE 2 8 BAR 40 psi SWITCH SOLENOID T1 VALVE MANIFOLD TO CYL3 HOPPER LIFT CYLINDER OPEN HOPPER CYLINDER DOOR OUT BYD A B C D CK4 CK5 IN CV2 STEERING VALVE ASSEMBLY CV3 CYL2 CV4 VALVE MANIFOLD HOPPER HOPPER LIFT HOPPER DOOR ENGINE PUMP 2B PUMP 2A PUMP 1 2500 RPM 3 3 GPM 12 5 LPM ...

Page 74: ...S20 Service Infomation 64 S20 9006724 11 09 HOPPER DOOR DOES NOT OPEN ...

Page 75: ...in When Hopper Door Cylinder hydraulic cylinder causes Hopper Door Cylinder to extend reaches the end of travel Relief Valve RV5 will open to prevent excessive pressure build up OUT BYD A B C D CK4 CK5 IN CV2 STEERING VALVE ASSEMBLY CV3 TO CYL3 CYLINDER HOPPER LIFT HOPPER CYLINDER DOOR CYL2 63 BAR 914 PSI WITH DOOR HELD CLOSED CV4 VALVE HOPPER MANIFOLD HOPPER LIFT HOPPER DOOR ENGINE PUMP 2B PUMP 2...

Page 76: ...S20 Service Infomation 66 S20 9006724 11 09 HOPPER DOOR DOES NOT CLOSE ...

Page 77: ...S20 Service Infomation 67 S20 9006724 11 09 HOPPER DOOR DOES NOT STAY CLOSED ...

Page 78: ...IFT HOPPER CYLINDER LIFT i When Hopper Lift Cylinder reaches the end of travel Relief Valve RV5 will open to prevent excessive pressure build up OUT BYD A B C D CK4 CK5 IN TV1 0 055 in 1 4 mm CV2 STEERING VALVE ASSEMBLY CV3 TO CYL2 HOPPER DOOR CYLINDER CYL3 CV4 VALVE HOPPER MANIFOLD HOPPER LIFT HOPPER DOOR 63 BAR 914 PSI WITH HOPPER HELD RAISED ENGINE PUMP 2B PUMP 2A PUMP 1 2500 RPM 3 3 GPM 12 5 L...

Page 79: ...S20 Service Infomation 69 S20 9006724 11 09 HOPPER DOES NOT RAISE ...

Page 80: ...S20 Service Infomation 70 S20 9006724 11 09 HOPPER DOES NOT STAY IN RAISED POSITION ...

Page 81: ... 40 psi SWITCH SOLENOID T1 VALVE MANIFOLD LOWER HOPPER CYLINDER LIFT OUT BYD A B C D CK4 CK5 IN 63 BAR TV1 0 055 in 1 4 mm CV2 CV3 TO CYL2 HOPPER DOOR CYLINDER CYL3 CV4 VALVE HOPPER MANIFOLD HOPPER LIFT HOPPER DOOR Lowering of hopper is due to gravity weight of hopper i ENGINE PUMP 2B PUMP 2A PUMP 1 2500 RPM 3 3 GPM 12 5 LPM Conditions Engine Running PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPER...

Page 82: ...S20 Service Infomation 72 S20 9006724 11 09 HOPPER DOES NOT LOWER ...

Page 83: ...i E TO HOPPER DOOR LIFT VALVES PMP3 CV3 TURN 63 BAR 914 PSI HELD AT STOP ON STEERING WHEEL 44 8 BAR 650 PSI TURNING 20 7 BAR 300 PSI STATIONARY ENGINE PUMP 2B PUMP 2A PUMP 1 2500 RPM 3 3 GPM 12 5 LPM Conditions Engine Running PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65 5_C 150_F i Ck4 used for steering fluid supply in the event of main supply pump and or motor failure ...

Page 84: ... E TO HOPPER DOOR LIFT VALVES PMP3 3 3 GPM 12 5 LPM CV3 TURN 63 BAR 914 PSI HELD AT STOP ON STEERING WHEEL 44 8 BAR 650 PSI TURNING 20 7 BAR 300 PSI STATIONARY ENGINE PUMP 2B PUMP 2A PUMP 1 2500 RPM Conditions Engine Running PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65 5_C 150_F i Ck4 used for steering fluid supply in the event of main supply pump and or motor failure ...

Page 85: ...S20 Service Infomation 75 S20 9006724 11 09 STEERING SYSTEM NOT WORKING PROPERLY ...

Page 86: ... CK1 CK2 CV1 SV2 SV1 ENGINE PUMP 2B PUMP 2A MTR1 4 0 GPM 15 1 LPM CV2 PROPEL MOTOR ASSEMBLY PROPEL PUMP ASSEMBLY 2500 RPM Conditions Engine Running PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65 5_C 150_F i Tow by pass valve located on top of propel pump See component locator PUMP 1 50 75 lpm 13 4 gpm 50 75 lpm 13 4 gpm Propel circuit directional flow is dependent upon Pump 1 swash pla...

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