Tennant S20 Service Information Manual
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Tennant S20 Service Information Manual

Gas/lpg/diesel, sweepsmart system, shakemax 360
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See also: Operator's Manual
S20
(Gas/LPG/Diesel)
Sweeper
Service Information Manual
SweepSmart
System
t
ShakeMax
360
t
9006724
North America / International
Rev. 00 (11-2009)
*9006724*
www.tennantco.com

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Summary of Contents for Tennant S20

  • Page 1 (Gas/LPG/Diesel) Sweeper Service Information Manual SweepSmart System ShakeMax 9006724 North America / International Rev. 00 (11-2009) *9006724* www.tennantco.com...
  • Page 3 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 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 Tennant Company. Specifications and parts are subject to change without notice.

  • Page 5: Table Of Contents

    S20 GAS/LPG/D TABLE OF CONTENTS SAFETY PRECAUTIONS GENERAL MACHINE INFORMATION SPECIFICATIONS GENERAL MACHINE DIMENSIONS/CAPACITIES GENERAL MACHINE PERFORMANCE POWER TYPE POWER TYPE STEERING HYDRAULIC SYSTEM MACHINE DIMENSIONS COMPONENT LOCATOR SYMBOL DEFINITIONS MAINTENANCE & REPAIR HOPPER DUST FILTER REPLACING THE HOPPER DUST FILTER...
  • Page 6 HYDRAULIC TROUBLESHOOTING INFORMATION GENERAL INFORMATION HYDRAULIC SCHEMATIC HYDRAULIC HOSE GROUP MAIN BRUSH ON MAIN BRUSH DOES NOT TURN ON MAIN BRUSH DOES NOT TURN OFF MAIN AND SIDE BRUSH ON (STANDARD) MAIN AND SIDE BRUSHES ON (WITH OPTIONAL LEFT SIDE BRUSH) SIDE BRUSH(ES) DOES NOT TURN ON SIDE BRUSH(ES) DOES NOT TURN OFF HOPPER DOOR OPEN...

  • Page 7: Safety Precautions

    (Vacuum wand option only). 5. Before leaving or servicing machine: - - Stop on level surface. - - Set parking brake. - - Turn off machine and remove key. S20 9006724 (11- -09)
  • Page 8 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.
  • Page 9 EMISSIONS LABEL - - Located on the side of the Located on engine belt operator compartment. guard. HOPPER LIFT ARMS LABEL - - Located on both hopper lift arms. HEARING PROTECTION LABEL - - Located only on machines with cab option. 354902 S20 9006724 (11- -09)
  • Page 10 FOR SAFETY LABEL - - Located on the side of the operator compartment. RAISED HOPPER LABEL - - Located on the hopper lift arm. VACUUM WAND LABEL - - Located on the optional vacuum wand. 354902 S20 9006724 (11- -09)

  • Page 11: General Machine Information

    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. S20 9006724 (11- -09)

  • Page 12: Specifications

    2415 mm (95 in) Minimum turning radius, right 2113 mm (83.2 in) Minimum turning radius, left 1625 mm (64 in) Maximum rated incline with empty hopper 14_ / 25% Maximum rated incline with full hopper 10_ / 17.6% S20 9006724 (11- -09)

  • Page 13: Power Type

    System Capacity Fluid Type Hydraulic reservoir 19.3 L (5.1 gal) TENNANT part no. 65869 -- above 7_ C (45_ F) TENNANT part no. 65870 -- below 7_ C (45_ F) Hydraulic total 20.8 L (5.5 gal) S20 9006724 (11- -09)
  • Page 14 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) S20 9006724 (11- -09)

  • Page 15: Machine Dimensions

    S20 Service Information MACHINE DIMENSIONS 1230 mm (48.5 in) TOP VIEW 2085 mm (82.1 in) 1260 mm (49.5 in) 2090 mm FRONT VIEW (82.3 in) SIDE VIEW 354901 S20 9006724 (11- -09)

  • Page 16: Component Locator

    COMPONENT LOCATOR Front Front Front LP filter in lockoff Front Front Front 1. Fuse & relay panel 6. Fuel Pump (gas) 2. Steering Valve 3. Low Fuel Pressure Switch (LPG) 4. Steering Cylinder 5. Fuel Filter S20 9006724 (11- -09)
  • Page 17 Front Front 1. Fuel Sending Unit 6. Fuel Filter (diesel) 2. Brake light switch 7. Fuel Pump (diesel) 3. Hydraulic Solenoid Control Valve 8. Tow By- -Pass 4. Propel System Hydraulic Pump 5. Accessory Hyraulic Pumps S20 9006724 (11- -09)

  • Page 18: Symbol Definitions

    Hopper down Hourmeter Hopper up Steering wheel tilt Hopper door open 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 S20 9006724 (11- -09)
  • Page 19 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 S20 9006724 (11- -09)
  • Page 20 S20 Service Information FOR OPERATOR AND MAINTENANCE CHARTS, REFER TO OPERATORS MANUAL S20 9006724 (11- -09)

  • Page 21: Maintenance & Repair

    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. S20 9006724 (11- -09)

  • Page 22: Hopper Dust Filter

    2. Remove the dust filter cover. NOTE: Do not operate filter shaker or raise 7. Reinstall the dust filter cover. hopper with dust filter cover removed. Shaker motor damage can occur. 8. Close the hopper cover. S20 9006724 (11- -09)

  • Page 23: Replacing The Hopper Dust Filter

    Loosen shaker tray mounting bolts and adjust tray to obtain proper seal filter height measurement and tighten as necessary. Reassemble filter box, using new seals where needed. Front side of filter box assembly S20 9006724 (11- -09)

  • Page 24: Electrical Troubleshooting Information

    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. S20 9006724 (11- -09)

  • Page 25: Electrical Symbols And Abbreviations

    Black Battery Positive Blue Circuit Brown Diode Green Fuse Gray Ground Orange Lamp Pink Relay Coil Purple Motor Normally Closed Normally Open White Permanent Magnet Yellow S or SW Switch Solenoid Valve Timer Volts, Direct Current S20 9006724 (11- -09)

  • Page 26: Electrical Schematic Fig 1

    S20 Service Infomation ELECTRICAL SCHEMATIC FIG 1 - - GAS/LP 354985 S20 9006724 (11- -09)

  • Page 27: Electrical Schematic Fig. 7

    S20 Service Infomation ELECTRICAL SCHEMATIC FIG. 2 - - GAS/LP 354985 S20 9006724 (11- -09)
  • Page 28 S20 Service Infomation ELECTRICAL SCHEMATIC FIG. 3 - - GAS/LP 354985 S20 9006724 (11- -09)
  • Page 29 S20 Service Infomation ELECTRICAL SCHEMATIC FIG. 4 - - GAS/LP 354985 S20 9006724 (11- -09)
  • Page 30 S20 Service Infomation ELECTRICAL SCHEMATIC FIG. 5 - - GAS/LP 354985 S20 9006724 (11- -09)
  • Page 31 S20 Service Infomation ELECTRICAL SCHEMATIC FIG. 6 - - GAS/LP 354985 S20 9006724 (11- -09)
  • Page 32 S20 Service Infomation ELECTRICAL SCHEMATIC FIG. 7 - - DIESEL 1048609 - - 354986 S20 9006724 (11- -09)
  • Page 33 S20 Service Infomation ELECTRICAL SCHEMATIC FIG. 8 - - DIESEL 1048609 - - 354986 S20 9006724 (11- -09)
  • Page 34 S20 Service Infomation ELECTRICAL SCHEMATIC FIG. 9 - - DIESEL 1048609 - - 354986 S20 9006724 (11- -09)
  • Page 35 S20 Service Infomation ELECTRICAL SCHEMATIC FIG. 10 - - DIESEL 1048609 - - 354986 S20 9006724 (11- -09)
  • Page 36 S20 Service Infomation ELECTRICAL SCHEMATIC FIG. 11 - - DIESEL 1048609 - - 354986 S20 9006724 (11- -09)
  • Page 37 S20 Service Infomation ELECTRICAL SCHEMATIC FIG. 12 - - DIESEL 1048609 - - 354986 S20 9006724 (11- -09)

  • Page 38: Wire Harnesses Group Fig. 13

    S20 Service Infomation WIRE HARNESSES GROUP FIG. 13 - - GAS/LP 354981 S20 9006724 (11- -09)

  • Page 39: Wire Harnesses Group Fig. 17

    S20 Service Infomation WIRE HARNESSES GROUP FIG. 14 - - GAS/LP 354981 S20 9006724 (11- -09)
  • Page 40 S20 Service Infomation WIRE HARNESSES GROUP FIG. 15 - - GAS/LP 354981 S20 9006724 (11- -09)
  • Page 41 S20 Service Infomation WIRE HARNESSES GROUP FIG. 16 - - GAS/LP 354981 S20 9006724 (11- -09)
  • Page 42 S20 Service Infomation WIRE HARNESSES GROUP FIG. 17 - - DIESEL 354982 - - D S20 9006724 (11- -09)
  • Page 43 S20 Service Infomation WIRE HARNESSES GROUP FIG. 18 - - DIESEL 354982 - -D S20 9006724 (11- -09)
  • Page 44 S20 Service Infomation WIRE HARNESSES GROUP FIG. 19 - - DIESEL 354982 - - D S20 9006724 (11- -09)
  • Page 45 S20 Service Infomation WIRE HARNESSES GROUP FIG. 20 - - DIESEL 354982 - - D S20 9006724 (11- -09)

  • Page 46: Key Switch Information (Gas/Lpg Only)

    Spring loaded- -Returns to RUN unless held Key Switch pin terminal Key Switch position START “ “ Indicates a common connection Common connections in various switch positions should be less than 0.2 vdc per connection (under load). S20 9006724 (11- -09)

  • Page 47: Key Switch Information (Diesel Only)

    Spring loaded- -Returns to RUN unless held Key Switch pin terminal Glow Plug Key Switch No Connections position START “ “ Indicates a common connection Common connections in various switch positions should be less than 0.2 vdc per connection (under load). S20 9006724 (11- -09)

  • Page 48: Key Off Power Distribution (Gas/Lp Only)

    24/YEL FUEL LEVEL SENDER (GAS ONLY) FUEL GAUGE (GAS ONLY) 13/BLK TANK PRESSURE SWITCH (LPG ONLY) 18/GRY 27/PUR 13/BLK OPENS ABOVE 5 BAR (70 PSI) LOW FUEL LAMP (LPG ENGINE IGNITION ONLY) 18/GRY 13/BLK CONTROL MODULE S20 9006724 (11- -09)

  • Page 49: Key On, Engine Off Power Distribution (Gas/Lpg Only)

    24/YEL FUEL LEVEL SENDER (GAS ONLY) FUEL GAUGE (GAS ONLY) 13/BLK TANK PRESSURE SWITCH (LPG ONLY) 18/GRY 27/PUR 13/BLK OPENS ABOVE 5 BAR (70 PSI) LOW FUEL LAMP (LPG ONLY) ENGINE IGNITION 18/GRY 13/BLK CONTROL MODULE S20 9006724 (11- -09)

  • Page 50: Key On, Engine Running Power Distribution (Gas/Lpg Only)

    24/YEL FUEL LEVEL SENDER (GAS ONLY) FUEL GAUGE (GAS ONLY) 13/BLK TANK PRESSURE SWITCH (LPG ONLY) 18/GRY 27/PUR 13/BLK OPENS ABOVE 5 BAR (70 PSI) LOW FUEL LAMP (LPG ONLY) ENGINE IGNITION 18/GRY 13/BLK CONTROL MODULE S20 9006724 (11- -09)

  • Page 51: Key Off Power Distribution (Diesel Only)

    SW19 17/PUR 16/BLU 18/GRY PARK BRAKE SWITCH 17/PUR 13/BLK 18/GRY 22/BRN PARK BRAKE LAMP ENGINE TEMP CLOSES AT 112_C (235_F) 0Ω=EMPTY, 90Ω=FULL LAMP HIGH ENGINE TEMP SWITCH 18/GRY 13/BLK 24/YEL FUEL GAUGE FUEL LEVEL SENDER 13/BLK S20 9006724 (11- -09)

  • Page 52: Key On, Engine Off Power Distribution (Diesel Only)

    SW19 17/PUR 16/BLU 18/GRY SWITCH 17/PUR 13/BLK 18/GRY 22/BRN PARK BRAKE LAMP PARK BRAKE HIGH ENGINE TEMP SWITCH ENGINE TEMP CLOSES AT 112_C (235_F) LAMP 0Ω=EMPTY, 90Ω=FULL 18/GRY 13/BLK 24/YEL FUEL GAUGE FUEL LEVEL SENDER 13/BLK S20 9006724 (11- -09)

  • Page 53: Key On, Engine Running Power Distribution (Diesel Only)

    SW19 17/PUR 16/BLU 18/GRY PARK BRAKE SWITCH 17/PUR 13/BLK 18/GRY 22/BRN PARK BRAKE LAMP HIGH ENGINE TEMP SWITCH ENGINE TEMP CLOSES AT 112_C (235_F) LAMP 0Ω=EMPTY, 90Ω=FULL 18/GRY 13/BLK 24/YEL FUEL GAUGE FUEL LEVEL SENDER 13/BLK S20 9006724 (11- -09)

  • Page 54: Main Brush And Side Brush On (Standard)

    LEVER SWITCH ON VALVE HOPPER (Brush Lowered) POSITION SWITCH (Hopper Lowered) NOTE: Switch closes SW18A only when in the fully lowered position 60/TAN 13/BLK 61/PNK SIDE BRUSH RIGHT SIDE LEVER SWITCH BRUSH (Brush Lowered) ON VALVE S20 9006724 (11- -09)

  • Page 55: Main Brush & Side Brushes On (With Optional Left Side Brush)

    TIMER (TMR3) KEEPS BOTH (Brush Lowered) VALVE SIDE BRUSHES SPINNING FOR SIX SECONDS AFTER BEING RAISED 61/PNK TMR3 SIDE BRUSHES DELAY TIMER INIT 61/PNK 13/BLK 13/BLK 40/TAN 4/YEL 4/YEL 40/TAN 4/YEL RIGHT & LEFT SIDE BRUSHES ON VALVE S20 9006724 (11- -09)

  • Page 56: Filter Shaker And Clogged Dust Filter Circuits

    SW7A 4/YEL 54/YEL 54/YEL 13/BLK CLOGGED DUST FILTER LAMP CLOGGED DUST FILTER SWITCH CLOGGED DUST FILTER SWITCH (SW7A) CLOSES AT 330 mm (13 IN) OF WATER LIFT (DIFFERENTIAL VACUUM PRESSURE) 4/YEL 54/YEL CLOGGED DUST FILTER ALARM S20 9006724 (11- -09)

  • Page 57: Hopper Door Closed Lamp & Clogged Hydraulic Filter Lamp Circuits

    (SW3) FUSE 3 4/YEL 26/BLU 13/BLK HOPPER DOOR HOPPER DOOR CLOSED SWITCH CLOSED LAMP SW12A 53/ORG 4/YEL CLOGGED HYDRAULIC CLOGGED FILTER HYDRAULIC LAMP FILTER SWITCH CLOGGED HYDRAULIC FILTER SWITCH (SW12A) CLOSES AT 2.75 BAR (40 PSI) S20 9006724 (11- -09)

  • Page 58: Hopper Thermo Sentry Circuit (Normal Operation)

    (SW3) OPENS AT 71_C (160_F) FUSE 1 20/TAN 7/PUR 7/PUR 8/GRY 13/BLK THERMO--SENTRY THERMO--SENTRY CONTROL RELAY SWITCH 7/PUR 108/GRY 108/GRY 13/BLK THERMO HOPPER FIRE --SENTRY INDICATOR LAMP CONTRO L RELAY SOL2 108/GRY 13/BLK HOPPER AIR SHUT--- SOLENOID S20 9006724 (11- -09)

  • Page 59: Hopper Thermo Sentry Circuit (Fire In Hopper)

    (SW3) OPENS AT 71_C (160_F) FUSE 1 20/TAN 7/PUR 7/PUR 8/GRY 13/BLK THERMO--SENTRY CONTROL RELAY THERMO--SENTRY SWITCH 7/PUR 108/GRY 108/GRY 13/BLK HOPPER FIRE THERMO INDICATOR LAMP --SENTRY CONTRO L RELAY SOL2 13/BLK 108/GRY HOPPER AIR SHUT--- SOLENOID S20 9006724 (11- -09)

  • Page 60: Hydraulic Troubleshooting Information

    * 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 in these charts. Some machines may not be equipped with all components shown. S20 9006724 (11- -09)

  • Page 61: General Information

    CHECK VALVE VALVE CHECK VALVE VALVE VALVE WARNING RESTRICTOR TANK OR INFORMATION FILTER OR ROTATING QUICK CONNECT OR ORIFICE RESERVOIR STRAINER COMPONENT TEST PORT EXAMPLE Energized Non- -energized Solenoid Solenoid Valve Valve Valve position for indicated circuit S20 9006724 (11- -09)
  • Page 62 Spring Loaded Check Inches Valve KiloPascals STRN Strainer Left Hand Solenoid Valve Liters Per Minute Switch Motor (Combustion) Volts Hydraulic Manifold Port Markings Cylinder Connection Pump Connection Pressure Switch Connec- Test Port tion Motor Connection Tank Connection S20 9006724 (11- -09)
  • Page 63 Displace- Volume @ ment 2500RPM MAX. Pump 1 20.3 cc 50.75 lpm (1.24 ci) (13.4 gpm) Pump 2A 6.4 cc 16 lpm (0.388 ci) (4.2 gpm Pump 2B 13.25 lpm 5.3 cc (3.5 gpm (0.323 ci) S20 9006724 (11- -09)

  • Page 64: Hydraulic Schematic

    S20 Service Infomation HYDRAULIC SCHEMATIC 354979 - - 1048768 S20 9006724 (11- -09)

  • Page 65: Hydraulic Hose Group

    S20 Service Infomation HYDRAULIC HOSE GROUP S20 9006724 (11- -09)

  • Page 66: Main Brush On

    (4.0 GPM) ENGINE 3.4 BAR @ 2500 RPM PUMP PUMP (50 psi) PUMP 5.9 BAR (85 psi) PRESSURE FLTR SWITCH STRN1 2.8 BAR (40 psi) PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65.5_C (150_F) RESERVOIR S20 9006724 (11- -09)

  • Page 67: Main Brush Does Not Turn On

    S20 Service Infomation MAIN BRUSH DOES NOT TURN ON S20 9006724 (11- -09)

  • Page 68: Main Brush Does Not Turn Off

    S20 Service Infomation MAIN BRUSH DOES NOT TURN OFF S20 9006724 (11- -09)

  • Page 69: Main And Side Brush On (Standard)

    (4.0 GPM) ENGINE 3.4 BAR PUMP PUMP PUMP (50 psi) @ 2500 RPM FLTR STRN1 5.9 BAR PRESSURE (85 psi) SWITCH 2.8 BAR (40 psi) PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65.5_C (150_F) RESERVOIR S20 9006724 (11- -09)

  • Page 70: Main And Side Brushes On (With Optional Left Side Brush)

    (4.0 GPM) ENGINE @ 2500 RPM 3.4 BAR (50 psi) PUMP PUMP PUMP 5.9 BAR PRESSURE FLTR (85 psi) SWITCH STRN1 2.8 BAR (40 psi) PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65.5_C (150_F) RESERVOIR S20 9006724 (11- -09)

  • Page 71: Side Brush(Es) Does Not Turn On

    S20 Service Infomation SIDE BRUSH(ES) DOES NOT TURN ON S20 9006724 (11- -09)

  • Page 72: Side Brush(Es) Does Not Turn Off

    S20 Service Infomation SIDE BRUSH(ES) DOES NOT TURN OFF S20 9006724 (11- -09)

  • Page 73: Hopper Door Open

    VALVE ASSEMBLY 63 BAR (914 psi) STEERING CYLINDER ENGINE 12.5 LPM 3.4 BAR (3.3 GPM) @ 2500 RPM (50 psi) PUMP PUMP PUMP 5.9 BAR PRESSURE (85 psi) FLTR SWITCH STRN1 2.8 BAR (40 psi) RESERVOIR S20 9006724 (11- -09)

  • Page 74: Hopper Door Does Not Open

    S20 Service Infomation HOPPER DOOR DOES NOT OPEN S20 9006724 (11- -09)

  • Page 75: Hopper Door Close

    3.4 BAR 12.5 LPM (50 psi) (3.3 GPM) @ 2500 RPM PUMP PUMP PUMP PRESSURE 5.9 BAR SWITCH FLTR (85 psi) 2.8 BAR STRN1 (40 psi) PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65.5_C (150_F) RESERVOIR S20 9006724 (11- -09)

  • Page 76: Hopper Door Does Not Close

    S20 Service Infomation HOPPER DOOR DOES NOT CLOSE S20 9006724 (11- -09)

  • Page 77: Hopper Door Does Not Stay Closed

    S20 Service Infomation HOPPER DOOR DOES NOT STAY CLOSED S20 9006724 (11- -09)

  • Page 78: Hopper Lift

    12.5 LPM (50psi) @ 2500 RPM (3.3 GPM) PUMP PUMP (50 psi) PUMP 5.9 BAR PRESSURE (85 psi) SWITCH FLTR STRN1 2.8 BAR (40 psi) PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65.5_C (150_F) RESERVOIR S20 9006724 (11- -09)

  • Page 79: Hopper Does Not Raise

    S20 Service Infomation HOPPER DOES NOT RAISE S20 9006724 (11- -09)

  • Page 80: Hopper Does Not Stay In Raised Position

    S20 Service Infomation HOPPER DOES NOT STAY IN RAISED POSITION S20 9006724 (11- -09)

  • Page 81: Hopper Lower

    12.5 LPM @ 2500 RPM (50 psi) (3.3 GPM) PUMP PUMP (50 psi) PUMP 5.9 BAR PRESSURE (85 psi) SWITCH FLTR 2.8 BAR STRN1 (40 psi) PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65.5_C (150_F) RESERVOIR S20 9006724 (11- -09)

  • Page 82: Hopper Does Not Lower

    S20 Service Infomation HOPPER DOES NOT LOWER S20 9006724 (11- -09)

  • Page 83: Steering System - - Right Turn

    44.8 BAR failure. (914 PSI) HELD AT STOP ON STEERING WHEEL 63 BAR ENGINE 12.5 LPM (3.3 GPM) @ 2500 RPM PUMP PUMP PUMP STRN1 RESERVOIR PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65.5_C (150_F) S20 9006724 (11- -09)

  • Page 84: Steering System --- Left Turn

    44.8 BAR (650 PSI) TURNING (914 PSI) HELD AT STOP ON STEERING WHEEL 63 BAR ENGINE 12.5 LPM (3.3 GPM) @ 2500 RPM PUMP PUMP PUMP STRN1 PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65.5_C (150_F) RESERVOIR S20 9006724 (11- -09)

  • Page 85: Steering System Not Working Properly

    S20 Service Infomation STEERING SYSTEM NOT WORKING PROPERLY S20 9006724 (11- -09)

  • Page 86: Propel System

    Tow by- - pass valve - - located STRN1 on top of propel pump. (See dependent upon Pump 1 swash- component locator.) plate position (Forward/Reverse). Speed dependent upon % of swashplate angle. RESERVOIR PRESSURE READINGS BASED ON HYDRAULIC OIL TEMPERATURE AT 65.5_C (150_F) S20 9006724 (11- -09)

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