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Case 445CT Repair Manual

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REPAIR MANUAL
WORKING ARM
435
445CT
445
39747 1 04/05/2005
H

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Summary of Contents for Case 445CT

  • Page 1 REPAIR MANUAL WORKING ARM 445CT 39747 1 04/05/2005...

  • Page 2: H.40

    Contents WORKING ARM - H SINGLE ARM Lift H.40.B 435, 445CT, 445 SINGLE ARM TOOL ATTACHMENT Tilt H.50.C 435, 445CT, 445 39747 1 04/05/2005...
  • Page 3 WORKING ARM - H SINGLE ARM Lift - 40.B 445CT 39750 1 04/05/2005 H.40.B / 1...

  • Page 4: Table Of Contents

    435, 445 Control valve - General specification (H.40.B.13 - D.40.A.10) 445CT Cylinder Cylinder - Torque (H.40.B.26 - D.20.A.10) 435, 445, 445CT Accumulator Accumulator - General specification (H.40.B.30 - D.40.A.10) 435, 445, 445CT Accumulator - Special tools (H.40.B.30 - D.20.A.40) 435, 445, 445CT...
  • Page 5 Relief valve - Pressure test (H.40.B.16 - F.40.A.30) 435, 445, 445CT Relief valve - Flow test (H.40.B.16 - F.40.A.45) 435, 445, 445CT Cylinder Cylinder - Disassemble (H.40.B.26 - F.10.A.25) 435, 445, 445CT Cylinder - Visual inspection (H.40.B.26 - F.40.A.10) 435, 445, 445CT Cylinder - Assemble (H.40.B.26 - F.10.A.20)

  • Page 6: Control Valve - General Specification (H.40.B.13 - D.40.A.10)

    Anti-Void Control valve - General specification (H.40.B.13 - D.40.A.10) 445CT Port Relief Valve Cartridge Pressures at 2.84 L/min (0.75 US gpm) 450CT Machines 445CT Machines Port A1 26200 kPa (3800 psi) 26200 kPa (3800 psi) Port B1 21734 kPa (3100 psi)

  • Page 7: Cylinder - Torque (H.40.B.26 - D.20.A.10)

    WORKING ARM - SINGLE ARM Lift Cylinder - Torque (H.40.B.26 - D.20.A.10) 435, 445, 445CT Piston Bolt Torque Loader Lift Cylinder 365 - 460 Nm (270 - 340 lb ft) Packing Gland Torque Loader Lift Cylinder 407 Nm ± 68 Nm (300 lb ft ± 50 lb ft) 1 04/05/2005 H.40.B / 5...

  • Page 8: Accumulator - General Specification (H.40.B.30 - D.40.A.10)

    WORKING ARM - SINGLE ARM Lift Accumulator - General specification (H.40.B.30 - D.40.A.10) 435, 445, 445CT Accumulator Charging Valve Cap Torque 10 lb in Weight (Approximate) 3.73 kg (8.2 lb) Fluid Capacity 740 L (45 in³) Maximum Operating Pressure 20700 kPa (3000 psi) Accumulator - Special tools (H.40.B.30 - D.20.A.40)

  • Page 9: Cylinder - Sectional View (H.40.B.26 - C.10.A.30)

    WORKING ARM - SINGLE ARM Lift Cylinder - Sectional view (H.40.B.26 - C.10.A.30) 435, 445, 445CT BT97F008 Cross Section View of Lift Cylinder 1. Tube 6. Seal 11. Wiper 2. Washer 7. Wear ring 12. Piston rod end 3. Bolt 8.

  • Page 10: Single Arm Lift - Cleaning (H.40.B - F.30.A.10)

    WORKING ARM - SINGLE ARM Lift SINGLE ARM Lift - Cleaning (H.40.B - F.30.A.10) 435, 445, 445CT Contamination in the hydraulic system is a major cause of the malfunction of hydraulic components. Contamination is any foreign material in the hydraulic oil. Contamination can enter the hydraulic system in several ways.
  • Page 11 WORKING ARM - SINGLE ARM Lift Visible contamination is foreign material that can be found by sight, touch, or odor. Visible contamination can cause a sudden failure of components. Examples of visible contamination: (A) Particles of metal or dirt in the oil. (B) Air in the oil.
  • Page 12 WORKING ARM - SINGLE ARM Lift Start the vacuum pump. The hydraulic reservoir is locate3d on the left rear side of the machine. Loosen and remove the drain plug from the reservoir. Using the fitting kit CAS10508, install the valve in the hole for the drain plug.
  • Page 13 WORKING ARM - SINGLE ARM Lift Stop the vacuum pump. Disconnect the vacuum pump from the opening in the reservoir. Install new hydraulic and hydrostatic filter elements on the machine. Start the engine. Check for oil leakage around the new hydraulic and hydrostatic filters. Stop the engine.

  • Page 14: Single Arm Lift - Decontaminating (H.40.B - F.30.A.60)

    WORKING ARM - SINGLE ARM Lift SINGLE ARM Lift - Decontaminating (H.40.B - F.30.A.60) 435, 445, 445CT Start and run the engine at 1500 rpm (r/min). Completely retract the cylinders of all attachments on the machine. Angle the blade to the right, the right cylinder will be fully retracted and the left will be fully extended.
  • Page 15 WORKING ARM - SINGLE ARM Lift Slowly and completely extend all cylinders. As the piston rod comes in/out of the cylinder, oil will be pushed out of the OPEN end of the cylinders. IMPORTANT: Any attachment or part of an attachment that is raised must be supported with acceptable equipment to prevent the attachment from falling.

  • Page 16: Single Arm Lift - Remove (H.40.B - F.10.A.10)

    WORKING ARM - SINGLE ARM Lift SINGLE ARM Lift - Remove (H.40.B - F.10.A.10) 435, 445, 445CT Park the machine on a level surface. Clean any dirt and grease from the hydraulic connections for the bucket and lift cylinders. If the...
  • Page 17 WORKING ARM - SINGLE ARM Lift Loosen and remove the grease fitting (18) from the left lift cylinder pivot pin (14). Remove the bolt (16), washer (17), spacer (15), pin (14) and bushing (22) from the left hand link assembly (21). Use an acceptable support and attach the lift cylinder to the loader frame.
  • Page 18 WORKING ARM - SINGLE ARM Lift BT98D110 Loader Frame 1. Frame assembly 9. Bucket tilt cylinder 17. Washer 25. Bolt 26. Lock nut 2. Bushing 10. PIN 18. Grease fitting 3. Upper step plate 11. Bolt 19. RH link assembly 27.
  • Page 19 WORKING ARM - SINGLE ARM Lift bs04d136 Loader H-Frame Arm Assembly 1. Arm assembly 5. Bolt 9. Bolt 2. Bushing 6. Lock nut 10. Lock nut 3. Spacer 7. Grease fitting 11. Grease fitting 4. PIN 8. PIN 1 04/05/2005 H.40.B / 17...

  • Page 20: Single Arm Lift - Visual Inspection (H.40.B - F.40.A.10)

    WORKING ARM - SINGLE ARM Lift SINGLE ARM Lift - Visual inspection (H.40.B - F.40.A.10) 435, 445, 445CT Inspect the loader frame (1) for cracks, corrosion, and any other damage, refer to the illustration in Figure 1. Use new parts as required.
  • Page 21 WORKING ARM - SINGLE ARM Lift BT98D110 Loader Frame 1. Frame assembly 9. Bucket tilt cylinder 17. Washer 25. Bolt 26. Lock nut 2. Bushing 10. PIN 18. Grease fitting 3. Upper step plate 11. Bolt 19. RH link assembly 27.
  • Page 22 WORKING ARM - SINGLE ARM Lift bs04d136 Loader H-Frame Arm Assembly 1. Arm assembly 5. Bolt 9. Bolt 2. Bushing 6. Lock nut 10. Lock nut 3. Spacer 7. Grease fitting 11. Grease fitting 4. PIN 8. PIN 1 04/05/2005 H.40.B / 20...

  • Page 23: Single Arm Lift - Install (H.40.B - F.10.A.15)

    WORKING ARM - SINGLE ARM Lift SINGLE ARM Lift - Install (H.40.B - F.10.A.15) 435, 445, 445CT Installation of the loader frame and loader H-frame arm is the reverse of the removal procedure. After lowering the loader frame onto the chassis,...
  • Page 24 WORKING ARM - SINGLE ARM Lift BT98D110 Loader Frame 1. Frame assembly 9. Bucket tilt cylinder 17. Washer 25. Bolt 26. Lock nut 2. Bushing 10. PIN 18. Grease fitting 3. Upper step plate 11. Bolt 19. RH link assembly 27.
  • Page 25 WORKING ARM - SINGLE ARM Lift bs04d136 Loader H-Frame Arm Assembly 1. Arm assembly 5. Bolt 9. Bolt 2. Bushing 6. Lock nut 10. Lock nut 3. Spacer 7. Grease fitting 11. Grease fitting 4. PIN 8. PIN 1 04/05/2005 H.40.B / 23...
  • Page 26 WORKING ARM - SINGLE ARM Lift BT97H024 Loader Frame Support 1. PIN 7. Bracket 13. Roll pin 2. Stop 8. Lever 14. Washer 3. Spring 9. Clamp 15. Washer 4. Link 10. Bolt 16. Washer 5. Cushion 11. Bolt 17. Washer 6.

  • Page 27: Command Lever - Adjust (H.40.B.05.05 - F.45.A.01)

    WORKING ARM - SINGLE ARM Lift Command Lever - Adjust (H.40.B.05.05 - F.45.A.01) 435, 445, 445CT With the ROPS down and latched, sit in the operators seat and lower the seat bar and turn the key switch to the IGN position. This releases the loader control spool interlocks.
  • Page 28 WORKING ARM - SINGLE ARM Lift bt97h014 Loader and Ground Drive Linkage (1) Rod Length From Center Line to Center Line of Ball (3) Link from Pump Lever to Ground Drive Shaft Joints 185 - mm (7.28 - in) (2) Rod Length From Center Line to Center Line of Ball (4) Outer Control Rod Joints 233 - mm (9.17 - in) 1 04/05/2005...

  • Page 29: Control Valve - Remove (H.40.B.13 - F.10.A.10)

    WORKING ARM - SINGLE ARM Lift Control valve - Remove (H.40.B.13 - F.10.A.10) 435, 445, 445CT Place a shop towel under the loader control valve. Remove the cap from the hydraulic reservoir. Reservoir - Apply vacuum (A.10.A.22 - F.35.A.50) Connect a vacuum pump to the hydraulic reservoir.
  • Page 30 WORKING ARM - SINGLE ARM Lift Loosen and remove the mounting bolts from the loader control valve. BD04C144 Remove the loader control valve from the machine. 1 04/05/2005 H.40.B / 28...

  • Page 31: Control Valve - Install (H.40.B.13 - F.10.A.15)

    WORKING ARM - SINGLE ARM Lift Control valve - Install (H.40.B.13 - F.10.A.15) 435, 445, 445CT Install the loader control valve into the mounting location on the machine. Install the mounting bolts and washers into the mounting holes on the loader control valve. Tighten the mounting bolts.
  • Page 32 WORKING ARM - SINGLE ARM Lift Tighten all the tube and hose fittings. Stop the vacuum pump. Disconnect the vacuum pump from the hydraulic reservoir and install the filler cap on the reservoir filler neck. Using the reference tags from disassembly, connect all of the electrical connections to the correct locations on the loader control valve.

  • Page 33: Ride Control Valve

    WORKING ARM - SINGLE ARM Lift Ride control valve - Remove (H.40.B.14 - F.10.A.10) 435, 445, 445CT Remove the cap from the hydraulic reservoir. CAS1871 Connect a vacuum pump to the hydraulic reservoir. CAS10192 Reservoir - Apply vacuum (A.10.A.22 - F.35.A.50) Start the vacuum pump.
  • Page 34 WORKING ARM - SINGLE ARM Lift bs04d013 Ride Control Valve Installation 1. Hydraulic connections 3. Electrical harness 2. Ride control valve 4. Mounting bolts 1 04/05/2005 H.40.B / 32...

  • Page 35: Ride Control Valve - Install (H.40.B.14 - F.10.A.15)

    WORKING ARM - SINGLE ARM Lift Ride control valve - Install (H.40.B.14 - F.10.A.15) 435, 445, 445CT Install the Ride Control Valve (2) into the chassis mounting location. Install the mounting bolts (4) into the Ride Control Valve and tighten the mounting bolts (4).
  • Page 36 WORKING ARM - SINGLE ARM Lift bs04d013 Ride Control Valve Installation 1. Hydraulic connections 3. Electrical harness 2. Ride control valve 4. Mounting bolts 1 04/05/2005 H.40.B / 34...

  • Page 37: Relief Valve

    WORKING ARM - SINGLE ARM Lift Relief valve - Pressure test (H.40.B.16 - F.40.A.30) 435, 445, 445CT PRIMARY HYDRAULIC POWER SYSTEM - Special tools (A.10.A - D.20.A.40) Park the machine on a level surface. Lower all attachments to the floor.

  • Page 38: Relief Valve - Flow Test (H.40.B.16 - F.40.A.45)

    WORKING ARM - SINGLE ARM Lift Relief valve - Flow test (H.40.B.16 - F.40.A.45) 435, 445, 445CT Prior operation: Relief valve - Flow test (A.10.A.16 - F.40.A.45) Start the engine and run the engine at 2300 r/min (rpm). Hold the lift control lever in the LIFT position and adjust the pressure valve on the flowmeter until the...

  • Page 39: Cylinder - Disassemble (H.40.B.26 - F.10.A.25)

    WORKING ARM - SINGLE ARM Lift Cylinder - Disassemble (H.40.B.26 - F.10.A.25) 435, 445, 445CT Clean the outside of the cylinder. If the hoses were removed from the cylinder, remove the hoses. Fasten the tube in a vise, or other holding equipment can be used.
  • Page 40 WORKING ARM - SINGLE ARM Lift BT97F009 Loader Lift Cylinder 1. Tube 7. Wiper 13. Wear ring 2. Bushing 8. Seal (kit) 14. Wear ring 3. Piston Rod 9. O-ring 15. Washer 4. Bushing 10. Backup ring 16. Bolt 5. Packing gland 11.
  • Page 41 WORKING ARM - SINGLE ARM Lift 1 04/05/2005 H.40.B / 39...

  • Page 42: Cylinder - Visual Inspection (H.40.B.26 - F.40.A.10)

    WORKING ARM - SINGLE ARM Lift Cylinder - Visual inspection (H.40.B.26 - F.40.A.10) 435, 445, 445CT BT97F009 Loader Lift Cylinder 1. Tube 7. Wiper 13. Wear ring 2. Bushing 14. Ring 8. Seal (kit) 3. Piston rod 9. Backup ring 15.
  • Page 43 WORKING ARM - SINGLE ARM Lift Inspect the piston rod (3). Ensure that the piston rod is straight. If the piston rod is damaged or not straight, replace with new parts as required. In a rotary motion, use an emery cloth with medium grit to remove small scratches on the inside of the tube (1).

  • Page 44: Cylinder - Assemble (H.40.B.26 - F.10.A.20)

    WORKING ARM - SINGLE ARM Lift Cylinder - Assemble (H.40.B.26 - F.10.A.20) 435, 445, 445CT NOTE: If a new gland is being installed, put the part number of the cylinder on the new gland. Before assembly, lubricate the rod and the cylinder bore with hydraulic oil.
  • Page 45 WORKING ARM - SINGLE ARM Lift Lubricate a new wear ring with clean hydraulic oil. Slide the new wear ring into the end groove on the opposite end of the piston. Lubricate the inside of the tube and the piston with clean hydraulic oil.

  • Page 46: Accumulator - Remove (H.40.B.30 - F.10.A.10)

    WORKING ARM - SINGLE ARM Lift Accumulator - Remove (H.40.B.30 - F.10.A.10) 435, 445, 445CT WARNING M386 - DO NOT attempt to disassemble any accumulator until the nitrogen charge is properly discharged. IMPORTANT: Follow the procedure for Depressurizing an Accumulator Accumulator - Depressurising (H.40.B.30 - F.35.A.51) before attempting to remove the accumulator from the machine.
  • Page 47 WORKING ARM - SINGLE ARM Lift bs04d011 Ride Control Accumulator 1. Hose connection 3. Clamps 5. Ride control valve 2. Accumulator 4. Electrical harness 1 04/05/2005 H.40.B / 45...
  • Page 48 WORKING ARM - SINGLE ARM Lift bs04d012 Ride Control Chassis Installation 1. Ride control accumulator 2. Ride control valve 1 04/05/2005 H.40.B / 46...

  • Page 49: Accumulator - Install (H.40.B.30 - F.10.A.15)

    WORKING ARM - SINGLE ARM Lift Accumulator - Install (H.40.B.30 - F.10.A.15) 435, 445, 445CT Install the accumulator (2) into the chassis mounting location. Install the clamps (3) around the accumulator (2) and tighten the clamps (3). Start the vacuum pump.
  • Page 50 WORKING ARM - SINGLE ARM Lift Ride Control Accumulator 1. Hose connection 5. Ride control valve 3. Clamps 2. Accumulator 4. Electrical harness Stop the vacuum pump. Remove the vacuum pump from the hydraulic reservoir. Install the filler cap on the reservoir. Follow the procedure for Accumulator Charging with dry nitrogen.
  • Page 51 WORKING ARM - SINGLE ARM Lift 1 04/05/2005 H.40.B / 49...

  • Page 52: Accumulator - Charging (H.40.B.30 - F.60.A.30)

    WORKING ARM - SINGLE ARM Lift Accumulator - Charging (H.40.B.30 - F.60.A.30) 435, 445, 445CT BS04D005 NOTE: Check the pressure in the accumulator according to the instructions in this section. Keep the nitrogen charging kit connected to the accumulator. Turn valve (A) counterclockwise until it is closed.
  • Page 53 WORKING ARM - SINGLE ARM Lift Install the cap on the valve stem. Install the guard and cap screws. 1 04/05/2005 H.40.B / 51...

  • Page 54: Accumulator - Depressurising (H.40.B.30 - F.35.A.51)

    WORKING ARM - SINGLE ARM Lift Accumulator - Depressurising (H.40.B.30 - F.35.A.51) 435, 445, 445CT IMPORTANT: Do not attempt to disassemble any accumulator until the nitrogen charge is properly discharged. IMPORTANT: To help prevent equipment damage, the low pressure gauge (valve C) must be shut "Off" during high pressure (150 psi/10 bar and above) applications.

  • Page 55: Accumulator - Disassemble (H.40.B.30 - F.10.A.25)

    WORKING ARM - SINGLE ARM Lift Accumulator - Disassemble (H.40.B.30 - F.10.A.25) 435, 445, 445CT Fasten the accumulator tube in a vise with soft jaws. Be careful not to damage the tube. IMPORTANT: The gland with the gas valve must be removed first.

  • Page 56: Accumulator - Visual Inspection (H.40.B.30 - F.40.A.10)

    WORKING ARM - SINGLE ARM Lift Accumulator - Visual inspection (H.40.B.30 - F.40.A.10) 435, 445, 445CT BS96H067 1. Tube 5. Quad ring 9. Guard 13. Body 2. Gland with gas valve 6. O-ring 10. Gas valve assembly 14. Gland without gas valve 3.
  • Page 57 WORKING ARM - SINGLE ARM Lift Inspect the piston (3). Check to see if it is worn or damaged. If the piston is worn or damaged, replace with a new accumulator. Inspect the gland ends of the tube (1) for sharp edges.

  • Page 58: Accumulator - Assemble (H.40.B.30 - F.10.A.20)

    WORKING ARM - SINGLE ARM Lift Accumulator - Assemble (H.40.B.30 - F.10.A.20) 435, 445, 445CT BS96H068 1. Tube 5. Quad ring 9. Guard 13. Body 2. Gland with gas valve 6. O-ring 10. Gas valve assembly 14. Gland without gas valve 3.
  • Page 59 WORKING ARM - SINGLE ARM Lift If used, install a new back ring (7) on the gland (2). Make sure the backup ring is installed. Follow the same procedure for the non-gas valve end of the tube. Install the O-ring (6) next to the backup ring (7). If a backup ring is not used, install an O-ring in the groove on the gland.

  • Page 60: Accumulator - Pressure Test (H.40.B.30 - F.40.A.30)

    WORKING ARM - SINGLE ARM Lift Accumulator - Pressure test (H.40.B.30 - F.40.A.30) 435, 445, 445CT BS04D004 Ensure that the oil side of the accumulator is completely discharged. Put the ride control switch in the "On" position. Lower the loader to the floor. Put the loader control lever in the "Float"...
  • Page 61 WORKING ARM - SINGLE ARM Lift Make sure that valve (D) is open. Turn the stem into valve (F) and read the pressure on gauge (E). The pressure must be 275 - 325 psi (1897 - 2241 kPa, 19 - 23 bar). If the pressure is too low, charge the accumulator with dry nitrogen.
  • Page 62 Index WORKING ARM - H SINGLE ARM Lift - 40.B Accumulator - Assemble (H.40.B.30 - F.10.A.20) 435, 445, 445CT Accumulator - Charging (H.40.B.30 - F.60.A.30) 435, 445, 445CT Accumulator - Depressurising (H.40.B.30 - F.35.A.51) 435, 445, 445CT Accumulator - Disassemble (H.40.B.30 - F.10.A.25) 435, 445, 445CT Accumulator - General specification (H.40.B.30 - D.40.A.10)
  • Page 63 SINGLE ARM Lift - Install (H.40.B - F.10.A.15) 435, 445, 445CT SINGLE ARM Lift - Remove (H.40.B - F.10.A.10) 435, 445, 445CT SINGLE ARM Lift - Visual inspection (H.40.B - F.40.A.10) 435, 445, 445CT 39750 1 04/05/2005 H.40.B / 61...
  • Page 64 39750 1 04/05/2005 H.40.B / 62...
  • Page 65 WORKING ARM - H SINGLE ARM TOOL ATTACHMENT Tilt - 50.C 445CT 39751 1 04/05/2005 H.50.C / 1...
  • Page 66 435, 445 Control valve - General specification (H.50.C.13 - D.40.A.10) 445CT Cylinder Cylinder - Torque (H.50.C.26 - D.20.A.10) 435, 445, 445CT Relief valve Relief valve - General specification (H.50.C.17 - D.40.A.10) 435, 445 Relief valve - General specification (H.50.C.17 - D.40.A.10)

  • Page 67: Control Valve - General Specification (H.50.C.13 - D.40.A.10)

    Anti-Void Control valve - General specification (H.50.C.13 - D.40.A.10) 445CT Port Relief Valve Cartridge Pressures at 2.84 L/min (0.75 US gpm) 450CT Machines 445CT Machines Port A1 26200 kPa (3800 psi) 26200 kPa (3800 psi) Port B1 21734 kPa (3100 psi)

  • Page 68: Cylinder - Torque (H.50.C.26 - D.20.A.10)

    WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Cylinder - Torque (H.50.C.26 - D.20.A.10) 435, 445, 445CT Piston Bolt Torque Loader Bucket Cylinder 585 - 720 Nm (432 - 531 lb ft) Packing Gland Torque Loader Bucket Cylinder 407 Nm ± 68 Nm (300 lb ft ± 50 lb ft) 1 04/05/2005 H.50.C / 4...

  • Page 69: Relief Valve

    Anti-Void Relief valve - General specification (H.50.C.17 - D.40.A.10) 445CT Port Relief Valve Cartridge Pressures at 2.84 L/min (0.75 US gpm) 450CT Machines 445CT Machines Port A1 26200 kPa (3800 psi) 26200 kPa (3800 psi) Port B1 21734 kPa (3100 psi)

  • Page 70: Cylinder - Sectional View (H.50.C.26 - C.10.A.30)

    WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Cylinder - Sectional view (H.50.C.26 - C.10.A.30) 435, 445, 445CT BT97F007 Cross Section View of a Tilt Bucket Cylinder 1. Tube 11. Wiper 6. Seal 2. Hardened washer 7. Wear ring 12. Piston rod end 3.

  • Page 71: Single Arm Tool Attachment Tilt - Cleaning (H.50.C - F.30.A.10)

    WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt SINGLE ARM TOOL ATTACHMENT Tilt - Cleaning (H.50.C - F.30.A.10) 435, 445, 445CT Contamination in the hydraulic system is a major cause of the malfunction of hydraulic components. Contamination is any foreign material in the hydraulic oil.
  • Page 72 WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Visible contamination is foreign material that can be found by sight, touch, or odor. Visible contamination can cause a sudden failure of components. Examples of visible contamination: (A) Particles of metal or dirt in the oil. (B) Air in the oil.
  • Page 73 WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Start the vacuum pump. The hydraulic reservoir is locate3d on the left rear side of the machine. Loosen and remove the drain plug from the reservoir. Using the fitting kit CAS10508, install the valve in the hole for the drain plug.
  • Page 74 WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Stop the vacuum pump. Disconnect the vacuum pump from the opening in the reservoir. Install new hydraulic and hydrostatic filter elements on the machine. Start the engine. Check for oil leakage around the new hydraulic and hydrostatic filters.

  • Page 75: Single Arm Tool Attachment Tilt - Decontaminating (H.50.C - F.30.A.60)

    WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt SINGLE ARM TOOL ATTACHMENT Tilt - Decontaminating (H.50.C - F.30.A.60) 435, 445, 445CT Start and run the engine at 1500 rpm (r/min). Completely retract the cylinders of all attachments on the machine. Angle the blade to the right, the right cylinder will be fully retracted and the left will be fully extended.
  • Page 76 WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Slowly and completely extend all cylinders. As the piston rod comes in/out of the cylinder, oil will be pushed out of the OPEN end of the cylinders. IMPORTANT: Any attachment or part of an attachment that is raised must be supported with acceptable equipment to prevent the attachment from falling.

  • Page 77: Control Valve - Remove (H.50.C.13 - F.10.A.10)

    WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Control valve - Remove (H.50.C.13 - F.10.A.10) 435, 445, 445CT For loader control valve removal refer to the following procedure.Control valve - Remove (H.40.B.13 - F.10.A.10) 1 04/05/2005 H.50.C / 13...

  • Page 78: Control Valve - Install (H.50.C.13 - F.10.A.15)

    WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Control valve - Install (H.50.C.13 - F.10.A.15) 435, 445, 445CT For loader control valve installation refer to the following procedure. Control valve - Install (H.40.B.13 - F.10.A.15) 1 04/05/2005 H.50.C / 14...

  • Page 79: Cylinder - Disassemble (H.50.C.26 - F.10.A.25)

    WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Cylinder - Disassemble (H.50.C.26 - F.10.A.25) 435, 445, 445CT Clean the outside of the cylinder. If the hoses were removed from the cylinder, remove the hoses. Fasten the tube in a vise or other holding equipment can be used.
  • Page 80 WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt BT97F010 Loader Bucket Cylinder 1. Tube 7. Wiper 13. Wear ring 2. Bushing 8. Seal (kit) 14. Washer 3. Piston rod 9. O-ring 15. Bolt 4. Bushing 10. Backup ring 16. Grease fitting 5.
  • Page 81 WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt 1 04/05/2005 H.50.C / 17...

  • Page 82: Cylinder - Visual Inspection (H.50.C.26 - F.40.A.10)

    WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Cylinder - Visual inspection (H.50.C.26 - F.40.A.10) 435, 445, 445CT BT97F010 Loader Bucket Cylinder 1. Tube 7. Wiper 13. Wear ring 2. Bushing 8. Seal (kit) 14. Washer 3. Piston Rod 9. O-ring 15.
  • Page 83 WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Inspect the piston rod (3). Ensure that the piston rod is straight. If the piston rod is not straight or damaged, replace with new parts as required. In a rotary motion, use an emery cloth with medium grit to remove small scratches on the inside of the tube (1).

  • Page 84: Cylinder - Assemble (H.50.C.26 - F.10.A.20)

    WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Cylinder - Assemble (H.50.C.26 - F.10.A.20) 435, 445, 445CT NOTE: If a new gland is being installed, put the part number of the cylinder on the new gland. Lubricate all components with hydraulic oil.
  • Page 85 WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Lubricate the inside of the tube and the piston with clean hydraulic oil. Use a piston ring compression tool to hold the new wear ring in place. Push the tube straight onto the piston. Start the tube onto the piston rod assembly.

  • Page 86: Relief Valve - Pressure Test (H.50.C.17 - F.40.A.30)

    WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Relief valve - Pressure test (H.50.C.17 - F.40.A.30) 435, 445, 445CT PRIMARY HYDRAULIC POWER SYSTEM - Special tools (A.10.A - D.20.A.40) Park the machine on a level surface. Lower all attachments to the floor.

  • Page 87: Relief Valve - Flow Test (H.50.C.17 - F.40.A.45)

    WORKING ARM - SINGLE ARM TOOL ATTACHMENT Tilt Relief valve - Flow test (H.50.C.17 - F.40.A.45) 435, 445, 445CT Prior operation: Relief valve - Flow test (A.10.A.16 - F.40.A.45) Start the engine and run the engine at 2300 r/min (rpm).
  • Page 88 435, 445 Control valve - General specification (H.50.C.13 - D.40.A.10) 445CT Control valve - Install (H.50.C.13 - F.10.A.15) 435, 445, 445CT Control valve - Remove (H.50.C.13 - F.10.A.10) 435, 445, 445CT Cylinder - Assemble (H.50.C.26 - F.10.A.20) 435, 445, 445CT Cylinder - Disassemble (H.50.C.26 - F.10.A.25)
  • Page 89 39751 1 04/05/2005 H.50.C / 25...
  • Page 90 All rights reserved. No part of the text or illustrations of this publication may be reproduced. Case Corporation reserves the right to make improvements in design or changes in specifications at any time without incurring any obligation to install them on units previously sold.

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