Cat C13 Valve Adjustment Manual Rating: 8,2/10 6443 reviews

Also for: C9. CAT Complete Overhead And Valve Adjustment. To do a complete C15 or 3406 Valve Adjustment. On C10 C11 C12 C13 and some C15 Cat. View and Download Caterpillar C7 operation and maintenance manual. Transit Bus Engines SAFETY.CAT. After the engine valve lash adjustment is. C13 Cat Engine Manual Read/Download C13 CAT ENGINE. BELT DIAGRAM.

  • Cat 3PC Valves are a great example. Depending on the configuration, priority can be assigned to one function over another. Their sectional design allows valves to be configured with two to nine sections. This offers great versatility, giving you the ability to specify a valve.
  • C13 valve train like it's earlier cousin the 3176 has valve train issues. Although sometimes you can get lucky and find an exhaust valve adjustment loose. If the adjustment is loose it won't allow the cylinder to purge the exhaust gases completely on the exhaust stroke and some remains trapped in the cylinder until the intake valve opens and it.

Usage:

980LD8Z

To prevent possible injury, do not use the starter to turn the flywheel.

Hot engine components can cause burns. Allow additional time for the engine to cool before measuring valve clearance.

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This engine uses high voltage to control the fuel injectors.

Disconnect electronic fuel injector enable circuit connector to prevent personal injury.

Do not come in contact with the fuel injector terminals while the engine is running.

Cat C13 Valve Adjustment

Note: Valve lash is measured between the rocker arm and the valve bridge. All measurements and adjustments must be made with the engine stopped and the valves fully closed.

Mechanical Electronic Injector Unit (MEIU) and Valve Lash Adjustment

  1. Put the number 1 piston at Top Dead Center (TDC) on the compression stroke. Refer to the Testing and Adjusting, Finding Top Center Position No. 1 Piston.

    Note: To check that the number 1 piston is on TDC, both the inlet and exhaust valves on cylinder number 1 will move freely. If the valves do not move freely, cylinder number 1 is on TDC of the exhaust stroke. Install the timing pin in the flywheel.

    Table 1
    TDC No. 1 Compression StrokeInlet ValvesExhaust Valves
    Valve Lash C11 and C13
    0.38 ± 0.08 mm(0.015 ± 0.003 inch)    		C11 and C13
    0.635 ± 0.08 mm(.025 ± 0.003 inch)
    Cylinders 1–2–4 1–3–5
  2. Adjust the valve lash using the specifications from Table 1.
    1. Lightly tap the rocker arm with a soft mallet.

      Note: This ensures that the roller lifter seats against the base circle of the camshaft.

    2. Loosen the adjustment locknut for the appropriate valves.
    3. Place the feeler gauge between the rocker arm and the valve bridge.
    4. Turn the adjustment screw in a clockwise direction while sliding the feeler gauge back and forth between the rocker arm and valve bridge. Continue turning the adjustment screw in a clockwise direction until a slight drag is felt on the feeler gauge.
    5. Tighten the adjustment locknut to 30 ± 7 N·m(22 ± 5 lb ft).

      Note: Do not allow the adjustment screw to turn while torquing the locknut.

    6. Recheck the valve lash after tightening the adjustment locknut. Remove the feeler gauge.
  3. Follow the steps below to set the mechanical unit injectors on TDC of number 1 piston compression stroke.

    Note: Injectors for cylinders 3, 5, and 6 can be adjusted at TDC of number 1 piston compression stroke.

    1. Loosen the adjustment locknut for the injector.
    2. Turn the adjustment screw clockwise until the screw contacts the mechanical electronic unit injector.
    3. Turn the adjustment screw an additional two turns clockwise to push all of the fuel out of the injector plunger.

      Note: The additional turns will ensure the injector pre-load is set accurately.

    4. Turn the adjustment screw counter-clockwise for 2.5 turns.
    5. Turn the adjustment screw clockwise until the screw contacts the injector.
    6. Turn the screw clockwise an additional 180 degrees or half turn.
    7. Tighten the locknut to 55 ± 10 N·m(41 ± 7 lb ft) while not allowing the adjustment screw to turn for C13 engines. Tighten the locknut to 100 ± 10 N·m(74 ± 7 lb ft) while not allowing the adjustment screw to turn for C15 and C18 engines
  4. Remove the timing pin and rotate the engine 360 degrees in the direction of engine rotation. This will put the engine at TDC of number 6 piston. Pin the flywheel with the timing pin.

    Note: To check that the number 1 piston is on TDC, both the inlet and exhaust valves on cylinder number 6 will move freely. If the valves do not move freely, cylinder number 6 is on TDC of the exhaust stroke. Install the timing pin in the flywheel.

    Show/hide table
    Table 2
    TDC No. 6 Compression StrokeInlet ValvesExhaust Valves
    Valve Lash C11 and C13
    0.38 ± 0.08 mm(0.015 ± 0.003 inch)    		C11 and C13
    0.635 ± 0.08 mm(.025 ± 0.003 inch)
    Cylinders 3–5–6 2–4–6
  5. Adjust the valve lash using the specifications from Table 2.
    1. Lightly tap the rocker arm with a soft mallet.

      Note: This ensures that the roller lifter seats against the base circle of the camshaft.

    2. Loosen the adjustment locknut for the appropriate valves.
    3. Place the feeler gauge between the rocker arm and the valve bridge.
    4. Turn the adjustment screw in a clockwise direction while sliding the feeler gauge back and forth between the rocker arm and valve bridge. Continue turning the adjustment screw in a clockwise direction until a slight drag is felt on the feeler gauge.
    5. Tighten the adjustment locknut to 30 ± 7 N·m(22 ± 5 lb ft).

      Note: Do not allow the adjustment screw to turn while torquing the locknut.

    6. Recheck the valve lash after tightening the adjustment locknut. Remove the feeler gauge.
  6. Follow the steps below to set the mechanical unit injectors on TDC of number 6 piston compression stroke.

    Note: Injectors for cylinders 1, 2, and 4 can be adjusted at TDC of number 6 piston compression stroke.

    1. Loosen the adjustment locknut for the injector.
    2. Turn the adjustment screw clockwise until the screw contacts the mechanical electronic unit injector.
    3. Turn the adjustment screw an additional two turns clockwise to push all of the fuel out of the injector plunger.

      Note: The additional turns will ensure the injector pre-load is set accurately.

    4. Turn the adjustment screw counter-clockwise for 2.5 turns.
    5. Turn the adjustment screw clockwise until the screw contacts the injector.
    6. Turn the screw clockwise an additional 180 degrees or half turn.
    7. Tighten the locknut to 55 ± 10 N·m(41 ± 7 lb ft) while not allowing the adjustment screw to turn for C13 engines. Tighten the locknut to 100 ± 10 N·m(74 ± 7 lb ft) while not allowing the adjustment screw to turn for C15 and C18 engines
  7. Reinstall the timing pin cover and valve covers. Refer to the Disassembly and Assembly manual.

Variable Valve Actuator Lash Adjustment (If Equipped)

Table 3
Top Dead Center (TDC) No. 6 Piston Compression Stroke
Compression Brake LashC13
0.711 ± 0.05 mm(0.028 ± 0.002 inch)
Cylinders2–4–6
  1. Adjust the compression brake lash using the specifications from Table 3.
    1. Loosen the adjustment screw locknut. Turn the screw clockwise until contact is made with the exhaust rocker arm.
    2. Turn the adjustment screw counter-clockwise two full turns or until the compression brake rod is no longer contacting the exhaust rocker arm.

      Note: This process will ensure that all of the oil is out of the cylinder for the compression brake.

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    3. Install the feeler gauge between the brake piston and the exhaust rocker arm.
    4. Turn the adjustment screw clockwise while sliding the feeler gauge back and forth between the brake piston and rocker arm. Continue turning the adjustment screw in a clockwise direction until a slight drag is felt on the feeler gauge.
    5. Leave the feeler gauge between the brake piston and rocker arm. Tighten the adjustment locknut to 15 ± 3 N·m(11 ± 2 lb ft).

      Note: Do not allow the adjustment screw to turn while torquing the locknut.

    6. Recheck the valve lash after tightening the adjustment locknut. Remove the feeler gauge.
  2. Remove the timing pin and rotate the engine 360 degrees in the direction of engine rotation. This will put the engine at TDC of number 1 piston. Pin the flywheel with the timing pin.
    Show/hide table
    Table 4
    Top Dead Center (TDC) No. 1 Piston Compression Stroke
    Compression Brake LashC13
    0.711 ± 0.05 mm(0.028 ± 0.002 inch)
    Cylinders1–3–5
  3. Adjust the compression brake lash using the specifications from Table 4.
    1. Loosen the adjustment screw locknut. Turn the screw clockwise until contact is made with the exhaust rocker arm.
    2. Turn the adjustment screw counter-clockwise two full turns or until the compression brake rod is no longer contacting the exhaust rocker arm.

      Note: This process will ensure that all of the oil is out of the cylinder for the compression brake.

    3. Install the feeler gauge between the brake piston and the exhaust rocker arm.
    4. Turn the adjustment screw clockwise while sliding the feeler gauge back and forth between the brake piston and rocker arm. Continue turning the adjustment screw in a clockwise direction until a slight drag is felt on the feeler gauge.
    5. Leave the feeler gauge between the brake piston and rocker arm. Tighten the adjustment locknut to 15 ± 3 N·m(11 ± 2 lb ft).

      Note: Do not allow the adjustment screw to turn while torquing the locknut.

  4. Recheck the valve lash after tightening the adjustment locknut. Remove the feeler gauge.
  5. Reinstall the timing pin cover and valve covers. Refer to the Disassembly and Assembly manual.
If you are performing any repair or overhaul on this Cat engine, you need the proper information in order to ensure you can perform the job correctly. This manual provides:
  • A complete, step-by-step explanation of how the the various systems work, along with pictures/diagrams
  • Provides the technician the information needed to perform each test properly. Shortens diagnostic time & enhances work quality
  • Provides all the correct procedures.
Cat c13 acert valve adjustment
This manual is printed by the Caterpillar print shop so you can be sure the information is correct.
Factory printed manual. OEM factory manual for the Caterpillar C11 & C13 model engine.

Aids the technician with:

  1. Systems operations
  2. Performing testing
  3. Adjusting procedures.
For engine with serial numbers starting with KCA & KCB.
Cat C13 Valve Adjustment Manual

Coverage:

Cat C13 Valve Adjustment Manual 2017

InjectorCat c13 valve adjustment procedure

Jacobs cream cracker challenge world record. System Operation Section

Cat C13 Injector Adjustment

  1. Engine Design
  2. General Info
  3. Electronic Control System Components
  4. Fuel System
  5. Inlet & Exhaust System
  6. Lubrication System
  7. Cooling System
  8. Electrical System

Testing & Adjusting Section

  1. Electronic Control System
  2. Fuel System
  3. Inlet & Exhaust System
  4. Lubrication System
  5. Cooling System
  6. Belt Tension Info
  7. Electrical System
  8. Block

Caterpillar C11 & C13 Systems Operations, Testing & Adjusting Manual

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