C6.6 Industrial Engine Rocker Shaft - Disassemble Caterpillar


Rocker Shaft - Disassemble
`
1.1. Disassembly Procedure

Disassembly Procedure

Start By:

  1. Remove the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.


------ WARNING! ------

Personal injury can result from being struck by parts propelled by a released spring force.

Make sure to wear all necessary protective equipment.

Follow the recommended procedure and use all recommended tooling to release the spring force.


  1. Make an identification mark on each rocker arm assembly in order to show the location.

    Note: The components must be reinstalled in the original location. Do not interchange components.



    Illustration 1g02443498

  2. Remove rocker arm assembly (5) for the exhaust valve from rocker shaft (7). Remove rocker arm assembly (4) for the inlet valve from rocker shaft (7).

    Note: The rocker arm assembly for the inlet valve is longer than the rocker arm assembly for the exhaust valve.

  3. Remove spring (9) from the rocker shaft. Remove retaining clip (8) from rocker shaft (7).

  4. Repeat Step 2 through Step 3 in order to remove the remaining rocker arms from rocker shaft (7).

  5. If necessary, remove retaining clip (2) and spring (3) from the rocker shaft.

  6. If necessary, follow Step 6.a through Step 6.c in order to remove threaded inserts (1) from the rocker arms.

    1. Make a temporary identification mark on each threaded inserts (1) in order to show the location.

      Note: The components must be reinstalled in the original location. Do not interchange components.

    2. Remove guide (6) from threaded inserts (1).

    3. Remove threaded inserts (1) from the rocker arms.

Information System:

C6.6 Industrial Engine Rocker Shaft and Pushrod - Remove
C13 Engines for Caterpillar Built Machines Temperature Sensor (DPF Inlet, Flame Detect)
C6.6 Industrial Engine Valve Mechanism Cover - Remove and Install
C6.6 Industrial Engine Crankcase Breather - Install
C6.6 Industrial Engine Crankcase Breather - Remove
C6.6 Industrial Engine Accessory Drive - Remove and Install - Accessory Drive SAE "B"
C6.6 Industrial Engine Accessory Drive - Remove and Install - Accessory Drive SAE "A"
C6.6 Industrial Engine Housing (Front) - Install - Heavy Duty Housing (Front)
C6.6 Industrial Engine Housing (Front) - Install
2010/05/13 The Gas Strut on Backhoe Loader Steering Columns Has Been Improved {4309, 4310, 4338}
C6.6 Industrial Engine Housing (Front) - Remove - Heavy Duty Housing (Front)
C6.6 Industrial Engine Housing (Front) - Remove
MP15, MP20, MP30 and MP40 Multi-Processors Wear Tip - Inspect/Replace
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems Pilot Valve (Travel) - Disassemble
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems Pilot Valve (Travel) - Assemble
Removing the 2W-1055 Elbow {1307}
349E Excavator Hydraulic System Specifications
C15 and C18 Engines for Caterpillar Built Machines Exhaust Elbow - Remove and Install
324E Excavator Declaration of Conformity
C9.3 Engines for Caterpillar Built Machines Exhaust Cooler (NRS) - Remove and Install
C6.6 Industrial Engine Rocker Shaft - Assemble
C6.6 Industrial Engine Rocker Shaft and Pushrod - Install
C6.6 Industrial Engine Cylinder Head - Remove
C6.6 Industrial Engine Cylinder Head - Install