Gear Housing - Cleaning and Inspection for Reuse (1-21) Section 1 - Cylinder Block - Group 01 M11 Page 1-62 Measure the piston pin outside diameter and length. Piston Pin O.D. mm in 53.997 MIN 2.1259 54.003 MAX 2.1261 Piston Pin Length mm in 101.70 MIN 4.0039 102.00 MAX 4.0157 To check the ring gap, install the piston rings in the wear area of the cylinder liner in which they will be used. Use a feeler gauge to measure the ring gap. Replace the ring if it does not meet the following specifications.
Piston Ring Gap mm in Top 0.46 0.71 MIN MAX 0.018 0.028 Intermediate 0.76 1.14 MIN MAX 0.030 0.045 Oil 0.25 0.64 MIN MAX 0.010 0.025 Gear Housing - Cleaning and Inspec- tion for Reuse (1-21) Cleaning Use bearing puller kit, Part No. 3823774, to remove the hydraulic pump needle bearing from the gear housing. Use bearing driver kit, Part No. 3824117, to remove the water pump drive needle bearing. Warning: When using a steam cleaner, wear protective clothing and safety glasses or a face shield. Hot steam can cause serious personal injury. Use steam or solvent to clean the gear housing and dry with compressed air.