PISTON SKIRT O.D.
Measure and record the piston skirt O.D. at 10 mm (0.4 in) from the bottom, and 90° to the
piston pin hole.
Service limit
HRD535/K1/K2
HRA536 - HRD536/K1/K2
63.815 mm
67.845 mm
PISTON PIN BORE I.D.
Measure and record the piston pin bore I.D.
Service limit
HRD535/K1/K2
HRA536 - HRD536/K1/K2
13.048 mm
18.048 mm
PISTON PIN O.D.
Measure and record the piston pin O.D.
Service limit
HRD535/K1/K2
HRA536 - HRD536/K1/K2
12.954 mm
17.954 mm
CYLINDER I.D.
Measure and record the cylinder I.D.
Service limit
HRD535/K1/K2
HRA536 - HRD536/K1/K2
64.165 mm
68.165 mm
Subtract the piston O.D. from the cylinder I.D. to obtain the cylinder-to-piston clearance.
Service limit
0.09 mm
- 79 -
HRA536 - HRD535 - HRD536
- OIL PAN / DRIVE SHAFT / GOVERNOR