ENG
L-92
ENGINE INSPECTION AND REPAIR
4-20
ROCKER ARMS AND ROCKER ARM
SHAFTS INSPECTION
1. Inspect :
• Cam lobe contact surface ¿
• Adjuster surface À
Wear/pitting/scratches/blue discoloration Ÿ
Replace
ææææææææææææææææææææææææææææææææææ
Inspection steps :
• Inspect the two contact areas on the Rocker
Arms for signs of unusual wear.
• Rocker Arm Shaft hole
• Cam-lobe contact surface
Excessive wear Ÿ Replace
• Inspect the surface condition of the Rocker
Arm Shafts
Pitting/scratches/blue discoloration Ÿ Re-
place and check lubrication route
• Measure the inside diameter ç of the Rocker
Arm holes
Out of specification Ÿ Replace
• Measure the outside diameter è of the Rocker
Arm Shafts.
Out of specification Ÿ Replace
ææææææææææææææææææææææææææææææææææ
Inside diameter (Rocker Arm) :
10.000 ~ 10.015 mm
<Limit>:10.03 mm
Outside diameter(Rocker Arm
Shaft):
9.981 ~ 9.991 mm
<Limit> : 9.95 mm
