Rocker Arm And Rocker Arm Shaft - Jianshe JS125-6B Maintenance Manual

Cam heave length
Intake:
A standard: 25.881-25.981mm
Limit:25.851mm
B standard: 21.195-21.295
Limit:21.165
Exhaust:
A standard:25.841-25.941
Limit:25.811
B standard:21.050-21.150
Limit: 21.02 mm
Out of specification
3. Check
Bearing
Clamping stagnation, shake

Rocker arm and rocker arm shaft

1. Check
Rocker arm and cam heave contact surface
Valve adjusting screw face
Wear, pit corrosion, scratching, bluing
and then check lubrication system
2. Measurement
Rocker arm inside diameter
Rocker arm inside diameter standard:
10.000-10.015mmUsed limit:10.030mm
Out of specification
3. Measurement
Rocker arm shaft outside diameter
Rocker shaft outside diameterStandard
value:9.981-9.991mmLimit:9.95mm
71
ENGINE
Replace
Replace
Replace,
Replace