52
Hydraulic lifting rod installation
：
——Hydraulic lifting rod size
：
Unit
：
mm
Grade
Lifting rod
outside diameter
Cylinder head
lifting rod hole
diameter
clearance
Standard
Φ22.200—Φ22.212
Φ22.25
±
0.015
0.023—0.065
T25
Φ22.454—Φ22.466
Φ22.50
±
0.015
0.023—0.065
——Apply hyperbolical gear lubricant or engine oil on lifting rod, lifting rod outside diameter and lifting
rod ends, install lifting rods in original order into the holes in the cylinder head.
5. Camshaft and camshaft thrust spacer removal and installation r
emoval
：
—
—Measure camshaft end play
，
clearance should be 0.049—0.129mm.
——Loosen thrust washer bolt
，
remove thrust washer bolt(as shown in diagram).
——Remove thrust washer.
——Pull camshaft assembly out from the rear end of cylinder head
，
don't damage the
camshaft hole in Cylinder head.
Inspection
：
——Check camshaft cam and journal for wear
，
if worn out, replace it.
——If camshaft end play exceeds specification, replace thrust washer.
——Measure the diameter of the camshaft hole in cylinder head
，
or check journal to hole
movement with camshaft
，
if hole is worn excessively, camshaft may only be replaced.
——Cam height
：
Unit
：
mm
Intake cam
T
Exhaust cam
T
480
38.602
37.586
480E
37.559
37.559
Fig.57
Fig.58
Fig.59
Note
：
480 camshaft may only be used on 480M.
