Manual

Engine Maintenance And Servicing Manual
Hydraulic lifting rod installation：
——Hydraulic lifting rod size：
——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.
4.Camshaft and camshaft thrust spacer removal and installation
Removal：
——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：
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
Intake cam T Exhaust cam T
480E 37.559 37.559
Fig.31
Fig.32
Fig.33
Unit：mm
Fig.34
Note：480 camshaft may only be used on 480M.
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