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2.7. Camshaft
2.7.1. Use the caliper to measure the
height of the camshaft. If it is below
the specified limits, make proper
replacement.
Camshaft Unit：mm /inch
Model
EF
Item ZL、RL
GL、GS、
ZS
Stan
dard
IN
φ23.0
-0.02
-0.033
/φ0.9055
-0.0008
-0.0013
EX
φ23.0
-0.02
-0.033
/φ0.9055
-0.0008
-0.0013
Limit
IN
φ22.9/φ0.9016
EX
φ22.9/φ0.9016
2.7.2. Checks on camshaft axial clearance
(1)、When the axial spacing is measured
with a clipper to be larger than the
benchmark value, the camshaft is to be
replaced. The air inlet camshaft axial
clearance is 0.1～0.170mm/0.0039～
0.0067inch。The air exhaust camshaft axial
spacing is 0.1 ～0.173mm/0.0039～
0.0068 inch。Limits for operation：
0.18mm/0.007 inch.
2.7.3. Checks on camshaft meshing
clearance
(1). Put camshaft into cylinder head
(2). Make sure the front mark on bearing
cover and shaft number is ok, and then
tighten bolt.
(3). Fix air inlet camshaft, and then
measure the clearance with dial indicator.
Attention: measure 4 points around gear
·use a special tool to rotate air inlet
camshaft.
·under the condition that the mark on
drive-gear match the mark on driven-gear
3. Installations
3.1. When using a special tool
3.1.1. Fix the two φ6 holes of the camshaft gear S/A.
3.1.2. Turn the slave gear to the right, match the mark
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