Camshaft, Tappet And Shim Inspection - Suzuki Liana RH413 Service Manual

1D-25 Engine Mechanical:
6) Install timing chain with crankshaft sprocket referring
to "Timing Chain and Chain Tensioner Removal and
Installation".
7) Install timing chain cover referring to "Timing Chain
Cover Removal and Installation".
8) Check valve lashes referring to "Valve Lash
(Clearance) Inspection".
9) Perform Steps 3) to 8) of "Installation" of "Timing
Chain Cover Removal and Installation".

Camshaft, Tappet and shim Inspection

Cam Wear
Using a micrometer, measure cam height "a". If
measured height is below its limit, replace camshaft.
Cam height "a"
Cam height Standard
Intake cam 44.919 – 45.079 mm
(1.768 – 1.775 in.)
Exhaust cam 44.399 – 44.559 mm
(1.748 – 1.754 in.)
Camshaft Runout
Set camshaft between two "V" blocks, and measure its
runout by using a dial gauge.
If measured runout exceeds the specified limit, replace
camshaft.
Camshaft runout limit
0.10 mm (0.0039 in.)
Camshaft Journal Wear
Check camshaft journals and camshaft housings for
pitting, scratches, wear or damage.
If any malcondition is found, replace camshaft or cylinder
head with housing. Never replace cylinder head without
replacing housings.
S3RH0A1406030
Check clearance by using gauging plastic. Checking
procedure is as follows.
1) Clean housings and camshaft journals.
Limit
44.80 mm
2) Remove all tappets with shims.
(1.764 in.)
3) Install camshaft to cylinder head.
44.28 mm
4) Place a piece of gauging plastic to full width of
(1.743 in.)
journal of camshaft (parallel to camshaft).
5) Install camshaft housing.
6) Tighten camshaft housing bolts in such order as
indicated in the figure a little at a time till they are
tightened to specified torque.
NOTE
Do not rotate camshaft while gauging plastic
is installed.
Tightening torque
Camshaft housing bolt (a): Tighten 11 N⋅m (1.1
kgf-m, 8.0 lb-ft) by the specified procedure
I2RH0B140080-01
I2RH0B140081-01
I2RH0B140082-01
I2RH0B140079-01