Nissan Note [324/334] Basic inspection

Nissan Note [324/334] Basic inspection
EM-324
[K9K]
BASIC INSPECTION
VALVE SPRING
The valve springs are tapered (ensure the correct direction of fitting).
WARNING:
This engine does not have any valve spring lower washers.
PISTON
INSPECTION OF VALVE CLEARANCE
1. Place the valves of the cylinder concerned at the “end of
exhaust - beginning of intake” position and inspect the clearance
(X).
NOTE:
Dimension (Y) corresponds to the tappet thickness sizes (there
are 25 sizes at the service parts).
2. Compare the values recorded with the values specified, then
replace the tappets which are not within tolerance.
3. The camshaft must be removed to replace the tappets.
Determining dimension “Y”.
4. Set up the following assembly using Tool KV113B0050 (Mot.
252-01) and dial gauge, then calibrate the gauge.
Free height: : 43.31 mm (1.7051 in)
Length under a load of
230 N (23.5 kg, 51.7 lb) : 33.80 mm (1.3307 in)
500 N (51.0 kg, 112.4 lb) : 24.80 mm (0.9764 in)
Joined spires: : 23.40 mm (0.9213 in)
Wire diameter: : 3.45 mm (0.1358 in)
Inner diameter:
Bottom : 18.78 - 18.82 mm
(0.7394 - 0.7409 in)
Top : 13.90 - 14.30 mm
(0.5472 - 0.5630 in)
Outer diameter:
Bottom : 25.50 - 25.90 mm
(1.0039 - 1.0197 in)
Top : 20.8 - 21.2 mm
(0.819 - 0.835 in)
MBIB0332E
Piston outer diameter : 34.965 - 34.985 mm (1.3766 - 1.3774 in)
Diameter of the housing in the cylinder head : 35.00 - 35.04 mm (1.3780 - 1.3795 in)
1
3
4
2
4
2
1
3
Clearance, when the engine is cold:
Intake : 0.125 - 0.25 mm (0.0049 - 0.0098 in)
Exhaust : 0.325 - 0.45 mm (0.0128 - 0.0177 in)
MBIB0333E
MBIB0334E

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