Industrial 1.6L Engine Mechanical 1-19
Inspect
1. Air outlet at: inlet or exhaust side, compensation tank
and crankcase housing. Max. difference in pressure be-
tween individual cylinders: 10%. The max. pressure loss
of a cylinder should not exceed 25%.
2. Check pressure loss at 3rd, 4th and 2nd cylinders analo-
gously. Bring piston of cylinder to be checked in ”ign.
TDC” position, ignition sequence: 1–3–4–2.
3. Determine ”ign. TDC” position by placing guide marks on
camshaft sprocket.
4. Further turn crankshaft 180° in engine rotational direction
(corresponds to 90° at camshaft sprocket) up to cam-
shaft sprocket guide mark and align toothed belt cover.
5. Determine the ”ign. TDC” position for 4th and 2nd cylin-
ders analogously. Turn crankshaft slowly and uniformly.
Installation Procedure
1. Install upper part of toothed belt cover – see operation
Toothed Belt Cover – Upper Part, Remove and Install.
2. Install park plugs in cylinder head using KM–194–E.
Tighten
Tightening torque of spark plugs is 25 Nm / 18.5 lb. ft.
3. Attach spark plug connector, fluid filler opening sealing
cap, coolant compensation tank sealing cap and oil dip
stick.
Oil Pressure Check
Removal Procedure
1. Disconnect wiring harness plug (1) from oil pressure
switch, remove oil pressure switch (2) – place collecting
basin underneath.
Inspect
1. Check oil pressure with KM–498–B (3) and KM–135 (4).
The oil pressure should be approx. 150 kPa (1.5 bar) at
idling speed with an oil temperature of 80 °C.
Installation Procedure
1. Attach oil pressure switch to oil pump with new seal ring.
Tighten
Tightening torque 30 Nm / 22 lb. ft.
2. Connect wiring harness plug to oil pressure switch.
3. Check engine oil level and correct if necessary.
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