INSPECTION AND REPAIR OF BASIC ENGINE
6-10
3.6 Measuring cam lift
Measure the major axis of each cam. If it is less than the
limit, replace the camshaft with a new one.
Measuring camshaft cam height
3.7 Measuring cam height of fuel injection
pump camshaft
Measure the cam height. Replace the camshaft if the height
is less than the limit.
Measuring fuel injection pump camshaft cam height
3.8 Inspecting tappet
Inspect the cam contact surface of the tappets. Fit new
tappets if the surface is excessively worn or damaged.
Contact surface of tappet and cam
3.9 Measuring clearance between tappet and
tappet guide hole
Measure clearance between the tappet and tappet hole.
Replace the tappet with a new one if the limit is exceeded.
Measuring clearance between tappet and
tappet guide hole
Item Standard Limit
Cam height of camshaft
(major axis)
35.62 to 35.82 mm
[1.4024 to 1.4102 in.]
34.72 mm
[1.3669 in.]
Measuring
points
Measuring
directions
Item Standard Limit
Cam height of fuel injection
pump camshaft (longer diameter)
43.9 to 44.1 mm
[1.728 to 1.736 in.]
43 mm
[1.69 in.]
Measuring
points
Measuring
directions
Good
Bad
Bad
Item Limit
Clearance between tappet and tappet hole 0.15 mm [0.0059 in.]
Measuring
points
Measuring
directions
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