Cleaning And Inspecting Cylinder Head/Valves - Arctic Cat 700 Diesel SD Service Manual

6. Install the Pre-Combustion Chamber Removal Tool
and slide hammer and remove the pre-combustion
chambers from the head.
Do not attempt to remove the pre-combustion chambers
before removing glow plugs. Severe damage WILL
occur.
DE310A
7. Remove the exhaust manifold; then remove the ther-
mostat housing.
Cleaning and Inspecting Cylinder
Head/Valves
1. Thoroughly clean the cylinder head in a non-caustic
solvent; then dry with compressed air.
DE324
Always wear safety glasses when working with com-
pressed air.
2. Using a high-quality straight edge and feeler gauges,
check the head for warpage; then holding the straight
edge against the head, measure any warpage with the
feeler gauge. Check corner-to-corner, side-to-side,
and end-to-end.
DE312
 NOTE: If cylinder head warpage is present, the cyl-
inder head must be planed by a qualified machine
shop. Pre-combustion chambers must be removed to
plane the head.
3. Inspect the valve springs for surface cracks and frac-
tures.
DE579A
4. Using a calipers, measure the free-length of the valve
springs. The measurement must be equal to or
greater than minimum specifications.
Manual
Table of Contents
CAUTION
! WARNING
DE321
DE302
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