Arctic Cat 700 Diesel ATV 2007 Service Manual page 55

6. Install the removal tool and slide hammer and
remove the pre-combustion chambers from the
head.
! CAUTION
Do not attempt to remove the pre-combustion cham-
bers before removing glow plugs. Severe damage
WILL occur.
7. Remove the exhaust manifold; then remove the
thermostat housing.
Back
3-32
DE312
DE579
DE321
Back to TOC
Cleaning and Inspecting Cylinder
Head/Valves
1. Thoroughly clean the cylinder head in a non-caus-
tic solvent; then dry with compressed air.
! WARNING
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 cor-
ner-to-corner, side-to-side, and end-to-end.
NOTE: If cylinder head warpage is present, the
cylinder 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
fractures.
4. Using a calipers, measure the free-length of the
valve springs. The measurement must be equal to
or greater than minimum specifications.
5. Check that the spring ends are parallel. A caliper
may be used to check parallelism of spring ends.
Back to Section TOC
DE302
DE318
Next