Arctic Cat 700 Diesel 2015, Руководство по обслуживанию

Страница: 91 / 155

89

NOTE: Planing the engine block is not recom-
mended as it will directly affect piston-to-cylinder
head clearance. To determine if the cylinder deck can
be planed, use the following procedure.
A. Determine the maximum cylinder deck variation
(V
d
).
B. Add the deck variation (V
d
) to the piston protrusion
(P
p
) determined during removing (V
d
+ P
p
) to deter-
mine final piston protrusion (P
pf
). V
d
+ P
p
= P
pf
.
C. Compare the final piston protrusion (P
pf
) to the
chart to determine if gaskets are available that
would allow planing of the cylinder deck.
Example 1:
P
p
= 0.82 mm (0.032 in.)
V
d
= 0.13 mm (0.005 in.)
0.82 + 0.13 = 0.95 mm (0.037 in.)
P
pf
= 0.95 mm (0.037 in.)
Using the preceding chart, the middle gasket could be
used; therefore, the cylinder deck could be planed suffi-
ciently to be salvaged.
Example 2:
P
p
= 0.82 mm (0.032 in.)
V
d
= 0.30 mm (0.012 in.)
0.82 + 0.30 = 1.12 mm (0.044 in.)
P
pf
= 1.12 mm (0.044 in.)
Using the preceding chart, it can be determined that no
gasket would be available to allow sufficient piston-to-
cylinder head clearance; therefore the engine block must
be replaced.
D. If engine block is not serviceable, it must be
replaced with a new block.
6. Thoroughly clean the engine block using a non-caus-
tic engine cleaning solution; then rinse with hot
water and dry with compressed air.
7. Using a cylinder bore gauge or suitable snap gauge
and micrometer, measure the cylinder bore at three
locations taking measurements at 45° intervals. If the
cylinder is found to be 72.050 mm (2.836 in.) or
greater at any measurement point, the cylinder(s)
must be bored. Oversized pistons/rings are available
in 0.50 mm (0.020 in.) and 1.00 mm (0.039 in.) sizes.
DE369
DE350
8. Using a suitable ridge reamer tool, clean the top of
the cylinder bore; then using a ball hone, hone the
cylinders to produce a 45-55° cross-hatch.

NOTE: To produce the proper 45-55° cross-hatch
pattern, use a low-RPM drill (600 RPM) at the rate of
25 strokes per minute. Use honing oil or lightweight
petroleum-based oil. Thoroughly clean the cylinder
after honing using soap and hot water. Dry with com-
pressed air; then immediately apply engine oil to the
cylinder bore. If the bore is severely scored or out of
round, the cylinders must be bored.
DE398B
9. Lightly coat all non-painted surfaces, thread bores,
and cap screw threads with clean engine oil.
Final Piston
Protrusion (P
pf
)
Gasket Thickness # of Holes
0.82-0.91 mm
(0.032-0.036 in.)
1.56-1.64 mm (0.061-
0.065 in.)
1
0.92-1.01 mm (0.036-
0.040 in.)
1.66-1.74 mm (0.065-
0.069 in.)
2
1.02-1.10 mm (0.040-
0.043 in.)
1.76-1.84 mm (0.069-
0.072 in.)
3
! WARNING
Always wear safety glasses when using compressed
air.
! WARNING
Always wear safety glasses when using compressed
air.