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ANU
Jo— Dana 2.
eS:
exa~zeneve | 129570
yv04r taper
Ra
Piston and Piston Rings
+ . Piston
a. Using the micrometer, measure the out-
side diamatar of the piston at she piston
skirt
Measurement should ne made ar a
point 58 mm (0.22 in) above the bot-
tom sdve of she piston by placing the
micrometer in parallel to, and at rght
'angles to, the piston pin
Pisten clearance
0.035 ~ 0.055 mm
(0.0014 -~ 0.0022 in)
/
a
5 Sin (0 22ini
315
Size
75.00 mm (2 953 in)
Oversize 1
7525 min (2 963 in)
"Dversize 2
75 50 mm (? 97? in)
Dvorsize 3
75.75 mm (2.982 in)
Dversire &
76.00 mm (2 982 in)
2. Piston ning/ring grcove fit must have
correct clearance. Hf the piston and ring
been used in the engine
Me ing must be removed, the ring
croove cleaned of carbon, And then the
rng should be reinstalled. Use a foclar
gauge to measure the gap between
the
ing ard the land
have alreac!
T
004~008mn
|
(9.0016.~ 0.0031 ini
Sice clearance
0.93 ~ 0.07 mn
(0.0012 ~. 0.0028 ini
Fiston ving
The oversize top and middie ring sizes
are stamped
on top of the ring.
9.26 m7 (0.C08B in)
DbUmm VEIN! m)_|
0751 110.0295 w)
1.06 m7 (0.6394 in)
>. Expander spacer of the battorn ting {ol
contro
ring) 1s color-coded
to identify
sizes The coler mark is paintec on the
expander spacer
'Oversize 2
Oversize 3
Oversize 4
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