TM 5-4220-211-12&P
REPAIR GUIDELINES AND SPECIFICATIONS
Table A-9.
CLEARANCE BETWEEN PISTON AND CYLINDER HEAD
Piston Top Outside Cylinder And/Or
Piston Top Inside Cylinder
Top
Top
of Piston
of Piston
Model
Outside
Inside
Clearance
Cylinder
Cylinder
15A430
---
0.475-0.8
0.475-0.8
No Cylinder
Head Gasket
18A430
0.650-0.975
-
0.475-0.85
25A430
0.7-1.0
-
0.4-0.8
36A430
36E435
0.8-1.05
-
0.35-0.7
36E435
A14-A24
0.7-0.9
-
0.5-0.8
71A437
0.775-1.05
-
0.35-0.725
95A437
0.775-1.075
-
0.325-0.725
Table A-10.
CYLINDER BORE TOLERANCES (mm)
Smallest
Largest
Model
Diameter
Diameter
Up to and including
Top
Top
1800 rpm
74.86
74.88
(Tapered Cylinder)
Bottom
Bottom
15A430
75.01
75.03
Over 1800 rpm
Top
Top
74.91
74.93
Bottom
Bottom
75.01
75.03
Up to and including
Top
Top
1800 rpm
81.88
81.90
18A430
Bottom
Bottom
(Tapered Cylinder)
82.01
82.03
Over 1800 rpm
Top
Top
81.94
81.96
Bottom
Bottom
82.01
82.03
25A430
80.02
80.04
36A430
36E435
95.04
95.06
71A437
A14-A24
98.03
98.05
95A437
105.00
105.02
A-36
