TM 5-4310-378-I4
(19)
R e p a i r of the piston and connecting rod assemblies is as follows.
(a)
C a r e f u l l y remove both compression rings (1) and the oil ring (2). Discard the
rings.
Remove both snap rings (3) and using an arbor press, press out the piston pin (4).
(b)
S e p a r a t e the piston (5) from the connecting rod (6).
(c)
(d)
E x c h a n g e defective parts for known good parts.
Place piston (5) into position on connecting rod (6) and install piston pin (4) into
(e)
p o s i t i o n using an arbor press.
(f)
Install two snap rings (3).
Carefully install a new oil ring (2).
(g)
(h)
C a r e f u l l y install two new compression rings (l).
(20)
Install oil drain plug (1) to crankcase (2).
Install oil sight gage seal (3) and oil sight gage (4).
(21)
I n s t a l l bearing (5).
(22)
(23)
I n s t a l l new gasket (6), rear bearing cover (7), four copper washers (8), and four
bolts (9).
Install new bearing seal (10) and bearing (11).
(24)
I n s t a l l crankshaft (12).
(25)
I n s t a l l new gasket (13), f r o n t bearing cover (14), four washers (15), and four bolts
(26)
(16).
5-6
