TM 5-4930-244-14
(15)
Using a blunt instrument, drive the tapered bearings (23) and oil seal (21) out of the flywheel (3) side of the
crankcase (17). Discard oil seal (22).
(16)
Remove gasket (24) from crankcase (17). Discard gasket (24).
(17)
Remove sight gauge (25) and washer (26) from crankcase (17).
NOTE
Mark the position of the high pressure cylinder head to aid in correct reassembly.
Tag all parts to insure correct reassembly.
(18)
Remove four bolts (1, Figure 5-9) from high pressure cylinder head assembly (2).
(19)
Remove the high pressure cylinder head assembly (2) with piston assembly (3) and high pressure
connecting rod (4) in it from the crankcase (5).
(20)
Remove five bolts (6) from high pressure cylinder head (7) and remove high pressure cylinder head (7)
from cylinder (8).
(21)
Remove head gasket (9) and valve gasket assembly (10) from cylinder (8) Discard head gasket (9) and
valve gasket assembly (10).
(22)
Remove head gasket (11) from cylinder (8). Discard head gasket (11).
(23)
Remove two snap rings (12) and piston pin (13) from high pressure piston (14).
(24)
Remove piston rings (15) from high pressure piston (14).
(25)
Remove bushing (16) from high pressure connecting rod (4).
(26)
Remove high pressure connecting rod (4) from high pressure piston (14).
(27)
Remove lower gasket (17) from crankcase (5). Discard lower gasket (5).
(28)
Remove four bolts (18) from low pressure cylinder head assembly (20).
(29)
Remove the air cleaner assembly (19) and elbow (34) from the low pressure cylinder head assembly (20).
NOTE
·
Mark the position of the low pressure cylinder head to aid in correct
reassembly.
·
Tag all parts to insure correct reassembly.
(30)
Remove the low pressure cylinder head assembly (20) with piston assembly (21) and low pressure
connecting rod (22) in It from the crankcase (5).
(31)
Remove six bolts (23) from low pressure cylinder head (24) and remove low pressure cylinder head (24)
from cylinder (25).
(32)
Remove valve gasket (26) and valve gasket assembly (27) from cylinder head (24). Discard valve gasket
(26) and valve gasket assembly (27).
5-24
