S e c t i o n X X . BLOCK ASSEM B L Y
Se
115. Block Assembly Cleaning, Inspection,
113. General
and Repair
The block a s s e m b l y consists of the engine
a. Cleaning. Clean the entire block and a11
block, main bearing caps, filler block, rear oil
parts of the block assembly in an approved
seal, oil level gage guide, and studs for mount-
cleaning solvent. Be sure all drilled holes are
ing accessories. The engine block is cored for
clean and open. Remove all foreign matter
liquid cooling, and the core holes are plugged
from the holes.
with expansion plugs. The cylinders are bored
for dry-type sleeves.
b. Inspection and Repair.
(1) Inspect all studs and thread mounted
114. Block Assembly Removal
p a r t s for cracks, breaks, or damaged
and Disassembly
threads. Replace a damaged part as
necessary.
a. Removal.
(1) Remove the engine (par. 29).
(2) Replace all defective or leaking expan-
sion plugs, core plugs and gaskets.
(2) Remove the engine
housing
(TM
5-
3820-205-20/1).
116. Block Assembly Reassembly
(3) R e m o v e the oil filters and mounting
and Installation
bracket (TM 5-3820-205-20/l).
(4) Remove the crankcase breather and
a. Reassembly. Refer to figure 38, and re-
f i l l e r tube (TM 5-3820-205-20/l).
assemble the block assembly in the reverse
order.
( 5 ) Remove the fuel filters and mounting
bracket (TM 5-3820-205-20/l).
b . Installation.
(6) Remove the oil cooler
assembly
(TM
(1) I n s t a l l t h e c a m s h a f t a s s e m b l y ( p a r .
5-3820-20-205-20/1).
104).
(7) Remove the oil pressure sending unit
(2) I n s t a l l the main bearings and crank-
s h a f t (par. 112).
(8) Remove the generator, generator regu-
(3) I n s t a l l t h e p i s t o n s a n d c o n n e c t i n g
lator, a n d s t a r t i n g m o t o r ( T M 5 -
r o d s (par. 100).
3820-205-20/1).
( 4 ) Install the injection p u m p drive gear
(9) Remove the overspeed governor and
a s s e m b l y (par. 72).
tachometer drive (TM 5-3820-205-
(5) I n s t a l l t h e o v e r s p e e d g o v e r n o r a n d
20/1).
tachometer drive (TM 5-382-205-
(10) Remove the injection pump drive gear
20/l).
assembly (par. 70).
( 6 ) Install the generator, generator regu-
(11) R e m o v e t h e p i s t o n s a n d c o n n e c t i n g
lator, and starting motor (TM 5-
r o d s (par. 98).
3820-205-20/ 1).
(12) Remove main bearings and crankshaft
( 7 ) I n s t a l l the oil pressure sending unit
(par.110).
(TM 5-3820-205-20/l).
(13) R e m o v e the camshaft assembly (par.
( 8 ) Install the oil cooler assembly (TM 5-
102).
3820-205-20/1).
(9) I n s t a l l t h e f u e l f i l t e r a n d m o u n t i n g
b . Disassembly. Refer to figure 38, and dis-
bracket (TM 5-3820-205-20/1).
assemble the block assembly.
AGO 8498A