1
Stud, -13 x 2 in. (2 rqr)
6
Stud, -13 x 1 in. (2 rqr)
2
Stud, 7/16 -14 x 1 7/8 in. (11 rqr)
7
Water distribution tube
3
Stud, 7/16-20 x 4 1/4 in. (33 rqr)
8
Plug, 3/8 in.
4
Stud, 5/16-18 x 1 5/8 in. (4 rqr)
9
Engine block
5
Freeze plug, cut type (5 rqr)
10
Freeze plug
Figure 32. Crane engine block, exploded view.
129. Crane Engine Block Reassembly and Installation
solvent for 2 hours; remove and clean with live steam.
a. Reassembly. Reassemble the crane engine
b. Clean water and oil passages.
block as illustrated on figure 32.
b. Installation.
c. Inspect for wear and damage.
(1) Install the engine block.
d. Check the machined surfaces of the block with a
straight edge and feeler gage. If the surfaces are
(2) Install the camshaft (par. 121).
warped more than 0.010 inch, replace block as
necessary.
(3) Install the crankshaft (par. 125) (4) Install
the pistons (par. 105).
e. Inspect all mounting hardware for stripped or
damaged threads. Replace all defective hardware as
(5) Install the valves (par. 93).
necessary.
(6) Install the radiator (par. 78).
f. Inspect the engine block for cracks, breaks, or
other damage. Replace a cracked or broken engine
(7) Install
the
carburetor,
distributor,
block as necessary.
governor, generator, fuel pump, generator
regulator, water pump, and spark plugs
g. Inspect the cylinder diameter.
It should
(TM 53810-207-20).
measure between 4.249 and 4.251 inches.
TAGO 5030A
72
