Stud, -13 x 2 in. (2 rqr)
Stud, -13 x 1 in. (2 rqr)
Stud, 7/16 -14 x 1 7/8 in. (11 rqr)
Water distribution tube
Stud, 7/16-20 x 4 1/4 in. (33 rqr)
Plug, 3/8 in.
Stud, 5/16-18 x 1 5/8 in. (4 rqr)
Freeze plug, cut type (5 rqr)
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.
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
warped more than 0.010 inch, replace block as
e. Inspect all mounting hardware for stripped or
damaged threads. Replace all defective hardware as
f. Inspect the engine block for cracks, breaks, or
other damage. Replace a cracked or broken engine
block as necessary.
regulator, water pump, and spark plugs
g. Inspect the cylinder diameter.
measure between 4.249 and 4.251 inches.