Figure 243. Continued.
ing clearance should not exceed 0.0015
(10) Test discharge valve for leakage by
inch.
applying 100 psi air pressure through the
discharge port of the cylinder head and
(7) Clearance between the connecting rod
apply soap suds to the valve openings in
journal and the connecting rod bearings
the cylinder head floor. Leakage should not
must be less than 0.0D3 inch or more than
exceed a one inch soap bubble in not less
0.021 inch after rebuilding compressor
than 5 seconds. Test discharge valve
rising insert type rods.
capnuts by this method.
(8) Inspect the crankshaft 4ournals, if they are
(11) The dimensions from the top of the cylinder
more than 0.002 inch out-of round or
block to the inlet valve seat should not
scored, the crankshaft and bearings are
exceed 0.145 inch. After installing new
defective.
seats, the dimension should be 0.101 to
(9) After installing new discharge valves,
0.113 inch.
springs, and capnuts, the discharge valve
(12) Replace or repair all damaged or defective
travel should be between 0.036 and 0.058
parts.
inch.
AGO 6819A
275
