Remove any defective reed valves.
(a) Inspect the O-ring head circle and shim (if present) for damage.
(b) Remove the defective valve assemblies from each cylinder and
inspect for damage.
(c) Locate all pieces of the reeds and remove them from the
compressor. Check the tubing and the connecting system for pieces of the reeds.
(d) Replace any defective reed valves, O-ring head circle, and shim. If
there are no faults, go to paragraph 4-3d(4); otherwise continue with (e) below.
(e) Assemble the cylinder head and the valve assemblies as shown in
Apply a thin film of O-ring grease to the O-ring head circle.
(g) Install the cylinders and secure in place with four bolts and lock
washers. Torque these bolts to 70-inch pounds.
Check head clearance while rocking piston between top of casting and
piston using a depth gauge. Clearance must be between 0.010 inches
and 0.016 inches. Insert appropriate shim.
(h) Install the intake flex hoses using the appropriate hose clamps.
Install the left and right outlet tubes between the cylinders.
Reassemble in the reverse order of removal ensuring that all fittings
(j) Apply a paste-type pipe dope to all threads except compression
fittings before assembling.
Test the reed valves by using the procedures in 4-4d(1)(a)--(e).
(l) If the reed valve corrections do not correct the fault to the motor,
continue with paragraph 4-3d(4).