Inspect parts IAW General Maintenance Instructions (WP 0162).
Inspect all parts for wear, pitting, cracks, or corrosion, and replace if necessary.
Inspect opening in orifice plate. Inside diameter should be 0.02 inch (0.5 mm) and outside diameter should be
0.550 to 0.555 inch (13.97 to 14.10 mm).
Inspect flatness of valve body.
Inspect dump valve and valve spool for scratches, gouges, and wear.
Inspect dump valve and valve spool for freedom of movement in valve body.
Inspect all parts for cracks and flaking.
Inspect all parts for warpage, wear, scratches, and gouges.
Inspect sealing surfaces for any scratches and score marks.
Safety glasses or face protection must be used when working with compressed air. Failure
to follow this warning may result in serious injury to personnel.
Use compressed air to clean and inspect oil passages for leakage.
Soak all parts in transmission oil prior to installing.
Measure detent springs. Spring specifications should be as follows:
0 lb (0 kg)
0.97 inch (24.6 mm)
7.00 lb (3.18 kg)
0.75 inch (19.1 mm)
11.00 lb (4.99 kg)
0.625 inch (15.88 mm)
END OF TASK