New Holland LS140 Workshop Manual page 202

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Rotating Piston Block

Replace the rotating group if:

1. Cylinders, 1, are worn or scored so the pistons do

not move freely.

2. Surface, 2, is worn or grooved or shows metal

build-up. Nicks must not extend from the cylin-

ders to the edge of the raised area, 3.

3. The pistons have side play in the piston block.

Loading Pins

1. The three block loading pins, 1, are spring loaded

and are held in place by the pin keeper (split

bushing), 2.

2. The pins should be the same height.

3. The pins should be seated in the special grooves.

4. The head of the pins should be seated between

the washer and the block.

Replaceable Bearing (Valve) Plate

1. Check for flatness.

2. Check for scratches on the brass side of the

plate, extending across the area where the piston

block contacts the plate at 1. If scratches can be

felt with your thumbnail, replace the bearing

3. Check for scratches across the kidney ports at 2.

SECTION 29 - HYDROSTATIC TRANSMISSION

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