LT3-00032-2-A - DDKS Industries, hydraulic components distributor

UNIT DISASSEMBLY
REWORK LIMITS OF WEAR
PARTS
(continued)
IMPORTANT:
The port plate finish must be 8 microinches, .0203 micrometer both faces, flat within
0.00006”, 0,0015 mm and parallel within 0.001”, 0,0254 mm total indicator reading.
The creep plate wear face finish must be 5 microinches, .0127 micrometer, flat within
0.0005”, 0,0127 mm and parallel to the backside within 0.001”, 0,0254 mm total indicator
reading.
The shoe retainer wear face finish must be 32 microinches, .0813 micrometer and flat
within 0.0005”, 0,0127 mm. Must not be convex.
The piston shoes wear face finish must be 30 microinches, .0762 micrometer and must
be lapped in a set with the retainer plate, all shoe sole thicknesses to be within 0.001”,
0,0254 mm after lapping. The maximum permissible shoe and piston axial looseness is
0.010”, 0,254 mm.
The special retaining ring service kit S23-12629 may be required to control shoe
holddown clearance.
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