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6-27
No.
17
18
19
20
21
22
23
Parts Name
Swash plate (5)
Cylinder block (7)
Spring (9), (20), (37)
(42), (31-3), (50-3)
Piston sub assembly
(15)
Piston (19)
Valve plate (25)
Base plate (30)
Check Points
Sliding surface and
roughness between
piston sub assembly
and swash plate
Clearance between
piston sub assembly
and cylinder block.
Sliding surface and
roughness between
valve plate and
cylinder block.
Breakage or deflection
is big.
Clearance between
piston sub assembly
and cylinder block.
Sliding surface and
roughness between
piston sub assembly
and swash plate.
Loosen between
piston and shoe is big.
Clearance between
piston sub assembly
and flange holder.
Sliding surface and
roughness between
piston sub assembly
and swash plate.
Sliding surface and
roughness between
valve plate cylinder
block.
Thickness; 5 [mm]
Sliding surface
between plunger and
base plate.
Sliding surface
between spool and
base plate.
Criterion (Recommended
standards for replacement)
No remarkable flaws (over
0.02 [mm] in thickness),
wear, or seizure are noted.
0.4a (0.8a)
0.02[mm] (0.04[mm])
No remarkable flaws (over
0.02[mm] in thickness),
wear, or seizure are noted.
0.4a (0.8a)
-
Same as No. 18.
Same as No. 17.
0.2a (0.8a)
0.15[mm] (0.4[mm])
Same as No. 18.
Same as No. 17.
Same as No. 18.
4.8 [mm]
No remarkable flaws, wear,
or seizure are noted.
No remarkable flaws, wear,
or seizure are noted.
Measures
Correct lapping (#1000) if
sliding surface is rough.
Replace if proper
correction cannot be
made.
Replace both cylinder
block and piston sub
assembly concurrently.
Correct lapping (#1000) if
sliding surface is rough.
Replace both cylinder
block and piston sub
assembly with new, if
sliding surfaces cannot be
properly corrected.
Replacement
Same as No. 18.
Same as No. 17.
Replacement
Same as No. 18.
Same as No. 17.
Same as. No. 18.
Replacement
Replace both base plate
and plunger.
Replace both base plate
and spool.