Service Manual

36 ZT-2800
®
/ZT-3100™/ZT-3400™
Figure 33, Pump/Motor Cylinder Block Assembly
CYLINDER BLOCKS
RefertoFigure33
Inspect each component of the cylinder block
assemblies for wear or damage. Inspect the
cylinder block’s running surface for scratches
or galling. Replace if necessary.
NOTE: During separation of the cylinder
blocks, take care not to damage the
surfacesofthepistonsandblock.
 Applyathincoatingofoiltoallcompo-
nentsofthecylinderblockassemblies
beforereassembly.
After reassembling the cylinder block compo-
nents, set aside until ready for installation of
the center section and swashplate. Refer to
pages 30 and 31.
Figure 32, Plug Seal (26)
RefertoFigure32
In order to gain access to the check plugs (24
& 25), it is necessary to remove the plug seals
(26). This is accomplished by inserting a seal
hook or puller into, and through, one of the
insertion points (rectangularrecesses) on the
plug seal, refer to gure 31. After successfully
removing the plug seals, discard and replace
with new seals.
CHECK PLUGS & SEALS
Pistons
Piston Seats
Cylinder Block
Springs
Insertion Area