Service Manual

ZT-2800
®
/ZT-3100/ZT-3400™ 31
SWASHPLATE
Figure 25, Swash Plate
RefertoFigures25-26
Disassembly
1. Requires removal of all items beginning on
page 14.
2. Remove the swashplate (40) and pump
cylinder block assembly (69) as a single
item.
3. Separate the pump cylinder block assembly
(69) and the thrust bearing (65) from the
swashplate (40) and set aside.
NOTE: Removal will be aided by applying a
smallamountofpressureonthetrun-
nionmountedswashplatetowardsthe
center section. While CAREFULLY
removingtheswashplateandblockas-
sembly,keeptheblockfaceushwith
thecentersectiontominimizedamage
totherunningsurface.
Inspection
1. Inspect the swashplate (40) and thrust
bearing assembly (65) for wear or damage.
Replace if necessary.
2. Inspect pump block per detail on page 32.
Assembly
1. Reassemble all parts in the reverse order
of disassembly.
2. Apply a light coating of oil to running sur-
faces on center section, swashplate bearing
races, thrust bearing assembly and pump
block assembly.
3. Place the thrust bearing assembly (65) into
swashplate (40) such that the thick race of
the bearing assembly faces out.
4. With the piston facing the thrust bearing,
place the pump block assembly (69) into
the swashplate.
5. While pressing the pump block assembly
(thrust bearing – pump cylinder block) and
swashplate together, align to center section
in main housing.
Figure 26, Hydraulic Pump Components
40
65
69
69
40
Thick Race
Toward Pistons