Snapper TUFF TORQ K50 - Page 21

Section V - TRANSAXLE ASSEMBLY
PUMP ASSEMBLY
Install the thin thrust washer on the swashplate. See Fig¬
ure 5.4.
Instaii baii bearing.
Install the thick thrust washer.
Inspect all components of the pump cylinder biock to make
sure they are clean, then coat them lightly with motor oil
before assembling. See Figure 5.5.
To assemble pump cylinder block, place a spring in each
opening, then top each spring with a pump piston washer.
Insert the pump pistons into the cylinder biock one at a
timw. Hold your fingers tightiy between the pistons to
prevent them from dropping out of the cyiinder biock. See
Figure 5.6. Hoid the cylinder biock assembly firmly and
install it onto the pump shaft. Make sure that the spiines
on the shaft and cyiinder biock are aligned, then siowiy
release your hold on the cylinder block assembly.
PUMP MOTOR & DRIVE SHAFT ASSEMBLY
Install the bearings, snap ring and a new seal on the drive
shaft. See Figure 5.7.
NOTE:
Coat inside lip of seal with 30 WT. motor oil and wrap
spline-end of shaft with tape before installing seal.
FIGURE 5.4
PUMP
CYLINDER
BLOCK
PISTON SPRING (5)
-PUMP PISTON WASHER (5)
CYLINDER BLOCK PISTON (5)
FIGURE 5.5
Install the thin thrust washer into the opening of the fixed
swashplate. See Figure 5.8.
Lightly oil, then install, the bearing into the opening.
Install the thick thrust washer against the bearing.
HOLD FINGERS
BETWEEN
PISTONS TO
PREVENT THEM
FROM FALLING
OUT OF CYLINDER
BLOCK
FIGURE 5.6
9
5.3