GEAR PUMP 1.2
Assembly 1300/135(cont’d)
C2004
C2005
Torque the cap screws
C2089
C2006
Install washer and shaft seal
6 Dip the gear assemblies with system oil and slip the
gears into the front plate bushing and body. (fig. C2004)
7 Install a new O - ring in the groove of the back up
plate. (fig. C2005)
8 Make sure the port orientation is correct and then
slide the back plate over the gear shafts until it is down
over the dowel pins. The large port opening in the back
plate is the inlet side.
9 Install the cap screws and washers. (fig. C2089)
Torque the evenly in a crisscross pattern to 25 ~ 28 ft lbs
(34 ~ 38 Nm).
10 Place the washer over the drive shaft into the
housing. Lubricate the seal liberally with system oil and
install over the drive shaft. (fig. C2006) Use caution to
avoid cutting the seal lips while installing the seal over
the drive splines.
11 Place a 1- 5/16’’ O.D. sleeve over the shaft and press
the shaft seal into the housing until flush with the front
surface of the front plate. Note: If so equipped, some
models may require a retaining clip (snap ring) installed.
1-19
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