Assembly of Auxiliary/Steering Pump
1. The wear plate (Item 13), bearing seal (Item 11),
mo
lded o-ring (Item 10), back-up gasket (Item 12), shaft
seal (Item 5) and o-rings (Item 9) should be replaced as
new parts.
2. Install o-ring (Item 9) in groove of front plate (Item 7).
3. Tuck back-up gasket (Item 12) into groove in front
plat
e with open part of “V” section down.
4. Put molded o-ring (Item 10) in groove in front plate.
Put bearing seal (Item 11) over molded o-ring - groove
side down.
5. Apply a thin coat of heavy grease to both milled faces
of
body (Item 14). Slip body onto front plate - half moon
port cavities in body must face away from front plate.
NOTE: The small half moon port cavity must be on the
p
ressure side of the pump.
6. Put wear plate (Item 13) on top of back-up gasket with
bron
ze face up. The side with the mid section cut away
must be on suction side of pump.
7. Dip gear assemblies (Item 2, 3) into oil and slip into
f
ront plate bushings.
8. Install o-ring (Item 9) in groove in back plate (Item 22).
9. Slide back plate over gear shafts until dowel pins
(I
tem 1) are engaged.
10. Install bolts (Item 4) and washers (Item 28). Tighten
evenly to a torque of 25 - 28 ft-lb.
11. Install washer (Item 6). Liberally oil shaft seal
(It
em 5) and carefully work over drive shaft, being care-
ful not to cut rubber sealing lip.
12. Put a 1-5/16" O.D. sleeve over the shaft and press
in sh
aft seal until flush with front surface of front plate.
Groundsmaster
®
455-D Page 4 - 39 Repairs
Hydraulic System
To Next Page
Loading...
