Toro Reelmaster 3100-D Service Manual page 171

Assembling the Gear Pump
Reelmaster ® 3100-D/3105-D
20252SL Rev A
(Figure 75) (continued)
4. Install new pressure seal and back−up gasket into both new wear plates.
The flat section in the middle of the back−up gasket must face away from the
wear plate inside the seal.
5. Install wear plate into the gear pocket with the pressure seal and back−up
gasket against the front plate. Make sure mid section cut−away of the wear
plate is on the suction side of the pump.
6. Dip drive gear and front idler gear into clean hydraulic oil. Install gear shafts
into the front plate bushings so that the gears set inside the gear pockets.
7. Install new O−ring into the groove of the adapter plate on the side with the
bushings below the surface.
8. Align marker line on the body and adapter plate. Install adapter plate onto
the body and gear shafts.
9. Install second new O−ring to the other side of the adapter plate.
10. Coat key lightly with petroleum jelly to hold it in place. Install key into the
slot in the drive gear shaft.
11. Align marker line on back body and adapter plate. Install body onto adapter
plate and drive gear shaft.
Do not dislodge seals during installation.
12. Install the wear plate into the gear pocket of back body with the pressure
seal and back−up gasket against the adapter plate. Make sure mid section
cut−away of the wear plate is on the suction side of the pump.
13. Lubricate the back gear with clean hydraulic oil. Install the gear onto the
drive gear shaft and key.
14. Lubricate the back idler gear with clean hydraulic oil. Install the idler gear into
the gear pocket of back body and the adapter plate.
15. Install new O−ring into the groove of the back plate.
16. Align marker line on the back plate and body. Install back plate onto the
body and gear shafts.
17. Secure pump together with cap screws and new washers on cap screws
external of the flange cavity. Torque cap screws in a criss−cross pattern
from 34 to 38 N·m (25 to 28 ft−lb).
IMPORTANT
Page 5–95 Hydraulic System: Service and Repairs