Toro Groundsmaster 4500-D Series Service Manual page 204

Assembly (Figure 99)
Hydraulic System: Service and Repairs
1. Apply clean hydraulic oil to all pump parts before assembling.
Note: Pressure seals and back-up gaskets fit in grooves machined into thrust
plates. Body seals fit in grooves machined in body faces.
2. Assemble pump sections starting at front cover end. Apply grease or
petroleum jelly to new section seals to hold them in position during gear
pump assembly.
3. After pump has been assembled, tighten cap screws and nuts by hand.
Rotate the drive shaft to check for binding. Protect the shaft if using a pliers.
4. Tighten the four (4) cap screws evenly in a crossing pattern to a torque of
45 N·m (33 ft-lb).
Page 5–102 Groundsmaster ® 4500-D/4700-D
19245SL Rev A