Toro Groundsmaster 5900 Series Service Manual page 192

Gear Pump Assembly
Hydraulic System: Service and Repairs
(Figure 82) (continued)
Do not dislodge seals during installation.
H. Align marker lines and slide the body over the gear assembly. A slight
tap with a soft hammer on the pump body should be sufficient to engage
the steel sleeves.
5. Repeat step 4 for pump section P2.
6. Install the four (4) cap screws with washers and hand tighten.
Prevent damage when clamping the pump in a vise; clamp on the
front flange only. Also, use a vise with soft jaws.
7. Place front cover of the pump into a vise with soft jaws and alternately tighten
the cap screws to 140 N·m (103 ft−lb).
8. Remove pump from vise.
9. Repeat step 4 for pump section P3.
10. Apply a light coating of petroleum jelly to new body seal and body seal
groove in body. Install new body seal into the body.
11. Install dowel pins in rear cover.
12. Align marker lines and slide the rear cover over the shaft ends.
13. Install the four (4) cap screws with washers and hand tighten.
14. Place front cover of the pump into a vise with soft jaws and alternately tighten
the cap screws to 45 N·m (33 ft−lb).
15. Remove pump from vise.
16. Place a small amount of clean hydraulic oil in the inlet of each pump and
rotate the drive shaft away from the inlet one revolution
binding is noted, disassemble the pump and check for assembly problems.
IMPORTANT
IMPORTANT
Page 5–92
(Figure 83). If any
Groundsmaster ® 5900 & 5910
16227SL Rev B