Toro Workman 3000 Series Service Manual page 415

12. Check backlash of ring gear (32) with a dial indicator
at three equally spaced positions (Fig. 57).
A. Backlash should be from 0.002 to 0.006 inch
(0.051 to 0.152 mm) and should not vary more than
0.002 inch (0.051 mm).
B. If backlash does not meet specifications, move
shims (31) from one side of the differential case (27)
to the other until the correct backlash is attained.
13. Check ring to pinion gear engagement (see Ring
and Pinion Gear Engagement in this chapter of the
manual).
14. If the needle bearings (34) were removed, press two
new bearings into the front housing (2). Press new oil
seals into housing (Fig. 58).
15. Make sure flange surface of carrier assembly (15)
is clean and free of any sealant, dirt, and oil. Apply thin
bead of non–acidic silicon sealer along the entire flange
surface of the carrier assembly (Fig. 59).
16. Make sure flange surface of front housing (2) is
clean and free of any sealant, dirt, and oil. Attached front
housing to the carrier assembly (15) using alignment
pins (3) as guides. Secure housing to assembly with
eight cap screws (16). Torque cap screws from 15 to 20
ft–lb (2.1 to 2.8 kg–m) using a criss–cross pattern (Fig.
60).
Workman 4000 Series
FLANGE
SURFACE
Page 10 – 29 Front Wheel Drive Section – 4WD (Rev. F)
Figure 57
Figure 58
FLANGE
SURFACE
Figure 59
Figure 60