Toro Sand Pro 2040Z Service Manual page 75

Removal (Fig. 40)
1. Park machine on a level surface, lower rear attach-
ment, stop engine, apply parking brake and remove key
from ignition switch.
2. Remove transmission drive belt to allow access to
pump idler assembly (see Transmission Drive Belt in
this section).
3. Remove flange nut (item 11) that secures idler as-
sembly to carriage screw (item 2). Lower idler assembly
from carriage screw and remove from machine.
4. Disassemble idler assembly as needed using Figure
41 as a guide. Note orientation of seals (items 4 and 5
in Fig. 41) during disassembly.
5. Clean and inspect all idler assembly components.
Replace worn or damaged parts.
Installation (Fig. 40)
1. Assemble idler assembly using Figure 41 as a guide
and the following:
A. If removed, install new O- rings (item 7 in Fig. 41)
into grooves of idler arm. Do not apply grease or oil to
the O- rings.
B. During bearing assembly into idler arm, press
equally on inner and outer bearing races (item 3 in
Fig. 41). Bearings should be pressed into arm so that
retaining rings can be installed after bearing installa-
tion. Make sure that retaining rings are fully installed
in idler arm grooves and that bearings turn freely af-
ter installation.
C. The lips of the double lip seal (item 4 in Fig. 41)
should be greased before installation.
D. The lip of the single lip seal (item 5 in Fig. 41)
should NOT be greased before installation. Also, the
single lip seal garter spring should be installed facing
outward.
E. Torque cap screw (item 8 in Fig. 41) to 22 ft- lb
(30 N- m) to secure idler pulley to idler arm.
2. Slide idler assembly onto carriage screw (item 2) and
secure to the machine with flange nut (item 11).
3. Lubricate grease fitting on pump idler assembly.
4. Install transmission drive belt (see Transmission
Drive Belt in this section).
Sand Pro 2040Z
22 ft- lb
(30 N- m)
UP
5
9
3
12
6
1. Idler arm
2. Spacer
3. Bearing (2 used)
4. Double lip seal
5. Single lip seal
6. Flange nut
Page 4 - 45
8
7
10
7
3
9
4
Figure 41
7. O- ring (2 used)
8. Cap screw
9. Retaining ring (2 used)
10. Grease fitting
11. Idler pulley
12. Spring anchor pin
Hydraulic System
2
11
1