Toro Reelmaster 3100-D Service Manual page 151

Removing the Drive Belt
Installing the Drive Belt
Reelmaster ® 3100-D/3105-D
20252SL Rev A
(Figure 65)
1. Park machine on a level surface. Lower cutting units, stop engine and
engage parking brake. Remove key from the key switch.
2. Raise and support hood.
g345814
1. Pump drive belt
2. Idler pulley
3. Torsion spring
The torsion spring that tensions the idler assembly is under tension
and may cause personal injury during removal. Use caution when
removing spring end from the pump mount plate.
3. Remove pump drive belt tension from torsion spring on idler arm
A. Insert nut driver or small piece of pipe onto the end of the torsion spring
that is secured on the pump mount plate tab.
B. Push down and forward on the spring end to unhook the spring from
the tab on the pump mount plate.
4. Rotate idler pulley away from pump drive belt and remove drive belt from
pulleys. Make sure that drive belt is in good condition if it is to be re−installed.
Replace drive belt if worn or damaged.
5. Remove drive belt idler components as needed.
(Figure 65)
1. Install all removed drive belt idler components. Make sure that the idler
pulley and idler arm rotate freely after assembly.
2. Install drive belt onto pulleys. Position idler pulley toward the pump drive belt.
3. Using a straight edge across the lower face of the pump pulley, verify pump
drive belt alignment across engine and pump pulleys. If pulleys are not in
alignment, adjust location of pump pulley on pump shaft so alignment is
correct (see Piston Pump/Hydrostat (page
Figure 66
4. Spring end
5. Pump mount plate tab
CAUTION
5–79)).
Page 5–75
(Figure
Hydraulic System: Service and Repairs
66).