Replacing The Pto Drive Belt; Replacing The Pump Drive Belt - Toro 74274 Operator's Manual

Replacing the PTO Drive Belt

Service Interval: Every 50 hours
1. Disengage the PTO, move the motion control levers
to the neutral locked position and set the parking
brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Loosen the front engine panel knobs and remove
the panel (Figure 58).
1. Knob
4. Remove the spring from the idler arm (Figure 59).
5. Remove the clutch stop bracket.
6. Remove the old PTO drive belt.
7. Install the PTO drive belt around the clutch pulley
and the gearbox pulley (Figure 59).
8. Intall the clutch stop bracket.
9. Install the spring to the idler arm (Figure 59).
Figure 58
2. Front engine panel
4
3
5
1. PTO Drive belt
2. Clutch
3. Spring

Replacing the Pump Drive Belt

Service Interval: Every 50 hours
Note: Remove the PTO drive belt first if the pump
drive belt needs to be replaced.
1. Tilt the seat forward and remove the front engine
panel.
2. Remove the PTO drive belt.
3. Remove the spring from the idler arm (Figure 60).
4. Install the new belt around the engine and hydro
pump pulley (Figure 60).
5. Install the PTO drive belt.
6. Install the spring to the idler arm (Figure 60).
45
1
Figure 59
4. Spring loaded idler pulley
5. Gear box
6. Clutch stop bracket
2
6