Toro Z MASTER 2000 Series Service Manual page 35

Toro Twin Cylinder Engine Installation
2000 Series Z MASTER® Service Manual
3438-778 Rev A
1. Prepare the frame and secure any fuel lines or wire harness components.
2. Install the muffler and 2 new exhaust gaskets.
3. Install the muffler nuts. Torque the muffler nuts to 16–18 N • m (12 ± 14 ft-lb).
4. Lower the engine onto the frame.
5. Align the four holes of the engine base to the frame. Install the rear mounting
bolts and Belleville washers loosely.
6. Install the 2 front bolts and Belleville washers through the clutch anchor and
into the engine base.
7. Torque the 4 engine mounting bolts to 36-45 N • m (30 ± 3 ft-lb).
8. Install the key and engine pulley onto the crankshaft.
Note: Install the engine pulley with smaller diameter hub toward the engine.
9. Install the clutch onto the crankshaft ensuring that the slot in the clutch aligns
with the tab on the clutch anchor.
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10. Install the 2 spring washers and the clutch bolt. Torque the clutch bolt to
66-83 N • m (55 ± 6 ft-lb).
11. Install the hydrostatic drive belt onto the engine pulley.
Belt Replacement (page 7–8)
12. Install the mower belt.
13. Connect the clutch wire.
14. Connect the choke cable.
5–22)
15. Connect the throttle cable.
5–20)
16. Connect the black engine ground wire.
Figure 9
Mower Belt Replacement (page 6–6)
Choke Control Assembly Replacement (page
Throttle Cable Assembly Replacement (page
Page 4–7
Hydrostatic Drive
Engine: Service and Repairs