Toro Groundmaster Series Service Manual page 84

Installing the Engine (continued)
Engine: Service and Repairs
Make sure that the hoist or lift used to install the engine can properly
support the engine. The engine assembly weighs approximately:
• Model 31900 and 31901 = 150 kg (330 lbs)
• Model 31902 and 31903 = 204 kg (450 lbs)
• Model 31907 and 31909 = 172 kg (380 lbs)
4. Connect a suitable hoist or lift to the front and rear lift tabs on the engine. On
model 31902 and 31903 machines, do not allow the lift chains or straps to
contact the DPF.
Use 1 person to operate the lift or hoist while the other person
guides the engine into the machine.
When removing the engine ensure that you do not damage the
engine, fuel hoses, hydraulic lines, electrical harnesses or other
parts.
5. Carefully lower the engine into the machine moving it toward the front of
the machine.
6. Install the 3 lock nuts, snubbing washers, spacers and cap screws securing
the engine mounts to the engine brackets.
7. Install the PTO clutch stop strap.
8. Connect the cutting unit drive shaft at the PTO clutch.
9. Use a 1/2 inch square drive on the hydraulic pump drive belt idler arm and
install the pump drive belt on the pump pulley.
10. Install the fasteners securing the wire harness ground and battery negative
(-) cable to the engine block (lower front left corner).
11. Connect all of the electrical connections previously removed from the engine.
12. On model 31900 and 31901 machines; connect the throttle cable at the
engine.
13. Install the fuel/water separator assembly on its support bracket.
14. Connect the fuel supply and return hoses.
15. Install the exhaust tube; refer to
(page 4–11).
16. Install the radiator and hydraulic fluid cooler; refer to
and Hydraulic Fluid Cooler (page
17. Ensure that all the wires, fuel lines, hydraulic hoses, and cables are clear of
moving parts and secured to their original locations.
18. Check the engine-oil level and adjust if necessary.
CAUTION
CAUTION
IMPORTANT
Removing and Installing the Exhaust System
4–15).
Page 4–22
Installing the Radiator
Groundsmaster ® 3200, 3300 and 3310
19240SL Rev A