Service manual

Groundsmaster 3320 Page 3 − 11 Gasoline Engine
Removal (Fig. 10)
1. Park machine on a level surface, lower cutting deck
(or implement), stop engine, engage parking brake and
remove key from the ignition switch.
2. Open hood (see Traction Unit Operator’s Manual).
CAUTION
Do not open radiator cap or drain coolant if the
radiator or engine is hot. Pressurized, hot cool-
ant can escape and cause burns.
Ethylene−glycol antifreeze is poisonous. Dis-
pose of coolant properly, or store it in a properly
labeled container away from children and pets.
3. Drain coolant from radiator (see Traction Unit Opera-
tor’s Manual).
4. Remove screen from machine (see Traction Unit
Operator’s Manual).
CAUTION
Before opening hydraulic system, operate all
hydraulic controls to relieve system pressure
and avoid injury from pressurized hydraulic oil.
5. Disconnect hydraulic hoses from radiator. Position
hoses away from radiator.
6. Disconnect radiator hoses (upper and lower) from
the radiator.
7. Loosen hose clamp and remove overflow hose from
radiator fill opening.
8. Remove coolant reservoir from bracket on fan
shroud.
9. Remove four (4) cap screws, flat washers and lock
nuts that secure fan shroud to radiator. Position fan
shroud away from the radiator.
10.Support the radiator assembly before loosening
mounting fasteners.
11.Remove screws and flange nuts that secure radiator
to radiator support.
12.Carefully pull radiator assembly from the machine.
Locate and retrieve radiator shim (item 31). Plug radia-
tor and hose openings to prevent contamination.
Installation (Fig. 10)
1. Remove any plugs placed during the removal proce-
dure.
2. Carefully position radiator assembly to the radiator
support. Place radiator shim (item 31) between radiator
and support. Secure radiator with screws and flange
nuts.
3. Position fan shroud to the radiator. Secure fan
shroud to radiator with four (4) cap screws, flat washers
and lock nuts. Make sure that a minimum of .250” (6.4
mm) clearance exists at all points between shroud and
fan.
4. Apply hydraulic thread sealant to hydraulic hose fit-
ting threads. Connect hydraulic hoses to radiator.
5. Connect upper and lower radiator hoses.
6. Install coolant reservoir to bracket on fan shroud.
7. Connect overflow hose to radiator fill opening and
secure with hose clamp.
8. Make sure radiator drain plug is tight. Fill radiator
with coolant (see Traction Unit Operator’s Manual).
9. Install screen to machine (see Traction Unit Opera-
tor’s Manual).
10.Close hood (see Traction Unit Operator’s Manual).
Gasoline
Engine