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Groundsmaster 4000--D/4010--D Page 3 -- 19 Yanmar Diesel Engine
Engine Removal (Fig. 15)
1. Park machine on a level surface, lower cutting
decks, stop engine, apply park ing brake and remove
key from the ignition switch.
2. Disconnect negative battery cable from battery ter-
minal and then disconnect positive cable from battery
(see Battery Service in the Service and Repairs section
of Chapter 5 -- Electrical System).
3. Raise and support hood.
CAUTION
Do not open radiator cap or drain coolant if the
radiator or engine is hot. Pressurized, hot cool-
ant can escape and cause b urns.
Ethylene--glycol antifreeze is poisonous. Dis -
pose of coolant properly or store it in a properly
labeled container away from children and pets.
4. Drain coolant from the radiator into a suitable con-
tainer(seeRadiatorandOil Cooler Assemblyinthissec-
tion). Disconnect upper and lower hoses from the
radiator.
5. Remove air cleaner assembly from engine (see Air
Cleaner System in this section).
6. Remove exhaust pipe (item 16 in Fig. 15) and ex-
haustbracket (item13 inFig. 15 oritem6 inFig. 20)from
engine.
7. Note location of cable ties used to secure wire har-
ness to the machine. Disconnect wires and/or electrical
connections from the following electrical components:
A. The engine wire harness from the m achine wire
harness.
B. The positive batterycable from the engine starter
motor (Fig. 16).
C. The fusible link harness from the main wire har-
ness (Fig. 16).
D. The negative battery cable at the engine block
(Fig. 16).
8. Carefully disconnect engine wire harness connector
from engine ECU.
9. Disconnect fuelsupply and return hosesfromengine
(Fig. 17 or 18). Position fuel hoses away from engine.
10.Remove fasteners that secure the coolant reservoir
tank mount to the radiator and radiator shrouds (Fig.
19). Position and support coolant reservoir with mount
away from the engine.
Figure 16
1. Positive b attery cable
2. Negative battery cable
3. Fusible link harness
2
3
1
Figure 17
1. Tier 4 engine
2. Hose clamp
3. Fuel supply hose
4. Hose clamp
5. Fuel return hose
6. Front lift bracket
2
3
1
4
5
MODELS 30607 and 30609
6
Figure 18
1. Tier 4i engine
2. Hose clamp
3. Fuel supply hose
4. Hose clamp
5. Fuel return hose
1
2
3
4
5
MODELS 30603 and 30605
Yanmar
Diesel Engine