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Groundsmaster 4100--D/4110--D Page 3 -- 19 Yanmar Diesel Engine
Engine Removal (Fig. 15)
1. Park machine on a level surface, lower cutting deck,
stop engine, apply parking 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 (see Radiator and Oil Cooler Assemblyin this sec-
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-
haust bracket (item 13 in Fig. 15 or item 6 in Fig. 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 machine wire
harness.
B. The positive battery cable 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 fuel supply and return hoses from engine
(Fig. 17 or 18). Position fuel hoses away from engine.
10.Remove fasteners t hat s ecure 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 battery 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 30606 and 30608
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 30602 and 30604
Yanmar
Diesel Engine