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Groundsmaster 4100--D/4110--D Page 3 -- 15 Yanmar Diesel Engine
Removal (Fig. 11)
1. Park machine on a level surface, lower cutting deck,
stop engine, apply parking brake and remove key from
the ignition switch. Open and support h ood.
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.
2. Drain radiator into a suitable container either by us-
ing the draincock (item 35) near the lower left side corner
of the radiator or by removing the lower radiator hose
from the radiator.
IMPORTANT: Follow all local codes and regulations
when recycling or disposing engine coolant.
3. Disconnect radiator hoses from the radiator.
Groundsmaster 4110--D machines with a Tier 4 compli-
ant engine (model 30606) use the lower radiator hose
assemblyshowninFigure12.
4. Remove air cleaner inlet hose (item 25).
5. Read the General Precautions for Removing and
Installing Hydraulic System Components in the Service
and Repairs section of Chapter 4 -- Hydraulic System.
6. Thoroughly clean hydraulic lines at lower radiator
shroud (Fig. 13) and oil cooler ports (Fig. 14). Discon-
nect hydraulic lines andput capsor plugson linesto pre-
vent contamination. Label disconnected hydraulic lines
for proper installation.
7. Disconnect hood rods from hood and radiator sup-
ports (see Hood in the Service and Repairs section of
Chapter 7 -- Chassis).
8. Remove flange head screws (item 8) and flange nuts
(item 6) that secure the radiator supports (items 1 and
28) to the frame.
9. Carefully raise radiator assembly with shrouds, fan
motor assembly and supports from the machine.
10.Disassemble radiator/oil cooler assembly as needed
using Figures 11 and 13 as guides.
11.If necessary, remove hydraulic fittings (items 29 and
31) from oil cooler and d iscard O--rings.
12.Plug all radiator and hose openings to prevent con-
tamination.
Figure 12
1. Radiator/oil cooler
2. Lower radiator hose
3. Hose clamp
4. Radiator fitting
5. Hose clamp
6. Radiator hose
6
3
5
4
2
3
1
MODEL 30606 (WITH TIER 4 ENGINE)
FRONT
RIGHT
Figure 13
1. Radiator/oil cooler
2. Motor and fan assembly
3. Cap screw (6 used)
4. Flange nut (6 used)
5. Lower radiator shroud
FRONT
RIGHT
2
3
1
4
5
Yanmar
Diesel Engine