Service Manual

Groundsmaster 4500−D/4700−D Page 3 − 13 Yanmar Diesel Engine
Removal (Fig. 5)
1. Park machine on a level surface, lower cutting
decks, stop engine, apply parking brake and remove
key from the ignition switch.
2. Raise and support hood.
3. Remove air cleaner components as needed using
Figure 5 as a guide.
Installation (Fig. 5)
IMPORTANT: Any leaks in the air filter system will
cause serious engine damage. Make sure that all air
cleaner components are in good condition and are
properly secured during assembly.
1. Assemble air cleaner components using Figure 5 as
a guide.
A. If service indicator (item 3 in Figure 5) was re-
moved from air cleaner housing, apply thread seal-
ant to adapter threads before installing adapter and
indicator to housing. Install adapter so that grooves
in adapter hex and adapter filter element are
installed toward service indicator (Fig. 7). Torque in-
dicator from 12 to 15 in−lb (1.4 to 1.6 N−m).
B. Orientate vacuator valve on air cleaner cover to-
ward ground.
C. Make sure that air cleaner outlet hose (item 17 or
18 in Figure 5) does not contact any engine or ma-
chine components. To modify clearance, move and/
or rotate air cleaner body in air cleaner strap. Verify
that tabs in strap mesh fully with slots in air cleaner
body.
2. Lower and secure hood.
Figure 6
1. Air cleaner housing
2. Safety filter element
3. Air filter element
4. Air cleaner cover
5. Vacuator valve
1
3
2
4
5
Figure 7
1. Air cleaner assembly
2. Service indicator
3. Adapter
4. Groove
5. Filter element
1
3
2
4
5
Yanmar
Diesel Engine