Service Manual

Workman HDX Page 3 − 7 Kubota EFI Gasoline Engine
Check Air Filter, Dust Cup, & Burp Valve
The air cleaner body, air filter, dust cup, and burp valve
should be checked daily, prior to operation.
IMPORTANT: Any leaks in the air cleaner system
will cause serious engine damage. Make sure that
all air cleaner components are in good condition
and are properly secured during operation.
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch. Unlatch and raise hood.
2. Check air cleaner body for damage that could cause
possible air leaks. Make sure cover seals completely to
the air cleaner body (Fig. 5).
3. Check burp valve and dust cup for damage.
4. Make sure air hoses connecting the air cleaner to the
engine and radiator are secured tightly and free of pos-
sible air leaks.
Air Cleaner Removal
1. Park vehicle on a level surface and engage parking
brake. Stop the engine and remove key from ignition
switch. Allow engine to cool.
2. Raise or remove the bed or other attachment(s) if ne-
cessary. If bed is raised, place safety support on lift cylin-
der.
3. Remove air cleaner components as needed.
Air Cleaner Installation
1. Assemble air cleaner system (Fig. 4). Air cleaner in-
let hood should be positioned straight upward. The va-
cuator valve on the air cleaner assembly should be
positioned downward.
2. Lower or install bed or attachment(s).
1. Plug
2. Body
3. Primary filter element
4. Safety filter element
(if equipped)
5. Cover
6. Vacuator valve
7. Gasket (if equipped)
6
1
3
2
5
7
Figure 6
Kubuta EFI
Gasoline Engine